Image reference-free quality evaluation method and system based on gradient profile

The invention discloses image reference-free quality evaluation method and system based on a gradient profile. The image reference-free quality evaluation system comprises a gradient profile extraction device, a blurring effect evaluation device, a ringing effect evaluation device and an integrated evaluation device, wherein the gradient profile extraction device is used for detecting input image edge points and extracting the gradient profile according to the edge points; the blurring effect evaluation device is used for measuring the blurring effect of images according to the gradient profile; the ringing effect evaluation device is used for measuring the ringing effect of the images according to the gradient profile; and the integrated evaluation device is used for fusing the blurring effect measurement and the ringing effect measurement to acquire a quality evaluation reference value of input images. Based on the invention, the quality evaluation can be carried out on various types ...

Method for preparing epothilones B and use thereof

The invention relates to a preparation method of epothilones B. In particularly, the invention provides a technique method to prepare epothilones B through adopting 100 to 500 liters fermentor to ferment and to separate epothilones B in large scale. The invention also relates to the preparation and application of epothilones B in preparation of gleevec resistance chronic myeloid leukemia treatment drug.

Connecting pad structure and mfg. method thereof

A connectino pad suitable for the semiconductor substrate with surficial dielectric layer is composed of a metallic top pad above the dielectric layer and several metallic supporters inlaid in said dielectric layer and formed on the bottom of said top pad. Its preparing process is also disclosed. Its advantages are high adhesion and low parasitic capacitance.

Frequency mixer with a filtering module for filtering off low-frequency component and reducing noise index

The invention provides a mixer which changes an input signal into an output signal through frequency reduction. The mixer comprises an amplification circuit and a frequency reduction circuit, wherein, the amplification circuit is used for amplifying the input signal to generate an amplified signal, and the frequency reduction circuit comprises a filter module, a load module and a frequency reduction module. The filter module is coupled with the amplification circuit for filtering low frequency components in the amplified signal; the load module is coupled with the amplification circuit and a preset voltage level and is used for providing DC bias voltage for the amplification circuit; the frequency reduction module is coupled with the filter module and the preset voltage level and is used for generating the output signal according to a local oscillation signal.

Lorentz electromagnetic kinetic energy converter

Relying on the Lorentz method for converting chemical energy to kinetic energy of subslance, mankind overcomes the earth gravitation and reaches the speed of 7.9km/s. This invention puts forward another method for converting electromagnetic energy to kinetic energy of substance, among which capacitor groups are charged in parallel and discharged in series to release the static field energy storedin the capacitor group transiently. The released static energy makes the armature sliding on a rigid parallel conductor in the way of Lorentz force to be forced on the direction of parallel rigid slideway, the force armature operates at high speed to turn the static field energy of the capacitor group to kinetic energy to realize the conversion effect higher than chemical energy.

Wafer structure

The wafer structure includes wafer body and protecting ring, the wafer body has several cutting channels to form integrated circuit area and the protecting ring is around the integrated circuit area.The conductive protecting ring is formed with one first conductive member and one second conductive member with different impedance and connected electrically.

Manufacture of high-density laminated metal capacitor element

The manufacture of high-density laminated metal capacitor includes the following steps: providing one semiconductor substrate with embedded first metal area exposing partially; forming the first dielectric layer on the semiconductor substrate; eliminating the first dielectric layer selectively to form the first opening to expose the first metal area and limit the range of the second metal area; filling the first opening with the second metal block to form the low electrode of the capacitor; forming the second dielectric layer on the lower electrode, eliminating the second dielectric layer selectively to form the second opening to expose the lower electrode; forming the third dielectric layer on the bottom and side wall of the second opening as the dielectric layer of the capacitor; and filling the second opening with the third metal block as the upper electrode of the capacitor.

Low noise amplifier with low noise and high gain

Inductance type structure for suppressing reduction of inductance Q value

The inductor structure capable of inhibiting Q value falling includes at least one protecting layer formed on one insulating layer with meso-layer window within it; one spiral main body on the protecting layer and filling the meso-layer window; and one covering layer on the spiral main body. Of them, the meso-layer window has area of 5x5 microns and low resistance, and the spiral main body has thickness of 6-26 microns and low serial resistance.

Novel use of 3, 4-dihydroxy-benzene formaldehyde and its derivatives in treating hypatitis B and virus infectious diseases

The present invention relates to the application of substituted derivative of protocatechuic aldehyde, ester derivative of protocatechuic aldehyde, acetal derivative of protocatechuic aldehyde, amide derivative of protocatechuic aldehyde, and Schiff base derivative of protocatechuic aldehyde in treating hepatitis B and other viral infectious diseases; and the said medicine compound or their composition may be used through combination with antiviral neucleoside analog medicine in treating hepatitis B and other viral infectious diseases.

火花塞

... 由等离子体点火器放电隙提供的介质气体的电弧，受磁力的调控可朝预设方向扩散，可控。附图中，S、N为磁体的南北极，i为荷电单元流动方向，比如电弧电流的方向，则电弧、电流受力的方向为f。此一原理我们用于对电弧的控制，而使内燃机的电点火源，由原始的不可控而成为本发明的特点。可精细调控使整个内燃机的燃烧状况彻底改观，而用于实践的多种燃料内燃机，清洁燃烧，省油都有前所未有的提高。对水油混合燃料发动机的点火，有其现实的意义。 ...

Dual-electrode spark plug with electromagnetic energy release

A spark plug used for high-power ignition with high released energy by thousand times or higher features its special electrode structure, which can use the electromagnetic push force to spray out plasma generated by spark, so it can be used for plasma ignitor.

Low noise amplifier using cascode structure to realize single end input to differential pair output

Frequency mixer with a filtering module for filtering off low-frequency component and reducing noise index

The invention provides a mixer which changes an input signal into an output signal through frequency reduction. The mixer comprises an amplification circuit and a frequency reduction circuit, wherein, the amplification circuit is used for amplifying the input signal to generate an amplified signal, and the frequency reduction circuit comprises a filter module, a load module and a frequency reduction module. The filter module is coupled with the amplification circuit for filtering low frequency components in the amplified signal; the load module is coupled with the amplification circuit and a preset voltage level and is used for providing DC bias voltage for the amplification circuit; the frequency reduction module is coupled with the filter module and the preset voltage level and is used for generating the output signal according to a local oscillation signal.

Connecting pad structure and mfg. method thereof

Charging pump circuit for low supply voltage

An electric-charging pump circuit with low voltage supply is to provide a bias voltage by another sub-electric-charging pump circuit in each stage of Dickson electric-charging pump circuit on the original transistor grid, and to add, a first transistor between the substrate and source electrode to eliminate the substrate effect as well as to add a second transistor between the original transistorgrid and drain electrodes to eliminate the problem of back-charging of the electric charge so that the electric-charging pump circuit can provide a higher positive or negative voltage by utilizing low voltage supply and can eliminate the problem of dickson electric-charging pump circuit simultaneously.

Linear biasing circuit with adaptability

Steam type internal combustion engine burning mixed water-oil fuel

The present invention uses vapor to replace natural nitrogen as reaction supporting vapor. After the cylinder is filled with the mixture of vapor and glucose as one carbohydrate, fuel oil is sprayed,the inflated ion device as one plasma igniter is initiated, and the mixture vapor under irradiation of ray produced by the ion generator is grafted and denatured before burning to apply work. The present invention makes water and glucose solution attend burning and makes the fuel of internal combustion engine independent from petroleum partially.

工业燃气添加剂以及使用该添加剂的工业燃气

... 本发明涉及一种工业燃气添加剂以及使用该添加剂制成的几种工业燃气。该种工业燃气剂添加剂由二茂铁、二烷基酚钡或烷基酚钡、异丙醇、苯等物质组成，上述二烷基酚钡或烷基酚钡、二茂铁溶解在异丙醇和苯的混合溶液中，搅拌均匀后经过滤去掉渣子，即成工业燃气的添加剂。将上述添加剂分别加入到不同的工业燃气中，能成为良好的工业燃气。优点是上业燃气添加剂的配比简单，该化学成份的原料易得，成本低。 ...

Method for preparing epothilones B

The invention relates to a preparation method of epothilones B. In particularly, the invention provides a technique method to prepare epothilones B through adopting 100 to 500 liters fermentor to ferment and to separate epothilones B in large scale. The invention also relates to the preparation and application of epothilones B in preparation of gleevec resistance chronic myeloid leukemia treatment drug.

Plasma igniter

A plasma ignitor with high power for the engine using fuel-water mixed vapour features use of capacitors group, which is charged in parallel connection mode and discharged in serial connection mode in order to generate high-power and high-density plasma jet, which can force the mixed vapour to burn. It can reduce the pollution caused by exhausted gas.

Inflated ion device as new-generation ignition plug for internal combustion engine

The electric arc of medium gas in spark gap of plasma ignitor is controlled by magnetic force to diffuse towards preset direction. By means of the control of electric arc based on the said principle,the electric ignition of internal combustion engine is made to become controllable, and this can improve the combustion state of internal combustion engine. Practice on several kinds of fuel in internal combustion engine shows that the said technology can make combustion clean and oil saving. The present invention is especially suitable for ignition of engine burning mixed water-oil fuel.

Application of epothilone B

The invention relates to application of epothilone B in preparing a medicament for treating Gleevec medicament resistant chronic myelogenous leukemia.

Composite briquettes

A composite briquette is made up of coal, cinder, coal gangue powder, plant ash and clay. Its advantages include easy ignition, strong firepower, long combustion time, low cost and low odour.

Electromagnetically propulsive gas jet engine

A gas jet engine with electromagnetic propulsion principle features that when gas is ignited, an electromagnetic propulsion is applied to it, so said two forces are superimposed. As a result, the jetengine is pushed by both the reactive force of gas jet force and the electromagnetic force of plasma as electromagnetic carrier. Its advantage is higher power for same consumption of fuel.

Medicinal preparation comprising Epothilone B

The medicinal preparation on the basis of the invention is composed of Epothilone B and the mixed solvent, wherein, the mixed solvent is composed of polyethylene glycol with the molecular weight of 200 to 600 daltons and ethanol according to the volume ratio of 1-3:1. The medicinal preparation with the above components not only ensures the safety of medicinal clinical application, but also solvesthe dissolubility of medicines well, thus ensuring that crystallization does not occur when storing and using medicines which can influence medicine absorption.

Electrically controlled nozzle for plasma ignition of gas fuel

A nozzle for electromagnetically propulsive forced combustion of plasma ignitor to provide high-pressure gas to gas-fuel cylinder is disclosed. Its features simple structure, long service life, largecross-section for flowing gas fuel, high response speed and high reliability. It is especially suitable for car.

Multi-order memory unit

The invention discloses a multiphase memory unit that includes a substrate, first suspended jointed grid electrode, second suspended jointed grid electrode and a controlled grid electrode. There are three regions in the substrate: first adulteration region, second adulteration region and channel region, which is located between said two adulteration regions. The first suspended jointed grid electrode is insulated and positioned on the channel region near the first adulteration region. The second suspended jointed grid electrode is insulated and positioned on the channel region near the secondadulteration region and the said first and second grid electrode are separated off. The control grid electrode is insulated and positioned above the first and second suspended jointed grid electrode.

Application of epothilone B

The invention relates to application of epothilone B in preparing a medicament for treating Gleevec medicament resistant chronic myelogenous leukemia.

Multi-order memory unit

Electromagnetic plasma propeller

An electromagnetic plasma propeller based on electromagnetic propulsion principle different from the gas propulsion principle features that the charged particles (plasma) are accelerated by electrostatic linear accelerator. Said charged particle is such obtained that the alkali metal and its salt (such as KCD3) is vaporized and electroionized under high temp of gas and the gas can generate strongplasma stream under high temp and pressure. Said plasma stream is accelerated by electromagnetic force.

应用于低供应电压的充电泵电路

... 一种应用于低供应电压充电泵电路，是在Dickson充电泵电路每一级中，在原有晶体管栅极上由另一子充电泵电路提供一偏压且在基底与源极间加入一个第一晶体管，以消除基底效应。亦在原有晶体管栅极与漏极间加入一个第二晶体管，以消除电荷回充问题。因此，此充电泵电路可利用低供应电压而提供一较高正向或负向电压，而同时消除Dickson充电泵电路中问题。 ...

Automobile clerestory window guide linkage apparatus

A guiding blocking and linkage device used in an auto skylight comprises at least a guiding rail, a stop part arranged on the guiding rail, and a swinging arm which can lift and slide in the guiding rail. A first chute is formed in the swinging arm; chutes symmetrically formed on both sides of the swinging arm, and the chutes are separated through a chute wall; a slide block is arranged in the guiding rail; the slide block comprises a baseplate; two supporting plates are arranged on the baseplate and bulges are formed on the corresponding side of the supporting plates; two bulges are clamped in two chutes; both sides of the baseplate of the slide block are slide feet; the chute comprises an arc-shaped warped segment, a horizontal close segment and an arc-shaped sinking segment in sequence; a first position limiter is arranged at the front end of the swinging arm; and a first opening Is formed on the guiding rail in the position corresponding to the first position limiter; a second position ...

Quick low voltage-current mode identification circuit for multi-stage flash memory

The fast low-voltage current-mode identifying circuit multi-order flash memory includes one current copying circuit to copy the current of the memory unit, and several reference current providing circuits connected to the current copying circuit to output different reference current to the current output end. The reference current is subtracted from the copied unit current and the difference is fed to a current comparator for feedback amplification before being fed to an encoder for encoding to obtain the data representing the current value of the selected memory unit and to reach the effectof fast reading multi-order flash memory.

RF amplifier circuit

A RF amplifier feature use of more asymmetric trapezoidal grid (ATG) MOSFETs. One of source and drain regions for each (ATG)MOSFET is shared with the adjacent (ATG)MOSFET. These (ATG)MOSFETs are parallelly connected for providing the needed drive current and lowering the drive capacitance.

Method for modularizing integrated circuit of DRAM unit

The present invention includes a method of integrated circuit in at least one unit of several deep channel dynamic random storage (DRAM) units, which includes the execution of a simulator as a designfor an integrated circuit of at least one unit in several deep channel dynamic random storage (DRAM0 unit, and further includes the use of the circuit simulator to calculate a set of output parameters of each DRAM unit, such as using a deep channel DRAM unit model as each DRAM unit.

Active mixer with self-adjustable bias feedback and linear bia circuit

Industrial gas additive and industrial gas using said additive

An additive for industrial gas is prepared through dissolving ferrocene and dialkyl or alkyl phenol barium in the mixture solution of isopropanol and benzene, stirring and filtering. It is suitable for different industrial gases. Its advantages are easily available raw materials and low cost.

Wafer structure

金属电容器的制造方法

The invention discloses a method of making metallic capacitor comprising, providing a semi-conductor substrate with a copper studded arrangement, then forming a sheet metal on the copper studded arrangement, and forming a metallic capacitor on the sheet metal, which includes an electrode layer composed of tantalum nitride layer or titanium nitride, forming an insulation side wall layer on the side wall of the metal capacitor. íí ...

Method and structure for contraction of transistor number distribution

A method and structure of the reduced transistor array layout, and is suitable for the double-carrier transistor integrating technique, and can uniform the disordering reactance in the transistor circle. This invention includes the following processes: pick up several units, and input the inputting information through the common inputting end; adopt multi-level branch to connect the common inputting end to single unit subassembly, there into the distance from the common inputting end to the unit subassembly is equidistance. This structure mainly includes: multi-units, composed of the first and the second units and receive inputting signal; and several wires embed the inputting signals multi-level branched into the unit subassembly, make the distance from the inputting signal to the unit as equidistance.

Image reference-free quality evaluation method and system based on gradient profile

The invention discloses image reference-free quality evaluation method and system based on a gradient profile. The image reference-free quality evaluation system comprises a gradient profile extraction device, a blurring effect evaluation device, a ringing effect evaluation device and an integrated evaluation device, wherein the gradient profile extraction device is used for detecting input imageedge points and extracting the gradient profile according to the edge points; the blurring effect evaluation device is used for measuring the blurring effect of images according to the gradient profile; the ringing effect evaluation device is used for measuring the ringing effect of the images according to the gradient profile; and the integrated evaluation device is used for fusing the blurring effect measurement and the ringing effect measurement to acquire a quality evaluation reference value of input images. Based on the invention, the quality evaluation can be carried out on various types of ...

Structure of silicon on insulating layer with substrate contact

A structure contains a substrate with silicon on the isolation layer. A silicon layer is on the isolation layer and a grid is formed on the silicon layer on which a source area and a drain area are formed at the side of the grid. A substrate contact is provided at the interface of the isolating layer and the silicon layer, among which the better substrate contact is located in the isolation layerbetween the source and the grid, so as to improve component performance of chips with silicon on the isolation layer by providing substrate contact between the isolation layer and the silicon layer to reduce the neck junction and substrate effects.

Medicinal preparation comprising Epothilone B

The medicinal preparation on the basis of the invention is composed of Epothilone B and the mixed solvent, wherein, the mixed solvent is composed of polyethylene glycol with the molecular weight of 200 to 600 daltons and ethanol according to the volume ratio of 1-3:1. The medicinal preparation with the above components not only ensures the safety of medicinal clinical application, but also solvesthe dissolubility of medicines well, thus ensuring that crystallization does not occur when storing and using medicines which can influence medicine absorption.

Medicament composition containing diclofenac sodium and acetaminophen

The invention provides a medicament composition containing diclofenac sodium and acetaminophen, comprising acetaminophen and diclofenac sodium as active components, and propanediol and polyethylene glycol as solvents, wherein the weight ratio of the acetaminophen to the diclofenac sodium is 1:0.1 to 1; 1 to 6 weight portions of propanediol are used for each weight portion of acetaminophen; and 1 to 5 weight portions of polyethylene glycol are used for each weight portion of acetaminophen. The composition can be used as an analgesic, and has good solubility and medicament stability.

Layered Screen Video Encoding

A computing device is described herein that is configured to encode natural video content in accordance with a first encoding scheme and screen content in accordance with a second encoding scheme. The computing device is configured to distinguish between the natural video content of a video frame and the screen content of the video frame based at least in part on temporal correlations between the video frame and one or more neighboring video frames and on content analysis of the video frame. 1. A computer-implemented method comprising:distinguishing between natural video content of a video frame and screen content of the video frame based at least in part on temporal correlations between the video frame and one or more neighboring video frames and on content analysis of the video frame; andencoding the natural video content in accordance with a first encoding scheme and the screen content in accordance with a second encoding scheme.2. The method of claim 1 , wherein the distinguishing comprises performing at least one of a block level analysis and an object level analysis.3. The method of claim 2 , wherein the block level analysis includes classifying each of a plurality of blocks constituting the video frame as an image block claim 2 , a skip block claim 2 , or a text block.4. The method of claim 3 , wherein the classifying includes classifying a block of the plurality of blocks as an image block or a text block based on one or more of pixel base-colors claim 3 , pixel gradients claim 3 , or block-boundary smoothness.5. The method of claim 3 , wherein the classifying includes classifying a block of the plurality of blocks as a skip block in response to determining differences between that block and a corresponding block of one of the neighboring video frames do not exceed a threshold.6. The method of claim 3 , wherein the block level analysis further comprises classifying each image block as a consistent image block or an inconsistent image block.7. The method of ...

Method based on Coding Tree Unit Level Rate-Distortion Optimization for Rate Control in Video Coding

A method based on CTU level rate-distortion optimization for rate control in video coding which can effectively improve the perceptual rate-distortion performance and coding efficiency is provided. Firstly, a perceptual rate-distortion model is established using a divisive normalization framework, which characterizes the relationship between local visual quality and coding bits. Subsequently, the established perceptual rate-distortion model is applied to overall distortion optimization which is transformed into a global optimization problem and solved with convex optimization algorithms to obtain optimal CTU level coding bit allocation. 3. An encoding method according to claim 2 , wherein the sub-block size claim 2 , N claim 2 , is set to be 16.4. (canceled)5. (canceled)8. (canceled)10. (canceled)11. An encoding method according to claim 1 , wherein the true distortion Dis obtained by:{'br': None, 'i': D', 'R', 'D', 'R', 'f, 'sup': '2', '′()=()/.'}12. An encoding method according to claim 1 , wherein the estimated distortion Dfor the j-th CTU of the current frame is obtained from the distortion of a co-located j-th CTU in the previously encoded frame. The present invention relates generally to rate control in video coding. Particularly, the present invention relates to coding tree unit level rate-distortion optimization for rate control in video coding.Recently, several studies have been conducted to improve rate control (RC) optimization in High Efficiency Video Coding (HEVC). There are three categories of RC algorithms for HEVC: quadratic model [1], ρ-domain model [2] and R-λ model. More specifically, Li et al. [3] first proposed the λ domain RC based on the relationship between coding bits and the Lagrange multiplier. Due to the low complexity and high efficiency, the R-λ model has been adopted in HEVC reference software as the default RC algorithm. Lee et al. investigated the Laplacian probability distribution function (PDF) in [4] to model the residue and ...

Method, device and computer readable medium for intrinsic popularity evaluation and content compression based thereon

The present application provides methods, devices and computer readable media for intrinsic popularity evaluation and content compression based thereon. In an embodiment, there is provided a method of intrinsic popularity evaluation. The method comprises: receiving an image from a social network; and determining an intrinsic popularity score for the image using a deep neural network (DNN) based intrinsic popularity assessment model.

IMAGE/VIDEO SUPER RESOLUTION

Embodiments of the present disclosure provide a solution for image/video super resolution. A method for image processing is proposed. The method comprises: receiving a first image with a first resolution and at least one reference image associated with the first image, the first image and the at least one reference image being associated with a same video; determining a difference between the first image and the at least one reference image; and generating a second image with a second resolution based on the difference, the first image and the at least one reference image, the second resolution being higher than the first resolution. 1. A method for image processing , comprising:receiving a first image with a first resolution and at least one reference image associated with the first image, the first image and the at least one reference image being associated with a same video;determining a difference between the first image and the at least one reference image; andgenerating a second image with a second resolution based on the difference, the first image and the at least one reference image, the second resolution being higher than the first resolution.2. The method of claim 1 , wherein the at least one reference image comprises an intermediate result generated during a compression of the first image.3. The method of claim 1 , wherein the difference is determined based on at least one temporarily derived sample value claim 1 , and wherein the temporarily derived sample value is derived based on a first sample value of the first image at a first location and a second sample value of the reference image at a second location.4. The method of claim 3 , wherein the first image comprises a first frame in the video claim 3 , the at least one reference image comprises a reference frame in the video claim 3 , and the second location is a corresponding sample location of the first location at the reference frame used to code the first image.5. The method of claim 3 , wherein ...

Adaptive robustness certification against adversarial examples

Adaptive verifiable training enables the creation of machine learning models robust with respect to multiple robustness criteria. In general, such training exploits inherent inter-class similarities within input data and enforces multiple robustness criteria based on this information. In particular, the approach exploits pairwise class similarity and improves the performance of a robust model by relaxing robustness constraints for similar classes and increasing robustness constraints for dissimilar classes. Between similar classes, looser robustness criteria (i.e., smaller ϵ) are enforced so as to minimize possible overlap when estimating the robustness region during verification. Between dissimilar classes, stricter robustness regions (i.e., larger ϵ) are enforced. If pairwise class relationships are not available initially, preferably they are generated by receiving a pre-trained classifier and then applying a clustering algorithm (e.g., agglomerative clustering) to generate them. Once pre-defined or computed pairwise relationships are available, several grouping methods are provided to create classifiers for multiple robustness criteria.

COUNTER-BASED INTRA PREDICTION MODE

A video processing method includes performing a conversion between a video including a video unit and a coded representation of the video, where, upon processing the video unit in the conversion, one or more frequence tables are selectively updated to include information about frequence of one or more intra prediction modes of the video unit used in the processing, where the frequence indicates an occurrence of the one or more intra prediction modes used for the conversion, and where, upon processing the video unit, one or more sorted intra prediction mode (IPM) tables are selectively updated to indicate the one or more intra prediction modes used in the processing. 1. A method of processing video data , comprising:maintaining, for a conversion between a video region comprising one or more video blocks and a bitstream of the video region, a frequency table,determining, for a current video block of the one or more video blocks, that a first intra prediction mode is applied to derive prediction samples of the current video block based on the frequency table, andperforming the conversion based on the frequency table,wherein the frequency table records frequencies of one or more intra prediction modes,wherein the one or more intra prediction modes comprises the first intra prediction mode,wherein the frequencies indicate occurrences of the one or more intra prediction modes applied for one or more video blocks processed before the current video block, andwherein the frequency table is updated based on the first intra prediction mode.2. The method of claim 1 , wherein the updated frequency table is used to derive an intra prediction mode for a video block subsequent to the current video block.3. The method of claim 1 , wherein the current video block comprises a luma coding block.4. The method of claim 1 , wherein the frequency table is associated with M entries claim 1 , wherein M is an integer number claim 1 , and wherein each entry is associated with a frequency of ...

INITIALIZATION FOR COUNTER-BASED INTRA PREDICTION MODE

A video processing method includes performing a conversion between a video comprising multiple video units and a coded representation of the video in which the multiple video units are processed in an order, where, when a video unit of the multiple video units is processed in the conversion, one or more frequence tables and/or one or more sorted intra prediction mode (IPM) tables are reset or initialized, where the one or more frequence tables include information about frequence of one or more intra prediction modes used for processing previous video units in the multiple video units, where the previous video units precede in time the video unit, where the frequence indicates an occurrence of the one or more intra prediction modes used for the conversion, and where the one or more sorted IPM tables indicate the one or more intra prediction modes used in the processing. 1. A method of video processing , comprising:maintaining, for a conversion between a video region comprising one or more video blocks and a bitstream of the video region, a frequency table,performing the conversion based on the frequency table,wherein an initialization process is invoked for the frequency table before processing a first video block in the video region, wherein (x%W1==0 && y%(H1>>1)==0), where W1 denotes a width of a video region comprising the first video block, H1 denotes a height of the video region and % denotes a module operation, or', 'wherein (x%W2==0 && y%H2==0), where W2 denotes a width of a video region comprising the first video block, H2 denotes a height of the video region and % denotes a module operation,, 'wherein a coordinate of a top-left sample of the first video block is (x, y),'} 'wherein the frequencies indicate occurrences of the one or more intra prediction modes.', 'wherein the one or more video blocks are processed in an order, and the frequency table includes information about frequencies of one or more intra prediction modes used for processing previous video ...

UPDATING FOR COUNTER-BASED INTRA PREDICTION MODE

A video processing method includes performing a conversion between a video including a video unit and a coded representation of the video, where, after the video unit is encoded or decoded with an intra prediction mode, one or more frequence tables and/or one or more sorted intra prediction mode (IPM) tables are selectively updated according to a rule, where the one or more frequence tables include information about frequence of the intra prediction mode used for processing the video unit in the conversion, where the frequence indicates an occurrence of the intra prediction mode used for the conversion, and where the one or more sorted IPM tables indicate the intra prediction mode used in the processing. 1. A method of processing video data , comprising:determining, for a conversion between a current video block of a video and a bitstream of the video, that a first prediction mode is applied to derive prediction samples of the current video block,maintaining, a frequency table recording frequencies associated with one or more intra prediction modes, andperforming the conversion based on the first prediction mode,wherein the frequencies indicate occurrences associated with the one or more intra prediction modes applied for one or more video blocks processed before the current video block,wherein in a case that the first prediction mode is an intra prediction mode of the one or more intra prediction modes, the frequency table is updated based on a first intra prediction mode, andwherein in a case that the first prediction mode is not an intra prediction mode, the frequency table is disallowed from being updated.2. The method of claim 1 , wherein in a case that the first prediction mode is a matrix-based intra prediction (MIP) mode claim 1 , an intra block copy (IBC) mode claim 1 , or a palette mode claim 1 , the frequency table is disallowed from being updated.3. The method of claim 1 , wherein in the case that the first prediction mode is the intra prediction mode of ...

LOW LATENCY BROADCASTING OF GAME ENGINE FRAMES

A system for low latency broadcast of animation frames includes a frame extractor stored in memory and executable to access frame data generated by a rendering pipeline of a frame generation engine. During runtime of the frame generation engine, the frame extractor exports the frame data for use external to the frame generation engine. 1. A system for low-latency communication of frame data comprising:a processor;memory;a frame extractor stored in memory and executable by the processor to access frame data generated by a rendering pipeline of a frame generation engine and to export the frame data for use external to the frame generation engine; anda broadcasting agent stored in the memory and executable by the processor to broadcast the frame data exported from the frame generation engine for viewing on a remote spectating device.2. The system of claim 1 , wherein the frame generation engine is a game engine.3. The system of claim 1 , wherein the frame generation engine is communicatively coupled to a graphics processing unit application programming interface (GPU API) via the rendering pipeline and the frame data is generated by the GPU API.4. The system of claim 2 , wherein the GPU API renders the frame data onto input of an encoder external to the frame generation engine without modifying the frame data.5. The system of claim 4 , wherein the broadcasting agent is executable to receive encoded frame data output from the encoder and to broadcast the encoded frame data to a spectating system for viewing on a remote spectating device.6. The system of claim 1 , wherein the frame extractor accesses the frame data by initializing a rendering context of the frame generation engine claim 1 , the rendering context of the frame generation engine associated with a pointer identifying a location of an object created by a GPU API and usable by the frame generation engine to render frames to a display.7. The system of claim 6 , wherein the frame extractor is further executable ...

Method based on coding tree unit level rate-distortion optimization for rate control in video coding

A method based on CTU level rate-distortion optimization for rate control in video coding which can effectively improve the perceptual rate-distortion performance and coding efficiency is provided. Firstly, a perceptual rate-distortion model is established using a divisive normalization framework, which characterizes the relationship between local visual quality and coding bits. Subsequently, the established perceptual rate-distortion model is applied to overall distortion optimization which is transformed into a global optimization problem and solved with convex optimization algorithms to obtain optimal CTU level coding bit allocation.

Unified Neural Network Filter Model

A method implemented by a video coding apparatus. The method includes applying a first filter to an unfiltered sample of a video unit to generate a filtered sample. The first filter is a neural network (NN) filter based on a non-deep learning-based filter (NDLF) being disabled, and the first filter is the NDLF based on the NN filter being disabled. The method also includes performing a conversion between a video media file and a bitstream based on the filtered sample that was generated.

Unified neural network in-loop filter signaling

A method implemented by a video coding apparatus includes applying a neural network (NN) filter to an unfiltered sample of a video unit to generate a filtered sample. The NN filter is applied based on a syntax element of the video unit. The method also includes converting between a video media file and a bitstream based on the filtered sample that was generated.

Afterburner structure with self-excited sweeping oscillating fuel injection nozzles

The present disclosure relates to an afterburner structure with fuel injection nozzles. In the condition of a stable inlet flow, the present disclosure forms a sweeping oscillating jet with a certain frequency at the outlet under an alternate feedback action of a feedback channel and the fluid's Coanda effect, so that the spatial uniformity of the fuel injection is improved; Therefore, without increasing the structural complexity of current afterburner of the turbo-engine and the combustion chamber of the subsonic combustion ramjet, the atomization performance and the uniformity of the oil-gas mixture in the afterburner/combustion chamber of the ramjet can be greatly improved, the combustion efficiency and combustion instability of the engine can be improved and meanwhile the length of the afterburner and the combustion chamber of the subsonic combustion ramjet is shortened.

Afterburner structure with self-excited sweeping oscillating fuel injection nozzles

The present disclosure provides an afterburner structure with fuel injection nozzles. In the condition of a stable inlet flow, the present disclosure forms a sweeping oscillating jet with a certain frequency at the outlet under an alternate feedback action of a feedback channel and the fluid's Coanda effect, so that the spatial uniformity of the fuel injection is improved; Therefore, without increasing the structural complexity of current afterburner of the turbo-engine and the combustion chamber of the subsonic combustion ramjet, the atomization performance and the uniformity of the oil-gas mixture in the afterburner/combustion chamber of the ramjet can be greatly improved, the combustion efficiency and combustion instability of the engine can be improved and meanwhile the length of the afterburner and the combustion chamber of the subsonic combustion ramjet is shortened.

Methods and systems for temporal resampling for multi-task machine vision

A method for temporal resampling for multi-task machine vision is provided. The method includes receiving a bitstream of a video sequence after temporal resampling; and constructing a target frame from the bitstream using a frame construction model.

Initialization for counter-based intra prediction mode

A video processing method includes performing a conversion between a video comprising multiple video units and a coded representation of the video in which the multiple video units are processed in an order, where, when a video unit of the multiple video units is processed in the conversion, one or more frequence tables and/or one or more sorted intra prediction mode (IPM) tables are reset or initialized, where the one or more frequence tables include information about frequence of one or more intra prediction modes used for processing previous video units in the multiple video units, where the previous video units precede in time the video unit, where the frequence indicates an occurrence of the one or more intra prediction modes used for the conversion, and where the one or more sorted IPM tables indicate the one or more intra prediction modes used in the processing.

End-to-end optimization of adaptive spatial resampling towards machine vision

A computer-implemented method for training spatial resampling modules includes: down-sampling, by a down-sampling module, an input image data to generate a down-sampled image data; up-sampling, by an up-sampling module, the down-sampled image data to generate a first up-sampled image data; analyzing, by a plurality of analysis models corresponding to a plurality of tasks, the first up-sampled image data; and training the down-sampling module based on a loss function associated with the plurality of analysis models according to the input image data and the first up-sampled image data.

Methods and non-transitory computer readable storage medium for pre-analysis based resampling compression for machine vision

An image data encoding method is provided. The image data encoding method includes receiving an input image and a quantization parameter (QP); performing pre-analysis of the input image based on the QP to obtain input image data for machine version; determining at least one of a temporal redundancy or a spatial redundancy of the input image data; determining, based on the at least one of temporal redundancy or spatial redundancy, whether to perform at least one of temporal down-sampling or spatial down-sampling; performing down-sampling of the input image data according to the determination, wherein the down-sampling includes at least one of temporal down-sampling or spatial down-sampling; and encoding the down-sampled image data based on the QP.

End-to-end optimization of adaptive spatial resampling towards machine vision

A computer-implemented method for training spatial resampling modules includes: down-sampling, by a down-sampling module, an input image data to generate a down-sampled image data; up-sampling, by an up-sampling module, the down-sampled image data to generate a first up-sampled image data; analyzing, by a plurality of analysis models corresponding to a plurality of tasks, the first up-sampled image data; and training the down-sampling module based on a loss function associated with the plurality of analysis models according to the input image data and the first up-sampled image data.

Pre-analysis based image compression methods

The present disclosure provides pre-analysis based methods for adaptively compressing image data consumed by machine vision tasks. An exemplary method includes: receiving a video sequence; encoding one or more input pictures associated with the video sequence; and generating a bitstream, wherein the encoding includes: performing instance segmentation of an input picture, to generate one or more segment masks; combining the one or more segment masks to generate a merged mask; extracting, from the input picture, a region comprising the merged mask; and compressing image data representing the extracted region.

Pre-analysis based image compression methods

The present disclosure provides pre-analysis based methods for adaptively compressing image data consumed by machine vision tasks. An exemplary method includes: receiving a video sequence; encoding one or more input pictures associated with the video sequence; and generating a bitstream, wherein the encoding includes: performing instance segmentation of an input picture, to generate one or more segment masks; combining the one or more segment masks to generate a merged mask; extracting, from the input picture, a region comprising the merged mask; and compressing image data representing the extracted region.

Keypoints based video compression

Methods and apparatuses are provided for compressing video data based on keypoint features. An exemplary video compression method includes: receiving a video sequence; encoding one or more pictures of the video sequence; and generating a bitstream; wherein the encoding includes: representing a first picture by a first set of keypoints and a second set of keypoints, the second set comprising less keypoints than the first set; and compressing the video sequence based on the first set and second set of keypoints.

Image synthesis method and system

The present disclosure provides methods and apparatuses for performing image synthesis. An exemplary image synthesis method includes: acquiring a first image and a second image an image quality of the first image being higher than an image quality of the second image; obtaining a compressed image by compressing the first image; and synthesizing at least a part of the compressed image with at least a part of the second image.

Keypoints based video compression

Methods and apparatuses are provided for compressing video data based on keypoint features. An exemplary video compression method includes: receiving a video sequence; encoding one or more pictures of the video sequence; and generating a bitstream; wherein the encoding includes: representing a first picture by a first set of keypoints and a second set of keypoints, the second set comprising less keypoints than the first set; and compressing the video sequence based on the first set and second set of keypoints.

Methods and systems for temporal resampling for multi-task machine vision

A method for temporal resampling for multi-task machine vision is provided. The method includes receiving a bitstream of a video sequence after temporal resampling; and constructing a target frame from the bitstream using a frame construction model.

Method and apparatus for talking face video compression

Methods and apparatuses are provided for processing video data. An exemplary method includes: decompressing a compressed frame to generate a key frame representing a face; generating, for the key frame, a first set of parameters associated with a 3-dimensional (3D) face representation of the face; reconstructing, for each of one or more inter frames, a second set of parameters associated with a 3D face representation of the face according to compressed inter-predicted residuals of the second set of parameters; and generating a video comprising the face based on the key frame, the first set of parameters, and the second set of parameters.

System and method for processing a stream of images

A method for processing a stream of images including the steps of obtaining coding information from the stream of images to determine one or more bitrate/distortion models representative of the bitrate/distortion relationship of the stream of images, determining a set of coding parameters arranged for use to encode a stream of images with the one or more bitrate/distortion models, reformulating the bitrate/distortion relationship into a decoupled relationship arranged to be applied to a subset of the stream of images, and using the decoupled relationship and the set of coding parameters to generate an adaptive quantization parameter for encoding the stream of images with the bitrate/distortion relationship.

Processing and encoding screen content video

A method for processing a screen content video. The screen content video includes a plurality of frames each including a plurality of coding tree units and a plurality of coding units in each of the coding tree units. The method includes performing a coding-tree-unit-based analysis operation on the screen content video to determine content information associated with the screen content video, and performing a rate control operation on the screen content video based on the determined content information to encoding of the screen content video. The content information includes content complexity information associated with the screen content video and temporal importance information associated with the screen content video.

Method and apparatus for talking face video compression

Methods and apparatuses are provided for processing video data. An exemplary method includes: decompressing a compressed frame to generate a key frame representing a face; generating, for the key frame, a first set of parameters associated with a 3-dimensional (3D) face representation of the face; reconstructing, for each of one or more inter frames, a second set of parameters associated with a 3D face representation of the face according to compressed inter-predicted residuals of the second set of parameters; and generating a video comprising the face based on the key frame, the first set of parameters, and the second set of parameters.

Methods and non-transitory computer readable storage medium for pre-analysis based resampling compression for machine vision

An image data encoding method is provided. The image data encoding method includes receiving an input image and a quantization parameter (QP); performing pre-analysis of the input image based on the QP to obtain input image data for machine version; determining at least one of a temporal redundancy or a spatial redundancy of the input image data; determining, based on the at least one of temporal redundancy or spatial redundancy, whether to perform at least one of temporal down-sampling or spatial down-sampling; performing down-sampling of the input image data according to the determination, wherein the down-sampling includes at least one of temporal down-sampling or spatial down-sampling; and encoding the down-sampled image data based on the QP.

End-to-end optimization of adaptive spatial resampling towards machine vision

In one aspect of the present invention, a computer-implemented method for training spatial resampling modules includes: down-sampling, by a down-sampling module, an input image data to generate a down-sampled image data; up-sampling, by an up-sampling module, the down-sampled image data to generate a first up-sampled image data; analyzing, by a plurality of analysis models corresponding to a plurality of tasks, the first up-sampled image data; and training the down-sampling module based on a loss function associated with the plurality of analysis models according to the input image data and the first up-sampled image data. A computer-implemented method for spatial resampling is also disclosed. The method comprises selecting a resampling factor based on an area of object regions calculated according to instance segmentation to an image and down-sampling the image based on the selected resampling factor to generate a down-sampled image data.

System and methods for integrating microservice registry with service mesh

This is a method and a system for integrating a cloud service engine framework with an open source service mesh (e.g. ISTIO) to bridge communication barriers between the two systems. The disclosure may enable users to adopt iterative cloud modernization model by embracing hybrid microservice architecture. Adoption of a multi-cloud architecture may also help to cut expenses due to small resources footprint of proxy less feature.

Reinforcement-learning-based network transmission of compressed genome sequence

A framework that comprises a reinforcement-learning-based neural-network for compressing, and for transmitting the compressed genomes over a data network in repeated steps each of a plurality of species. The framework also takes data on inefficient transmission of compressed genome in the preceding step, and feeds this data forward to modify the selection of the compression parameter in the present step. The invention provides the possibility that the genome of any species may be compressed optimally and transmitted in optimal efficiency. That is, big genome sequence is neither over compressed, which takes a lot of processing time leading to delays, nor under compressed which will require more time to transmit.

Method and apparatuses for using face video generative compression sei message

A method of decoding a bitstream to output one or more pictures for a video stream, includes: receiving a bitstream; and decoding, using coded information of the bitstream, one or more pictures. The decoding includes: determining, based on an identifying number, whether a face video generative compression scheme is used; in response to a determination that the face video generative compression scheme is used, decoding a supplemental enhancement information (SEI) message, the SEI message comprising facial information; and reconstructing a face picture based on the facial information and a base picture associated with the SEI message.

Method and apparatuses for using face video generative compression sei message

A method of decoding a bitstream to output one or more pictures for a video stream, includes: receiving a bitstream; and decoding, using coded information of the bitstream, one or more pictures. The decoding includes: determining, based on an identifying number, whether a face video generative compression scheme is used; in response to a determination that the face video generative compression scheme is used, decoding a supplemental enhancement information (SEI) message, the SEI message comprising facial information; and reconstructing a face picture based on the facial information and a base picture associated with the SEI message.

Method and apparatus for temporal resampling

Methods and apparatuses are provided for encoding and decoding video data based on a supplemental enhancement information (SEI) message. An exemplary method includes: generating a reconstrued frame sequence based on a compressed video; decoding a supplemental enhancement information (SEI) message with respect to the reconstrued frame sequence, according to the compressed video; and performing temporal upsampling to the reconstrued frame sequence based on the SEI message by using a neural network.

Method and apparatus for temporal resampling

Methods and apparatuses are provided for encoding and decoding video data based on a supplemental enhancement information (SEI) message. An exemplary method includes: generating a reconstrued frame sequence based on a compressed video; decoding a supplemental enhancement information (SEI) message with respect to the reconstrued frame sequence, according to the compressed video; and performing temporal upsampling to the reconstrued frame sequence based on the SEI message by using a neural network.

System and method for facilitating machine-learning based media compression

A computer-implemented method for facilitating machine-learning based media (e.g., video) compression. The method includes receiving a motion data set associated with motion-related difference between a first image and a second image, and processing the motion data set using a neural network to determine a plurality of motion data subsets. The method also includes processing the plurality of motion data subsets using one or more features associated with the first image to obtain a plurality of motion-warped feature data sets each associated with a respective motion data subset; and processing the plurality of motion-warped feature data sets to facilitate generation of context data for facilitating conditional coding based compression of the second image.

Scalable Cross-Modality Image Compression

A computer-implemented method for scalable compression of a digital image. The method contains the steps of extracting from the image semantic information at a semantic layer, extracting from the image structure information at a structure layer, extracting from the image signal information at a signal layer; and compressing each one of the semantic information, the structure information, and the signal information into a bitstream. A novel scalable cross-modality image compression is therefore provided where a wide spectrum of novel functionalities have been enabled, making the codec versatile for applications ranging from semantic understanding to signal-level reconstruction.

A system and method for assessing the quality of a high-dynamic range (hdr) image

A system and a method for assessing quality of a high-dynamic range (HDR) image. The system comprises a feature extraction module arranged to extract a plurality of frequency features on a pair of reference image and a distorted image generated based on the reference image; a comparison module arranged to compare a pair of feature maps obtained by processing the extracted frequency features on both the reference image and the distorted image; and a scoring module arrange to output an image quality assessment (IQA) score of the distorted image with reference to the reference image provided; wherein the plurality of frequency features are associated with sensitive information in a human visual system (HVS).

Feature fusion for input picture data preprocessing for learning model

Methods and systems implement input picture data preprocessing for a learning model by picture data blurring based on deep features. Intermediate features are extracted from convolutional layers of a preprocessing model, and each set of intermediate features are fused to yield a fused feature map, and enlarged to input picture size. Based on the fused feature map, the preprocessing model can configure one or more processors of an input preprocessing computing system to, in performing blurring preprocessing computations, emphasize picture data having larger corresponding characteristic values, and deemphasize other picture data.

Method and apparatus for face video compression

A method of encoding a video sequence into a bitstream includes receiving a video sequence; encoding one or more pictures of the video sequence; and generating a bitstream. The encoding includes compressing a reference picture; transforming, based on the reference picture, a plurality of inter pictures associated with the reference picture into facial semantics; and encoding the facial semantics.

Method and apparatus for face video compression

A method of encoding a video sequence into a bitstream includes receiving a video sequence; encoding one or more pictures of the video sequence; and generating a bitstream. The encoding includes compressing a reference picture; transforming, based on the reference picture, a plurality of inter pictures associated with the reference picture into facial semantics; and encoding the facial semantics.

Feature fusion for input picture data preprocessing for learning model

Methods and systems implement input picture data preprocessing for a learning model by picture data blurring based on deep features. Intermediate features are extracted from convolutional layers of a preprocessing model, and each set of intermediate features are fused to yield a fused feature map, and enlarged to input picture size. Based on the fused feature map, the preprocessing model can configure one or more processors of an input preprocessing computing system to, in performing blurring preprocessing computations, emphasize picture data having larger corresponding characteristic values, and deemphasize other picture data.

一种除尘布袋安装快速检查装置

本实用新型涉及一种除尘布袋安装快速检查装置，包括平衡圆盘、锥形探头、刻度盘、水准仪和手柄；所述的锥形探头的上端部固定连接所述的平衡圆盘的上部内侧，锥形探头的上部设置在平衡圆盘的内部，锥形探头的下部设置在平衡圆盘的底部外侧；所述的刻度盘设置在所述的锥形探头的中部，刻度盘位于锥形探头与平衡圆盘的底部连接部位；所述的水准仪设置在所述的平衡圆盘的顶部中心；所述的手柄固定设置在所述的平衡圆盘的顶部端面上；所述的平衡圆盘呈内部中空的圆柱状，平衡圆盘为透明玻璃材质；所述的锥形探头的上端面的外径与平衡圆盘的内径相同。本实用新型能够用于除尘布袋安装的快速检查，结构简单合理，使用方便，检查速度快，结果准确。

Unified Neural Network In-Loop Filter Signaling

A method implemented by a video coding apparatus includes applying a neural network (NN) filter to an unfiltered sample of a video unit to generate a filtered sample. The NN filter is applied based on a syntax element of the video unit. The method also includes converting between a video media file and a bitstream based on the filtered sample that was generated.

Acoustic-Based Face Anti-Spoofing System and Method

Two-dimensional face presentation attacks are one of most notorious and pervasive face spoofing types, causing security issues to facial authentication systems. To tackle these issues, a cost-effective face anti-spoofing (FAS) system based on acoustic modality, named as Echo-FAS, is devised, which employs a crafted acoustic signal to probe the presented face. First, a large-scale, high-diversity, acoustic-based FAS database, named as Echo-Spoof, is built. Based upon Echo-Spoof, we design a two-branch framework combining global and local frequency features of the presented face to distinguish live vs. spoofing faces. Echo-FAS has the following merits: (1) it only needs one speaker and one microphone; (2) it can capture three-dimensional geometrical information of the presented face and achieve a remarkable FAS performance; and (3) it can be handily allied with RGB-based FAS models to mitigate the overfitting problem in the RGB modality and make the FAS model more accurate and robust.

System and a method for processing an image

A system and a method for processing an image. The system comprises an image gateway arranged to receive an input image showing a scene composed by a combination of a plurality of image portions of the input image, wherein one or more of the plurality of image portions is associated with an exposure level deviated from an optimal exposure level; and an enhancement engine arranged to process the input image by applying an exposure/image relationship to the input image, wherein the exposure/image relationship is arranged to adjust the exposure level of each of the plurality of image portions towards the optimal exposure level; and to generate an enhanced image showing a visual representation of the scene composed by a combination of the plurality of image portions of the input image with an adjusted exposure level.

Computer-implemented method and system for video coding

A computer-implemented method for processing a video includes: (a) determining, based on one or more rate-distortion models and number of bits for a frame of the video, coding parameters for processing the frame, the coding parameters comprising a rescale parameter r and a video compression model λ, and (b) processing the frame based on the rescale parameter r and the video compression model λ determined in (a) to form at least part of a bitstream of the video.

Sei message for generative face video

Methods and apparatuses are provided for processing video data by using generative face video supplemental enhancement information (SEI) messages. An exemplary method for generating a face picture includes: receiving a bitstream; decoding coded information of the bitstream to obtain a base picture and a supplemental enhancement information (SEI) message; determining whether the SEI message applies to a neural network for generating a face picture; in response to the SEI message applies to the neural network for generating the face picture, determining a mode and a corresponding face information parameter used to code the face picture based on the SEI message; and generating the face picture based on the base picture and the face information parameter by the neural network.

Central staged combustion chamber with self-excited sweeping oscillating fuel injection nozzles

The present disclosure provides a central staged combustion chamber with self-excited sweeping oscillating fuel injection nozzles, including an outer housing with a cavity inside, a main stage coaxially disposed with the outer housing, and a pilot stage coaxially disposed with the outer housing. An annular fuel passage is used for connecting a plurality of self-excited sweeping oscillating fuel injection nozzles, and the self-excited sweeping oscillating fuel injection nozzles are suitable for injecting oscillating liquid fuel into a primary swirling passage. The fuel is output in a fan shape through each of the self-excited sweeping oscillating fuel injection nozzles and is dispersed by an incoming flow through the swirling passage, so that the atomization performance and spatial distribution uniformity of the fuel can be greatly improved.

Sei message for generative face video

Methods and apparatuses are provided for processing video data by using generative face video supplemental enhancement information (SEI) messages. An exemplary method for generating a face picture includes: receiving a bitstream; decoding coded information of the bitstream to obtain a base picture and a supplemental enhancement information (SEI) message; determining whether the SEI message applies to a neural network for generating a face picture; in response to the SEI message applies to the neural network for generating the face picture, determining a mode and a corresponding face information parameter used to code the face picture based on the SEI message; and generating the face picture based on the base picture and the face information parameter by the neural network.

Image/video super resolution

Embodiments of the present disclosure provide a solution for image/video super resolution. A method for image processing is proposed. The method comprises: receiving a first image with a first resolution and at least one reference image associated with the first image, the first image and the at least one reference image being associated with a same video; determining a difference between the first image and the at least one reference image; and generating a second image with a second resolution based on the difference, the first image and the at least one reference image, the second resolution being higher than the first resolution.

System and a method for processing an image

A system and a method for processing an image. The system comprises an image gateway arranged to receive an input image showing a scene composed by a combination of a plurality of image portions of the input image, wherein one or more of the plurality of image portions is associated with an exposure level deviated from an optimal exposure level; and an enhancement engine arranged to process the input image by applying an exposure/image relationship to the input image, wherein the exposure/image relationship is arranged to adjust the exposure level of each of the plurality of image portions towards the optimal exposure level; and to generate an enhanced image showing a visual representation of the scene composed by a combination of the plurality of image portions of the input image with an adjusted exposure level.

Methods and apparatus for detection-based object search using edge computing

A method for performing detection-based object searches includes receiving a user request indicating a region of interest, a timeframe of interest, or an object of interest. A signal is sent to cause execution of a query to identify object detections based on the user request. A signal representing at least one event identified in response to the query is received. For each event from the at least one event, a thumbnail image is identified based on the user request and using a ranking algorithm. A video frame identified based on the thumbnail image is received, and a video segment associated with the video frame is retrieved, A preview image clip that includes the video frame and the video segment is generated and displayed to a user associated with the user request.

Method and systems for genome sequence compression

Systems and methods for genome sequence compression and decompression are provided. The method for compression encoding of a genome sequence includes partitioning a genome sequence into a plurality of Group of Bases (GoBs) and processing each of the plurality of GoBs independently to encode the genome sequence into a bit stream. Processing each of the plurality of GoBs includes dividing each of the plurality of GOBs into a first part and a second part, the first part including an initial context part and the second part including a learning-based inference part. The processing each of the plurality of GoBs further includes encoding the first part in accordance with a Markov model, encoding the second part in accordance with a learning-based model, and encoding the encoded first part and the encoded second part into the bit stream with an arithmetic encoder. The learning-based model may include Long and Short-Term Memory (LSTM)-based neural networks.