牙刷（熊836）

牙刷（青蛙834）

FORWARD COLLISION CONTROL METHOD AND APPARATUS, ELECTRONIC DEVICE, PROGRAM AND MEDIUM

A forward collision control method, comprising: on the basis of a neural network, detecting a suspected collision object in the forward direction of a road on which a current traveling object is located; predicting a collision time between the current traveling object and the suspected collision object; and performing forward collision control on the current traveling object according to the collision time, the forward collision control comprising forward collision warning and/or driving control. The described method improves the accuracy and precision of a detection result for a target object, improves the accuracy of collision warning, and is beneficial in reducing road traffic accidents. Also provided are a forward collision control apparatus, an electronic device, a computer readable storage medium, and a computer program.

ACCESS CONTROL METHOD, APPARATUS AND SYSTEM, AND ELECTRONIC DEVICE, PROGRAM AND MEDIUM

An access control method, apparatus and system, and an electronic device, a program and a medium. The method comprises: a camera collecting video data so as to acquire the video data (102); the camera performing face image detection on the video data (104); the camera authenticating, in response to a detected face image, the face image (106); and the camera determining whether authentication is passed according to extracted feature data, and outputting a corresponding access control signal (108), so that an access control linkage apparatus opens or closes a door. By means of the access control method, apparatus and system, the convenience of a user when passing through access control and data security are improved.

METHOD AND APPARATUS FOR DETERMINING FACIAL IMAGE QUALITY, AS WELL AS ELECTRONIC DEVICE AND COMPUTER STORAGE MEDIUM

Disclosed in an embodiment of the present application are a method and apparatus for determining facial image quality, as well as an electronic device and a computer storage medium. The method comprises: acquiring posture angle information and size information of a face in an image; on the basis of the posture angle information and the size information of the face, acquiring quality information of the face in the image.

METHOD, SYSTEM, PHOTOGRAPHING DEVICE, AND COMPUTER STORAGE MEDIUM FOR FACIAL IMAGE SEARCH

A method, a system, a photographing device, and a computer storage medium for facial image search are provided. The method comprises: obtaining facial search information corresponding to a search image by means of a convolutional neural network (104), the convolutional neural network configuring corresponding convolutional calculation configuration information by means of a processor, wherein the convolutional neural network comprises at least one convolutional layer, and the convolutional calculation configuration information comprises a data width value corresponding to each convolutional layer in the convolutional neural network, and the search image comprising at least one facial region; searching for matching preset facial image information in a database on the basis of the facial search information (105), the database storing at least one preset facial image information item; and outputting the preset facial image information matching the facial information to be searched (106). The ...

COLLISION CONTROL METHOD AND APPARATUS, AND ELECTRONIC DEVICE AND STORAGE MEDIUM

The present invention relates to a collision control method and apparatus, and an electronic device and a storage medium. The method comprises: detecting a target object in an image captured by a moving object; determining a forward collision dangerous region of the moving object; and executing collision control of the moving object according to the relative relation between the moving object and the forward collision dangerous region, the collision control comprising collision early warning and/or driving control.

Control system for automatically blocking converter gas leakage

The invention discloses a control system for automatically blocking converter gas leakage, belongs to the technical field of steelmaking metallurgical equipment, and solves the technical problem that an existing gas recovery system does not have an automatic control blocking function. The system comprises a controller and a recovery pipe, the recovery pipe is provided with a primary dust removal fan, and the recovery pipe at the inlet end of the primary dust removal fan is provided with an inlet control valve; a three-way switching valve, a water seal check valve and an outlet control valve are sequentially arranged on the recovery pipe at the outlet end of the primary dust removal fan, a diffusion pipe connected with a diffusion chimney is arranged at one end of the three-way switching valve, a bypass pipe connected with the diffusion pipe is arranged on the recovery pipe between the primary dust removal fan and the three-way switching valve, and an emergency diffusion valve is arranged ...

Network security vulnerability analysis system based on feature analysis

The invention provides a network security vulnerability analysis system based on feature analysis, and relates to the technical field of network security. The system comprises a vulnerability collection unit, an analysis unit, a vulnerability report generation unit, a vulnerability dictionary and a vulnerability knowledge base. The vulnerability acquisition unit is used for acquiring specific single vulnerability information, dividing acquired vulnerability data into an object and a vulnerability unary array, and performing type identification on the unary array based on a vulnerability dictionary; the analysis unit is used for matching corresponding risk description for each vulnerability according to different type identifiers based on the vulnerability template library; and the vulnerability report generation unit is used for performing object analysis and aggregation on the vulnerability objects of the same type by utilizing a word aggregation analysis technology, and integrating the ...

VEHICLE, VEHICLE DOOR UNLOCKING CONTROL METHOD AND APPARATUS, AND VEHICLE DOOR UNLOCKING SYSTEM

A vehicle (10), a vehicle door unlocking control method and apparatus (11, 200), and a vehicle door unlocking system (40). The vehicle door unlocking control method comprises: S101: acquiring a collection trigger signal; S102: controlling, on the basis of the collection trigger signal, a first camera component (12) arranged on the vehicle (10) so same collects a first facial image of a user; S103: carrying out feature matching between the first facial image and a pre-stored second facial image; S104: carrying out living body detection on the first facial image; and S105: in response to successful feature matching and successful living body detection, sending a vehicle door unlocking instruction to at least one vehicle door lock (41) of the vehicle (10). The vehicle door unlocking control method can realize the opening of a vehicle door on the basis of a human face, and the solution is secure, convenient and reliable.

DISTANCE MEASUREMENT METHOD, INTELLIGENT CONTROL METHOD AND APPARATUS, ELECTRONIC DEVICE AND STORAGE MEDIUM

The present disclosure relates to a distance measurement method, an intelligent control method and apparatus, an electronic device, and a storage medium. Said method comprises: acquiring a detection frame of a target object in an image captured by a current object; determining at least one distance measurement point according to the shape of the detection frame; and determining a distance between the target object and the current object on the basis of the distance measurement point.

COLLISION CONTROL METHOD AND APPARATUS, AND ELECTRONIC DEVICE AND STORAGE MEDIUM

A collision control method. The method comprises: detecting a target object in an image captured by a current object; determining the danger level of the target object; performing collision control corresponding to the danger level. Also disclosed are a collision control apparatus, an electronic device, and a storage medium.

LANE-LINE-BASED INTELLIGENT DRIVING CONTROL METHOD AND APPARATUS, AND ELECTRONIC DEVICE

Provided are a lane-line-based intelligent driving control method and apparatus, and an electronic device. The method comprises: (S102) acquiring a lane line detection result of a travelling environment of a vehicle; (S104) determining, according to a travelling state of the vehicle and the lane line detection result, an estimated distance where the vehicle crosses a lane line and/or an estimated time where the vehicle crosses a lane line; and (S106) carrying out intelligent driving control on the vehicle according to the estimated distance and/or the estimated time. By means of the method, lane-line-based intelligent control on a vehicle travelling state is realized, thereby facilitating the improvement of driving safety.

Throttling device and static pressure system with throttling device

The invention discloses a throttler and a static pressure system with the same. The throttler comprises a base and a rotating flow channel cover plate. A cylindrical table is arranged on the base, and a first channel penetrates through the cylindrical table in the axial direction; the rotary flow channel cover plate is rotatably mounted on the cylindrical table, a second channel and a flow guide channel are arranged on the rotary flow channel cover plate, the flow guide channel is provided with an inlet end and an outlet end, and the inlet end is communicated with the second channel; at least one annular throttling channel is arranged on the side, close to the rotary flow channel cover plate, of the cylindrical table and/or the side, close to the cylindrical table, of the rotary flow channel cover plate, the annular throttling channel is arranged around the periphery of the first channel, the flow guide channel communicates with the outlet end, and an oil outlet communicating with the annular ...

Ultra-precision machine tool

The invention discloses an ultra-precision machining machine tool. The ultra-precision machining tool comprises a tool body, a lead screw assembly, a driving motor and a damping block. A bearing seat is arranged on the lathe bed; the lead screw assembly comprises a lead screw and a nut, the two ends of the lead screw are rotatably installed on the bearing seats through bearings, and the nut is rotatably arranged on the lead screw in a sleeving mode; the driving motor comprises a machine body and a motor shaft arranged on the machine body, and the motor shaft is connected with the end of the lead screw through a coupler. The damping block is arranged between the bearing seat and the machine body, a damping oil cavity is formed in the side, close to the machine body, of the damping block, and an oil way channel communicated with the damping oil cavity is formed in the damping block or the machine body. According to the ultra-precision machining tool, the problem that in the prior art, an ...

Automatic control method for realizing purification system RD valve

The invention discloses an automatic control method for realizing an RD valve of a purification system, and relates to an automatic control technology. Calibrating the maximum atmospheric pressure value P0 and the maximum gas displacement Q0 in a primary dust removal purification system of the converter under the maximum emission working condition; the carbon monoxide content QCO, the carbon dioxide content QCO2 and the real-time temperature T of coal gas in a primary dust removal purification system of the converter are collected in real time; and according to the maximum atmospheric pressure value P0, the maximum gas displacement Q0, the carbon monoxide content QCO and the carbon dioxide content QCO2, a valve degree control model used for controlling the RD valve opening degree is built. The opening degree of the RD valve is automatically adjusted in real time, so that the control angle matched with the current smelting condition is achieved, the gas recovery amount is increased to the ...

Paenibacillus polymyxa and application thereof

The invention discloses paenibacillus polymyxa and application thereof, and relates to the field of microorganisms, in particular to paenibacillus polymyxa and application thereof. The invention aims to solve the problem of shortage of existing strain resources for plant growth promotion and antagonism of pathogenic bacteria. The paenibacillus polymyxa is paenibacillus polymyxa X-11 and is preserved in the China General Microbiological Culture Collection Center (CGMCC), the preservation address is No.3, No.1 yard, Beichen West Road, Chaoyang District, Beijing, the preservation date is August 3, 2020, and the preservation number is CGMCC No.20476. The paenibacillus polymyxa X-11 has a growth promoting effect on tomatoes and rice, and has relatively strong antibacterial activity on various plant pathogenic bacteria. The method is applied to the fields of growth promotion of rice and tomatoes and biological prevention and control of diseases.

Display method and device of head-mounted display equipment, electronic equipment and storage medium

The embodiment of the invention provides a display method and device for head-mounted display equipment, electronic equipment and a storage medium. The display method is used for driving at least two pieces of head-mounted display equipment in parallel, and comprises the following steps: acquiring sensor data of the at least two pieces of head-mounted display equipment; based on the acquired sensor data, determining respective spatial distribution information of the at least two head-mounted display devices, the spatial distribution information including at least one of pose information and attitude information; for the head-mounted display device in the at least two head-mounted display devices, determining a virtual camera corresponding to the head-mounted display device in each virtual camera, so that the determined virtual camera renders the source image data according to the spatial distribution information of the head-mounted display device to obtain a to-be-displayed image; and transmitting ...

Physical knowledge and data hybrid driven prediction algorithm for predicting sea surface oil spill trajectory

The invention belongs to the field of trajectory prediction, and particularly relates to a physical knowledge and data hybrid-driven prediction algorithm for predicting a sea surface oil spill trajectory, which comprises the following steps of: 1, carding and theoretically analyzing a cellular automaton theory; 2, confirming influence factors, establishing a basis for rule setting, and supplementing and correcting a result; 3, fusing the influence factors, constructing an improved prediction model, and calculating a prediction result; 4, analyzing the used input parameters, determining a prediction model, and calculating a prediction value of the prediction model; 5, summarizing and analyzing calculation results, and constructing a prediction model under hybrid drive; step 6, carrying out dimension consistency and grid unification on the data, and carrying out hybrid driving on physical knowledge and the data; and step 7, obtaining an oil spill trajectory prediction result through calculation ...

Combined carbon emission prediction model based on multi-source heterogeneous tensor data

The invention relates to the technical field of pollutant emission prediction, in particular to a combined carbon emission prediction model based on multi-source heterogeneous tensor data, and the model comprises the following steps: data collection: obtaining carbon emission data over the years; performing text sentiment analysis to prepare for constructing a tensor information space of numerical data; tensor representation: preprocessing the data, constructing an information space for carbon emission prediction, and representing prediction information as a third-order tensor flow; tensor decomposition and reconstruction: decomposing the matrix into a singular vector and a singular value by using a high-order singular value decomposition mode, capturing a potential relationship between different information modes, and completing tensor reconstruction; and carbon emission combination prediction: adding prediction results to obtain future carbon emission. Media information and historical ...

Energy dissipation descent control device for vertical conveying of concrete in ultra-deep vertical shaft and using method of energy dissipation descent control device

The invention discloses an energy dissipation descent control device for ultra-deep vertical shaft concrete vertical conveying and a using method thereof.The lower end of an upper connecting flange is connected with an upper round pipe, the lower end of the upper round pipe is connected with an upper square buffer cylinder with a bottom plate through a round-to-square connecting end plate, and a square through hole is formed in the lower portion of one side wall of the upper square buffer cylinder; a certain distance is formed between the bottom edge of the square through hole and a bottom plate of the upper square buffering cylinder to form a buffering baffle, a lower square buffering cylinder which is communicated with the upper square buffering cylinder and provided with a top plate is arranged in the square through hole, and the bottom of the lower square buffering cylinder is connected with a lower round pipe through a square-to-round connecting end plate. The lower end of the lower ...

Automatic speed increasing and decreasing control method for steelmaking dust remover

The invention discloses an automatic speed increasing and decreasing control method for a steelmaking dust remover, and relates to an automatic control technology. All the dust removal user points in the steelmaking area are combined and matched to form a plurality of dust removal areas; the dust removal fan with the maximum rated air volume in the dust removal area serves as a main dust removal fan, and the other dust removal fans serve as auxiliary dust removal fans; the real-time valve opening degree of a dust removal valve corresponding to the main dust removal fan is obtained, and the first real-time rotating speed of the main dust removal fan is calculated according to the proportional relation among the real-time valve opening degree, the maximum valve opening degree of the dust removal valve and the rated rotating speed of the main dust removal fan under the rated air volume; and the actual rotating speed of the auxiliary dust removal fan is obtained, and the second real-time rotating ...

Grinding and polishing machine tool and swing arm mechanism thereof

The invention discloses a grinding and polishing machine tool and a swing arm mechanism thereof. The swing arm mechanism of the grinding and polishing machine tool comprises a supporting component, a driving component, a swing component and a grinding and polishing device. A rotating disc is arranged on the supporting part; the driving part comprises a driving part, a sliding part and a connecting rod assembly, the driving part is installed on the rotating disc, the sliding part is installed on the rotating disc, and the first end of the connecting rod assembly is slidably installed on the sliding part; the swinging part comprises a cantilever and a swinging part, the cantilever is connected to the first end of the swinging part, the first end of the swinging part is rotatably mounted on the supporting part, a plurality of connecting parts are arranged on the swinging part, and the distances between the connecting parts and the rotating center of the swinging part are different; the second ...

Grinding and polishing machine tool

The invention discloses a grinding and polishing machine tool. The grinding and polishing machine tool comprises a workbench, a swing arm mechanism and a grinding and polishing device. The workbench comprises a base, a slewing bearing and a bearing table, the slewing bearing is rotatably installed on the base, and the bearing table is fixedly installed on the slewing bearing; the swing arm mechanism comprises a supporting part, a connecting rod assembly and a swing arm part, the supporting part is arranged on the outer side of the workbench, a rotating disc is arranged on the supporting part, the two ends of the connecting rod assembly are rotationally connected with the rotating disc and the swing arm part respectively, and the connecting position of the connecting rod assembly and the rotating disc deviates from the rotating center of the rotating disc; the swing arm component is rotatably connected to the supporting component, and one end of the swing arm component is arranged above ...