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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 38. Отображено 38.
04-04-2023 дата публикации

Method, device and equipment for positioning target area in brain CT image

Номер: CN115908381A
Автор: MA LIJUAN, ZHANG XIA, CAI WEI
Принадлежит:

The invention discloses a method, a device and equipment for positioning a target area in a brain CT image, and the method comprises the steps: obtaining a standard brain CT image and a brain anatomical structure partition label of the standard brain CT image, carrying out the registration of the brain CT image and the standard brain CT image, and generating a target deformation field; and applying the target deformation field to the brain anatomical structure partition label of the standard brain CT image, thereby obtaining the brain anatomical structure partition label of the brain CT image. And then identifying a target bleeding area from the brain CT image by determining a segmentation threshold value corresponding to each slice image, and matching the target bleeding area with the brain anatomical structure partition label of the brain CT image to obtain a brain anatomical structure partition where the target bleeding area is located so as to realize positioning of the position where ...

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Номер записи: 1
18-02-2016 дата публикации

RAPID FORMING APPARATUS AND METHOD BASED ON METAL CARBONYL COMPLEXES IN 3D PRINTING

Номер: WO2016023415A1
Автор: LI, Shangkui, WANG, Bing, LI, Bo, LI, Xianxin, ZOU, Haiping, LUO, Yongdi, ZHANG, Feisheng, CAI, Wei
Принадлежит:

Provided are a rapid forming apparatus and method in 3D printing by using metal carbonyl complexes as raw materials. The apparatus comprises a gas inlet (1), a glove box (2), a spray nozzle (3), a sedimentation workbench (5), a platform heater (6), a gas-liquid collector (7), a collector exhaust pipe (8), a gas outlet pipe (9), a gas condenser (10), a spray nozzle control circuit (11), a servo mechanism (12), a servo mechanism control circuit (13), a liquid-state metal carbonyl complex control circuit (14), a computer (15), a solid-state metal carbonyl complex-ether solution control circuit (16), a solution heater (17), a flow meter I (18), a solution storage tank (19), a liquid storage tank (20), a flow meter II (21), a liquid-state metal carbonyl complex conveying pipe (22), a solid-state metal carbonyl complex-ether solution conveying pipe (23), a liquid heater (24), a drive pump (25), and a glove box operation opening (26). Transition metal carbonyl complexes such as iron, nickel, cobalt ...

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Номер записи: 2
04-08-2023 дата публикации

Medical event representation method and device, equipment and storage medium

Номер: CN116543863A
Автор: SUN XIAOWAN, CAI WEI, ZHANG XIA
Принадлежит:

The invention provides a medical event representation method, apparatus and device, and a storage medium. The method comprises the steps of obtaining historical case information of a patient; the historical case information is screened, medical information of the patient is obtained, and the medical information comprises time information; sorting the medical information based on the time information, and determining a first doctor seeing set of the patient, the first doctor seeing set comprising a plurality of medical information of the patient; determining a window length of each piece of medical information in the first treatment set, and obtaining a multi-dimensional dense vector of the patient based on the window length; and splicing the multi-dimensional dense vectors to obtain a target representation result of the patient.

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Номер записи: 3
29-08-2023 дата публикации

Glioma classification method and device based on semantic features

Номер: CN116664907A
Автор: JING YI, CAI WEI, ZHANG XIA
Принадлежит:

The invention provides a glioma classification method and device based on semantic features, a device, equipment and a storage medium. The method comprises the following steps: acquiring medical images of multiple modalities, and preprocessing the medical images of multiple modalities to obtain corresponding preprocessed images; on the basis of a glioma classification model, semantic features of the preprocessed image are obtained, and the semantic features comprise a uniformity feature, a density feature, a region feature, a placeholder feature and an edge feature; the glioma classification model is trained based on semantic features, target parameters and classification performance evaluation results of the glioma classification model are obtained, and the semantic features are 1 * N-dimensional features; and classifying the glioma based on the trained glioma classification model, and obtaining a classification result.

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Номер записи: 4
26-05-2023 дата публикации

Text processing method and device, storage medium and electronic equipment

Номер: CN116166818A
Автор: SUN XIAOWAN, CAI WEI, ZHANG XIA
Принадлежит:

The invention relates to a text processing method and device, a storage medium and electronic equipment. The method comprises the following steps: acquiring a plurality of character pairs in a to-be-processed target text; for each preset recognition model in at least one preset recognition model obtained through pre-training, identifying a target entity connection type corresponding to each character pair through the preset recognition model, the target entity connection type representing a character position of a character in the character pair in a target entity, the head character and/or the tail character of the target entity are/is located in the character pair, different preset recognition models correspond to different entity relationships, and the entity relationships are association relationships between two entities in at least one entity pair of the target text; and according to the target entity connection type identified by a preset identification model, extracting a target ...

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Номер записи: 5
26-05-2023 дата публикации

Underground structure imaging method based on background noise surface wave double-wave bunching

Номер: CN116165706A
Автор: WU XIAOYANG, GUO ZHEN, CHEN YONGSHUN, LUO BIN, CAI WEI, CHEN YUNPENG, TAN JUNQING
Принадлежит:

The invention discloses an underground structure imaging method based on background noise surface wave double-wave bunching. The method comprises the following steps: calculating a cross-correlation function between station pairs based on original seismic data; selecting a double-wave bunching calculation parameter, and determining a source bunching and a receiving bunching based on the double-wave bunching calculation parameter; setting a local phase velocity and orientation search range, correcting and superposing cross-correlation waveforms in the source bunching and the receiving bunching to a bunching center point, and searching an optimal measurement result corresponding to a maximum energy spectrum of an envelope line of the superposed waveforms; and moving the source bunching and the receiving bunching to obtain multiple groups of optimal measurement results, generating a phase velocity diagram based on each optimal measurement result, and generating azimuth anisotropy information ...

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Номер записи: 6
23-06-2023 дата публикации

Metal-organic framework material based on V-type asymmetric pentacarboxylic acid ligand, preparation method and application

Номер: CN116284809A
Автор: YAN YANGTIAN, ZHANG HENG, CAI WEI, FAN XUDONG, LU JIALEI, LI HAORAN, WU CHANGHAO, YANG MENGER
Принадлежит:

According to the metal-organic framework material based on the V-type asymmetric pentacarboxylic acid ligand and the preparation method and application of the metal-organic framework material, rigid V-type pentacarboxylic acid 2, 4-di (2 ', 5'-dicarboxylphenyl) benzoic acid is selected as an organic ligand, so that coordination sites of polycarboxylic acid can be provided to form a more flexible coordination mode, and the metal-organic framework material is more flexible in coordination. The five carboxyl groups in the ligand can be connected with metal ions to form different metal cluster units or metal oxygen chains in the MOFs synthesis process. The stability and diversity of the coordination polymer frame are improved, and the large-rigidity pi conjugated system of the coordination polymer facilitates the construction of a complex with good luminescence performance, so that the coordination polymer has better performance in fluorescence detection of metal ions, and can be used as an ...

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Номер записи: 7
30-06-2023 дата публикации

Image segmentation fusion method and device, equipment and storage medium

Номер: CN116363472A
Автор: JING YI, CAI WEI, ZHANG XIA
Принадлежит:

The invention provides an image segmentation fusion method and device, equipment and a storage medium. The method comprises the steps that a cascade network model is established, and the cascade network model comprises a fusion module and a segmentation module; training the cascade network model based on the preprocessed images of the multiple modes to obtain fusion loss of a fusion module and segmentation loss of a segmentation module; parameters of a fusion module and a segmentation module are optimized based on fusion loss and segmentation loss, and training of a cascade network model is completed; and fusing and segmenting the medical image based on the trained cascade network model, and obtaining a segmentation result. Through joint training of the fusion module and the segmentation module, the fusion loss corresponding to the fusion module can be reduced to a certain extent, and the segmentation performance of the segmentation module is improved, so that the fusion image is more suitable ...

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Номер записи: 8
07-04-2023 дата публикации

Imaging method and device based on short-period dense array city background noise

Номер: CN115935142A
Автор: TAN JUNQING, GUO ZHEN, CHEN YONGSHUN, LUO BIN, CAI WEI, REN PENGFEI, CHEN YUNPENG, WU XIAOYANG
Принадлежит:

The invention discloses an urban background noise imaging method and device based on a short-period dense array, and the method comprises the steps: obtaining a background noise signal corresponding to the short-period dense array, and carrying out the preprocessing of the background noise signal; performing frequency domain correlation calculation on the processed background noise signal to obtain a Rayleigh wave phase velocity and an attenuation parameter; performing iterative inversion training on a preset initial model based on the Rayleigh wave phase velocity, and obtaining a shear wave velocity; and performing drawing processing according to the shear wave speed and the attenuation parameter. Corresponding Rayleigh wave phase velocity, attenuation coefficient and medium anisotropy structure information are obtained through frequency domain correlation calculation of a short-period dense array power spectrum and based on least square fitting, and an underground shear wave velocity ...

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Номер записи: 9
14-07-2023 дата публикации

Side crack extraction method and device, storage medium and equipment

Номер: CN116433754A
Автор: CAI RUIKAI, MA LIJUAN, WU ANHUA, ZHANG XIA, CHENG WEN, CAI WEI, BAO LONG, WANG XI
Принадлежит:

The invention discloses a method for automatically locking an optimal brain sulcus segmentation threshold value based on a corrected image and identifying a side fissure in combination with a side fissure anatomical position, and belongs to the technical field of medical image processing. According to the method, on the basis of threshold segmentation, candidate areas are extracted in combination with the anatomical positions of the side fissures, the side fissures are extracted in the corresponding anatomical areas, fitting is carried out on abnormal sides according to the side fissures obtained through normal side segmentation in allusion to the condition of lesion occupation, and a whole-brain side fissure segmentation result is obtained. The method is suitable for CT (Computed Tomography) image NCCT and perfusion image CTP, is suitable for batch, rapid, automatic and accurate identification of multiple hospitals, multiple devices and multiple brain shapes, and has important clinical ...

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Номер записи: 10
09-05-2023 дата публикации

Model training method and device, image processing method and device, equipment and storage medium

Номер: CN116091863A
Автор: XU JING'AO, CAI WEI, ZHANG XIA
Принадлежит:

The invention discloses a model training method and device, an image processing method and device, equipment and a storage medium. The method comprises the steps of obtaining a training task set; wherein the training task set comprises a plurality of training tasks, and each training task comprises a brain segmentation task or a brain classification task; inputting the (N + 1) th training task into an Nth to-be-trained model, and updating an Nth model parameter of the Nth to-be-trained model based on the (N + 1) th training task to obtain an (N + 1) th updated parameter; wherein N is a positive integer; based on the (N + 1) th update parameter and the Nth model parameter, calculating to obtain a target model parameter; and obtaining a target model based on the target model parameters. According to the technical scheme, the target model obtained based on training of the training task set can process the brain segmentation task and the brain classification task at the same time, and the application ...

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Номер записи: 11
30-06-2011 дата публикации

AMPHIBIOUS TRANSPORT VEHICLE

Номер: WO2011075968A1
Автор: WANG, Xinming, SUN, Jiajun, ZHANG, Zhongnan, CAI, Wei
Принадлежит:

An amphibious transport vehicle comprises a vehicle body and two crawler tracks (2) respectively set on both sides below the vehicle body, wherein, each crawler track comprises a pontoon and at least two tracks (21) side by side outside the pontoon. Because a crawler track with at least two tracks side by side outside the pontoon is located on each side of the vehicle body respectively, the configuration of the entire vehicle is more compact and the steering resistance becomes smaller while equal grounding specific pressures are ensured.

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Номер записи: 12
25-04-2023 дата публикации

Text classification method and device, equipment, storage medium and program product

Номер: CN116010604A
Автор: ZHENG MINGXIN, CAI WEI, ZHANG XIA
Принадлежит:

The invention provides a text classification method and device, equipment, a storage medium and a program product, and the method comprises the steps: obtaining the respective text information of N texts and the types of a part of texts in the N texts, N being an integer greater than 1; first vectors of the N texts are determined on the basis of the text information of the N texts, the first vector of the target text is used for representing correlation between the target text and other texts except the target text in the N texts, and the target text is any one of the N texts; and based on the first vectors of the N texts and the categories of the partial texts, determining the categories of other texts except the partial texts in the N texts. Through the technical scheme, the text classification precision can be improved.

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Номер записи: 13
11-04-2023 дата публикации

Leaf age space distribution detection method based on satellite remote sensing image

Номер: CN115953694A
Автор: ZHANG QIAN, LIU LONG, CAI WEI, WANG FEIFEI, GAO WEIHONG, LYU JIAQIAN, REN RONGRONG
Принадлежит:

The invention discloses a leaf age space distribution detection method based on satellite remote sensing images, and belongs to the field of agricultural remote sensing application. The problems that the prior art is only suitable for small-range plots and consumes time and labor are solved. The method comprises the following steps: carrying out atmospheric correction and cloud removal preprocessing on a satellite remote sensing image; calculating a normalized difference vegetation index (NDVI) for the processed satellite remote sensing image; extracting an NDVI time sequence corresponding to the leaf age to-be-detected region; performing S-G filtering processing on the NDVI time sequence to reduce the influence of noise; establishing a regression equation of the NDVI after noise reduction and the leaf age of the corresponding actual measurement area; and based on the regression equation, according to a satellite remote sensing image collected in real time, obtaining leaf age space distribution ...

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Номер записи: 14
27-04-2017 дата публикации

MICRO-GAS COMBUSTION GUN BODY, IGNITION BURNER, COAL POWDER COMBUSTION SYSTEM, AND COAL-FIRED BOILER

Номер: WO2017067272A1
Автор: CAI, Wei, CAI, Fei, CUI, Xuelin, TANG, Hong, NIU, Tao, WANG, Shiqing, SHAO, Tiancheng, WANG, Peng, HU, Lijie
Принадлежит:

A micro-gas combustion gun body, an ignition burner, a coal powder combustion system, and a coal-fired boiler, wherein the micro-gas combustion gun body comprises a combustion air duct (21), a gas supply device and an ignition device (24); the combustion air duct (21) comprises a combustion air inlet (211) and a flame opening (212); the gas supply means comprises a plurality of gas outlet parts, and the plurality of gas outlet parts and an ignition end of the ignition device (24) are disposed in the combustion air duct (21), the ignition end of the ignition device (24) is used to ignite the gas emitted from the plurality of gas outlet parts. Due to the gas supply device in the micro-gas combustion gun body comprising a plurality of gas outlet parts, during an ignition process, the micro-gas combustion gun body has a plurality of ignition points therein, and the plurality of ignition points can ignite each other and act as a combustion aid reciprocally. Hence, the micro-gas combustion gun ...

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Номер записи: 15
25-07-2023 дата публикации

Elevator control method, device and equipment based on image fusion and storage medium

Номер: CN116485692A
Автор: WANG PINGJIANG, ZHU KAIQIANG, TANG ZIJIAN, LING XIAOFENG, CAI WEI, DONG ZHONG
Принадлежит:

The invention relates to the technical field of artificial intelligence, provides an elevator control method, device and equipment based on image fusion and a storage medium, and is used for improving the operation efficiency of an elevator. The elevator control method based on image fusion comprises the steps that target images of at least two target positions in an elevator are obtained, wherein the at least two target positions comprise two positions in the diagonal direction; layer feature extraction and feature fusion are carried out on the target images of the at least two target positions through a preset target image segmentation model, a target feature map is obtained, and the number of encoder network structures in the target image segmentation model is at least two; the current remaining area of the elevator is obtained through the target feature map, and the current remaining number of people capable of being loaded in the elevator is calculated through the current remaining ...

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Номер записи: 16
18-07-2023 дата публикации

Wing point body surface projection positioning method and device based on NCCT image data, storage medium and equipment

Номер: CN116452661A
Автор: BAO LONG, MA LIJUAN, WU ANHUA, ZHANG XIA, CAI RUIKAI, CAI WEI, CHENG WEN, WANG XI, CUI XIAO
Принадлежит:

The invention discloses a wing point body surface projection positioning method based on NCCT image data, and belongs to the technical field of medical image processing. According to the method, NCCT sequence data are checked through conventional images at any time, the skull appearance is reconstructed, eyebrow features are automatically and individually recognized through angular point detection and Kmeans mean value clustering, eyebrow outer edge points are accurately determined, the eyebrow outer edge is pushed by 3.5 cm towards the direction of an eyebrow extension line, the midpoint of a zygomatic arch is pushed by 4 cm upwards, wing points are automatically and rapidly positioned, and the appearance of the skull is accurately determined. Important clinical significance is realized.

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Номер записи: 17
08-08-2023 дата публикации

Entity relationship determination method and device, equipment and storage medium

Номер: CN116562264A
Автор: SUN XIAOWAN, CAI WEI, ZHANG XIA
Принадлежит:

The invention provides an entity relationship determination method and device, equipment and a storage medium, and the method comprises the steps: carrying out the entity extraction based on an initial data text, and obtaining entity information; a label set is obtained, an entity relation classification model is trained based on the entity information, a plurality of initial relation labels corresponding to the entity information in the label set are obtained, the entity relation classification model comprises N entity relation classification sub-models, and N is an integer larger than 2; and determining a final relation label corresponding to the entity information based on the plurality of initial relation labels.

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Номер записи: 18
27-06-2023 дата публикации

Image processing method and device, equipment and storage medium

Номер: CN116342570A
Автор: XIA MOYU, CAI WEI, ZHANG XIA
Принадлежит:

The invention provides an image processing method and device, equipment and a storage medium. The method comprises steps that first segmentation is carried out on a brain nuclear magnetic resonance preprocessing image based on a brain structure, a first segmentation image is acquired, and the first segmentation image comprises a plurality of brain sub-regions; the brain nuclear magnetic resonance preprocessed image is subjected to second segmentation based on the voxel blocks, a second segmented image is obtained, and the second segmented image comprises a plurality of voxel blocks; fusing the first segmented image and the second segmented image, and determining voxel blocks contained in each brain sub-region; and based on the voxel blocks contained in each brain sub-region, obtaining the volume of the brain sub-region. According to the method and the device, the accuracy of PD and P-plus differential diagnosis results can be improved to a certain extent by accurately segmenting the brain ...

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Номер записи: 19
23-06-2023 дата публикации

Disease classification model training method and device, equipment and storage medium

Номер: CN116310573A
Автор: JING YI, JIANG XIAOWEI, CAI WEI, ZHANG XIA, ZHAO YAN, JIA LINNA
Принадлежит:

The invention provides a disease classification model training method and device, equipment and a storage medium. The method comprises the following steps: determining a functional connection feature of each voxel point facing a target area in a brain image sample; determining a key brain region in the brain image sample according to the functional connection feature of each voxel point; and training a corresponding disease classification model by using the functional connection features of the voxel points in the key brain region. According to the embodiment of the invention, the interference of the voxel point features of the non-key brain region in the brain image sample on the training of the disease classification model can be eliminated, the feature precision during the training of the disease classification model is improved, and the training efficiency and classification accuracy of the disease classification model are ensured.

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Номер записи: 20
07-04-2023 дата публикации

Low-nitrogen combustor for plasma staged intensified combustion

Номер: CN115930206A
Автор: QIN NING, CUI TILEI, CAI WEI, CHENG ZHONGJIE, ZOU QINGJIE, LIU HAIFENG, MA HUAICHENG, GAO ZHIYONG, HU HAIJIANG, DONG CHUNSEN, YUE XIAN, YOU TONGTONG
Принадлежит:

The invention discloses a low-nitrogen combustor for plasma staged intensified combustion, which relates to the technical field of combustors, and comprises a combustor shell, a primary combustion cylinder, a secondary combustion cylinder and a plasma generator, a first impact type rich-lean block and a second impact type rich-lean block are arranged in the first-stage combustion cylinder and the second-stage combustion cylinder correspondingly, a partition assembly is arranged in the combustor shell, an adjusting assembly is arranged on the combustor shell, a secondary blowing assembly is arranged between the first-stage combustion cylinder and the secondary air box, and the partition assembly comprises a first partition plate and a second partition plate. The first partition plate comprises a linear part and an arc-shaped part, the tail end of the first partition plate is hinged to the second partition plate, the first partition plate and the second partition plate are fixedly arranged ...

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Номер записи: 21
02-06-2023 дата публикации

Transformer fault defense method and device

Номер: CN116207708A
Автор: JIANG CHANGMING, HAO ZHEN, LIU LIANRUI, MA JIXIAN, TANG YUNPENG, LIU JIAN, LIU BAIYAN, NIU XIAOMIN, CHEN GANG, TIAN HONGXUN, DU XIUMING, LI YU, MA XINSHENG, CAI WEI, LIU GUANGWEI, LU YI, LIU YIMIN, MUKKA, JIA LIN, MAO TING
Принадлежит:

The invention provides a transformer fault defense method and device. The method comprises the following steps: performing discharge amplitude, discharge pulse number, linkage, phase correlation and growth rate judgment and discharge mode identification on an electric signal of a transformer; obtaining a first logic judgment result of the first stage according to the discharge amplitude result, the discharge pulse number result, the linkage result and the phase correlation result; according to the discharge amplitude result, the discharge pulse number result, the linkage result, the phase correlation result and the discharge mode result, a second-stage logic judgment result is obtained, and second alarm information is output; obtaining a second logical judgment result of the first stage according to the discharge mode result and the logical judgment result of the second stage, and outputting first alarm information according to the second logical judgment result of the first stage and the ...

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Номер записи: 22
30-05-2023 дата публикации

Inspection system and method for transformer protection system

Номер: CN116184102A
Автор: HAO ZHEN, JIANG CHANGMING, MA JIXIAN, LIU JIAN, LI YU, TANG YUNPENG, LIU BAIYAN, LIU GUANGWEI, NIU XIAOMIN, CHEN GANG, TIAN HONGXUN, DU XIUMING, MA XINSHENG, CAI WEI, LU YI, LIU YIMIN, MAO TING, MUKKA, JIA LIN, NIU ZHENG
Принадлежит:

The invention provides an inspection system and method for a transformer protection system, the transformer protection system comprises a first detection device, a first control device and a circuit breaker, the first control device is used for determining a tripping instruction according to a detection value of the first detection device, and the circuit breaker is used for executing the tripping instruction to cut off a target transformer from a power system; the test system comprises a parameter simulation device used for simulating a target transformer to generate a simulation value of a predetermined parameter according to a test instruction; the tripping terminal device is used for intercepting the tripping instruction to prevent the tripping instruction from being transmitted to the circuit breaker to cause tripping, and sending the tripping instruction to the second control device; and the second control device is used for sending an inspection instruction to the parameter simulation ...

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Номер записи: 23
18-04-2023 дата публикации

Occipital protrusion detection method and device, storage medium and electronic equipment

Номер: CN115969399A
Автор: MA LIJUAN, CAI WEI, ZHANG XIA
Принадлежит:

The invention relates to an occipital protrusion detection method and device, a storage medium and electronic equipment. The method comprises the following steps: acquiring an NCCT image sequence of the head of a to-be-detected object; determining a skull region according to the NCCT image sequence; determining an extraoccipital protuberance candidate area including a cerebral center seam from the skull area; and determining the position of the extraoccipital protrusion from the extraoccipital protrusion candidate region based on bone thickness characteristics. The method for determining the position of the occipital protrusion is more accurate and safer.

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Номер записи: 24
25-04-2023 дата публикации

Medical term standardization method and device, equipment and storage medium

Номер: CN116012862A
Автор: SUN XIAOWAN, CAI WEI, ZHANG XIA
Принадлежит:

The invention provides a medical term standardization method and device, equipment and a storage medium. The method comprises the steps of determining semantic features of any medical term; according to the semantic features, searching a standard term set corresponding to the medical term from a label prefix tree constructed under at least one target classification label to which the medical term belongs; wherein the label prefix tree is composed of a plurality of standard terms under the target classification label. According to the embodiment of the invention, omission of standard terms after standardization of the medical terms can be avoided, so that comprehensiveness of standardization of the medical terms is ensured. Moreover, probability prediction between each standard term in the medical knowledge base and the medical term does not need to be carried out, and on the basis of ensuring the accuracy of medical term standardization, the efficiency of medical term standardization is ...

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Номер записи: 25
23-06-2023 дата публикации

Tumor purity distribution prediction method and device based on radiomics, storage medium and equipment

Номер: CN116309540A
Автор: CHENG WEN, JING YI, CAI RUIKAI, CAI WEI, WU ANHUA, ZHANG XIA, BAO LONG, SONG JIANGDIAN
Принадлежит:

The invention discloses a tumor purity distribution prediction method and device based on radiomics, a storage medium and equipment, and belongs to the technical field of medical image processing. According to the method, on the basis of a tumor multipoint sampling method, the brain tumor purity is predicted by adopting the omics characteristics of voxel blocks, so that the purity distribution prediction of the whole tumor area is realized, and the method can be used for identifying the tumor area under the condition of high precision. The radiomics-based tumor purity distribution prediction method, the radiomics-based tumor purity distribution prediction device, the storage medium and the radiomics-based tumor purity distribution prediction equipment disclosed by the invention realize automatic, intelligent and individualized purity distribution prediction of the whole tumor area, greatly improve the prediction precision of the purity distribution of the tumor area, save time and have ...

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Номер записи: 26
13-06-2023 дата публикации

Image processing method and device, equipment and storage medium

Номер: CN116258675A
Автор: MA LIJUAN, CAI WEI, ZHANG XIA
Принадлежит:

The invention discloses an image processing method and device, equipment and a storage medium, and the method comprises the steps: obtaining a head contour image, and carrying out the processing of the head contour image, and obtaining a head contour edge image; determining a plurality of target feature points on the head contour edge image; wherein the plurality of target feature points comprise a nose root feature point, a wing point feature point and an occipital bone protrusion feature point; determining a reference distance based on the first coordinate of the nose root feature point and the second coordinate of the occipital bone protrusion feature point; determining the position of a central groove based on the reference distance and the first coordinate; determining a target spatial position based on the central groove position and the third coordinate of the wing point feature point; wherein the target spatial position comprises a central front-back spatial position and a central ...

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Номер записи: 27
07-07-2023 дата публикации

Method and device for generating inspection report, storage medium and electronic equipment

Номер: CN116403673A
Автор: XIE PENGFEI, CAI WEI, ZHANG XIA
Принадлежит:

The invention relates to a method and a device for generating an examination report, a storage medium and electronic equipment. The method comprises the following steps: acquiring medical record information of a user and a target image containing a target part of the user; determining first identification information of the target part through a pre-generated first information determination model according to the target image; determining second identification information of the target part through a pre-generated second information determination model according to the medical record information; determining target identification information according to the first identification information, the second identification information, first model information of the first information determination model and second model information of the second information determination model; and generating an inspection report corresponding to the target part according to the target identification information ...

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Номер записи: 28
23-05-2023 дата публикации

Method and device for training and applying floor tile corner detection model

Номер: CN116152324A
Автор: ZHANG QIANG, CHEN SIYAN, CAI WEI, DONG ZHONG
Принадлежит:

The invention provides a floor tile corner detection model training and application method and device, and relates to the technical field of computer vision, and the floor tile corner detection model training method comprises the steps: marking a floor tile region in an obtained floor tile scene image, and taking a corner in the floor tile region as a key point to generate label data; constructing a neural network model based on the feature pyramid network, the attention mechanism and the multi-task joint loss function; the multi-task joint loss function comprises a floor tile area classification loss function, a target detection frame regression loss function and a key point regression loss function; inputting the floor tile scene image and the label data into a neural network model; and training the neural network model to obtain a floor tile corner detection model. By implementing the implementation mode, the corner point of the floor tile can be accurately detected in a real-time complex ...

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Номер записи: 29
06-07-2016 дата публикации

A sensor supporting mechanism for electrified detector of ultrasonic wave partial discharge

Номер: CN0205374526U
Автор: SHA YANCHAO, ZHANG CHAO, LI ZHIGANG, LI DAWEI, CAI WEI, NIU ZHENG, MA JIXIAN, LYU MING, MAO TING, XU DANGGUO, LONG KAIHUA, DENG CHUN, SUN YUNSHENG, CUI HEPING, WU GANG
Принадлежит:

... 本实用新型涉及一种用于超声波局部放电带电检测仪的传感器支撑机构，属于气体绝缘金属封闭开关设备潜伏性故障诊断技术领域。包括绝缘杆、传感器固定端头、旋转支撑杆、超声波传感器安置室和超声波信号放大器安置槽等，绝缘杆的上端部为传感器联结端头，传感器固定端头通过连接杆与绝缘杆联动，传感器固定端头上设有穿心螺杆，旋转支撑杆的一端套装在传感器固定端头的穿心螺杆上，旋转支撑杆通过旋转方向固定螺杆与传感器固定端头相对固定，超声波传感器安置室固定在旋转支撑杆的另一端，超声波信号放大器安置槽通过安置槽固定螺栓固定在绝缘杆上。本传感器支撑机构提高带电检测的人身及设备安全，并大大提高带电检测效率。 ...

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Номер записи: 30
23-06-2023 дата публикации

Information editing method and device, electronic equipment and storage medium

Номер: CN116306505A
Автор: YI JUNQUAN, ZHANG XIA, CAI WEI
Принадлежит:

The invention relates to an information editing method and device, electronic equipment and a storage medium, and relates to the field of information processing.The method comprises the steps that a partition mark of an edit box is created, an HTML fragment is generated according to text content to be edited, the HTML fragment comprises a target text in the text content, the HTML fragment is assigned to the edit box with the partition mark, and the target text is edited according to the target text. The method comprises the following steps: editing an HTML (Hypertext Markup Language) fragment in an edit box to display text content corresponding to the HTML fragment in the edit box, updating the HTML fragment according to edit content generated by editing operation, and updating the updated HTML fragment to the edit box to display the text content corresponding to the updated HTML fragment in the edit box. On the one hand, the display style of the specified type of text in the target text ...

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Номер записи: 31
09-06-2023 дата публикации

Image processing method and device, equipment, medium and product

Номер: CN116245821A
Автор: JING YI, CAI WEI, ZHANG XIA
Принадлежит:

The invention provides an image processing method and device, equipment, a medium and a product. The method comprises the following steps: acquiring a tumor image; generating a graph structure of the tumor image, wherein the graph structure is used for representing variation amplitude information of a pixel value of the tumor image in at least one direction; and judging benign and malignant tumors in the tumor image according to the image structure. Therefore, the automation rate and the judgment efficiency of benign and malignant tumor judgment are improved.

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Номер записи: 32
27-06-2023 дата публикации

Occipital bone target position positioning method, device and equipment

Номер: CN116342699A
Автор: MA LIJUAN, CAI WEI, ZHANG XIA
Принадлежит:

The invention discloses an occipital bone target position positioning method, device and equipment, and the method comprises the steps: obtaining a brain CT image, and extracting a skull region from the brain CT image; and performing view direction conversion on the skull region to obtain a brain sagittal plane skull region slice image, and determining an occipital protrusion candidate region in the brain sagittal plane skull region slice image. Extracting a skeleton line in the occipital outboard convex candidate region, and extracting angular points in the skeleton line by using a Harris angular point detection algorithm to form a candidate point cluster; and finally, determining the position of the occipital protrusion according to the position of the candidate point cluster. According to the embodiment of the invention, the skull shape of the patient can be reconstructed based on the CT conventional flat scanning examination, the skull features of the patient can be automatically and ...

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Номер записи: 33
07-07-2023 дата публикации

Anchor head vibration reduction protection device for bridge anchoring structure

Номер: CN116397526A
Автор: CAI WEI, SONG CHONGYANG, GONG HUIPENG, ZHOU PINGJIANG, CHEN HUALONG, GUO HAO, YANG JIN, ZENG RONG
Принадлежит:

The invention relates to the technical field of bridge engineering, and particularly discloses an anchor head vibration reduction protection device for a bridge anchoring structure, which comprises a fixed base, and a support plate, a preset pipe and a bundle body are arranged on the outer side of the fixed base; the fixing mechanism is arranged on the inner side of the fixing base, the fixing mechanism comprises a clamping piece, an anchor plate, a fastening plate and a fixing bolt, and the anchor plate is fixedly installed on the inner side of the fixing base; the sealing mechanism is arranged on the outer side of the fixed base, the sealing mechanism comprises a sealing plate, a protection cover, a heat insulation layer and a sealing ring, and the sealing plate is fixedly installed on the inner side of the fixed base; on the basis of the fixed base, the anchor head bundle body structure is fixed in a sealed environment through the mutual matching effect of a structure in the fixed mechanism ...

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Номер записи: 34
04-07-2023 дата публикации

Puncture angle determination method and device, equipment and storage medium

Номер: CN116386880A
Автор: MA LIJUAN, CAI WEI, ZHANG XIA
Принадлежит:

The invention discloses a puncture angle determination method, device and equipment and a storage medium, and the method comprises the steps: obtaining an original skull image, and obtaining a skull outer surface based on the original skull image; presetting a drilling position on the outer surface of the skull, and determining a target curved surface based on the drilling position; determining a normal vector of the target curved surface based on the target expression of the target curved surface and the drilling position; and obtaining a puncture vector, and based on the puncture vector and the normal vector of the target curved surface, calculating to obtain a target puncture angle. According to the technical scheme, quadric surface mathematical modeling is carried out on the outer surface of the skull, the drilling direction and the target puncture angle of the outer surface of the skull can be automatically and accurately calculated, the angle range of skull surface puncture is expanded ...

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Номер записи: 35
30-06-2023 дата публикации

Nose root detection method and device, storage medium and electronic equipment

Номер: CN116363213A
Автор: MA LIJUAN, CAI WEI, ZHANG XIA
Принадлежит:

The invention relates to a nose root detection method and device, a storage medium and electronic equipment. The method comprises the following steps: acquiring an NCCT image sequence of the head of a to-be-detected object; determining a skull region according to the NCCT image sequence; determining a nose root candidate region from the skull region based on the position feature of the nose root; and determining the position of the nasal root from the nasal root candidate region according to the bone shape features at the nasal root. The method for determining the position of the nose root is more accurate and safer.

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Номер записи: 36
18-04-2023 дата публикации

Method and device for determining model, storage medium and electronic equipment

Номер: CN115982580A
Автор: WANG WEIGUANG, CAI WEI, ZHANG XIA
Принадлежит:

The invention relates to a model determination method and device, a storage medium and electronic equipment, and is applied to a model determination system, the system comprises a preset block chain and a plurality of medical data processing terminals communicating with the preset block chain, and each medical data processing terminal is deployed with a to-be-trained preset medical classification model. Different medical data processing terminals are used for processing different medical data; the method comprises the following steps: for each medical data processing terminal, determining a first model parameter of a preset medical classification model deployed on the medical data processing terminal according to target medical data corresponding to the medical data processing terminal; according to the first model parameter calculated by each medical data processing terminal, determining a second model parameter of a preset medical classification model deployed on the medical data processing ...

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Номер записи: 37
04-04-2023 дата публикации

Background noise eikonal imaging method based on physical information neural network

Номер: CN115903018A
Автор: CHEN YUNPENG, GUO ZHEN, CHEN YONGSHUN, LUO BIN, TAN JUNQING, WU XIAOYANG, REN PENGFEI, CAI WEI
Принадлежит:

The invention discloses a background noise path function imaging method based on a physical information neural network. The method comprises the following steps: acquiring original seismic data; performing cross-correlation on background noise in the original seismic data to obtain travel time data; an artificial neural network is constructed, a loss function containing physical constraints is constructed based on the eikonal equation, and the loss function is added to the artificial neural network; training an artificial neural network based on the training data to obtain an initial neural network model; and obtaining target seismic data of the target area, and processing the target seismic data based on the initial neural network model to obtain underground velocity structure information of the target area. According to the method and the device, an iterative process in nonlinear inversion can be effectively avoided by applying the idea of a physical information neural network structure ...

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Номер записи: 38