Patents Assigned to SHENZHEN INSTITUTES OF ADVANCED TECHNOLOGY
  • Patent number: 12380613
    Abstract: A medical image noise reduction method, system, terminal and storage medium are disclosed. The method includes: obtaining a standard-dose PET image and a constant-value image; inputting the standard-dose PET image and the constant-value image into a decay function to obtain a corresponding low-dose noisy PET image and a noisy constant-value image, respectively; assembling the low-dose noisy PET image and the noisy constant-value image in a width dimension or a height dimension, and then inputting into a trained conjugate generative adversarial network, and outputting a denoised PET image and constant-value image output by the conjugate generative adversarial network.
    Type: Grant
    Filed: September 27, 2022
    Date of Patent: August 5, 2025
    Assignee: SHENZHEN INSTITUTES OF ADVANCED TECHNOLOGY
    Inventors: Hairong Zheng, Xin Liu, Na Zhang, Zhanli Hu, Dong Liang, Yongfeng Yang, Qi Yang
  • Publication number: 20250237722
    Abstract: A radio frequency signal reception system for magnetic resonance imaging includes a cryostat, a coil and a pre-amplifier. The cryostat is provided with a housing, a thermal insulation cover and a vacuum layer which is covered by the housing, the vacuum layer is communicated with the first pumping port, the coil is arranged in the closed cavity, and a signal generated by the coil is transmitted to the magnetic resonance system through the pre-amplifier. The radio frequency signal reception system provided by the application has the advantages of high signal-to-noise ratio, wide applicability, easy operation, and easy maintenance, and is suitable for imaging multiple parts of the human body such as knee joints, arms, and wrists.
    Type: Application
    Filed: February 26, 2025
    Publication date: July 24, 2025
    Applicant: SHENZHEN INSTITUTES OF ADVANCED TECHNOLOGY CHINESE ACADEMY OF SCIENCES
    Inventors: Ye LI, Zhiguang MO, Chao LUO, Hairong ZHENG
  • Publication number: 20250236981
    Abstract: The present invention belongs to the technical field of high-performance metal materials and advanced electronic interconnection electroplating, and provides a twin crystal copper material which has preferred orientation of a (110) crystal plane, and includes twin crystal lamellas which are mainly distributed at an included angle of 45 degrees with a crystal grain growth direction; and a proportion of crystal grains with the twin crystal lamellas in total crystal grains of the twin crystal copper material is more than or equal to 50%, and/or a ratio of a volume of the twin crystal structure to a total volume of the twin crystal copper material is more than or equal to 50%. The twin crystal copper material provided by the present invention has more excellent structure thermal stability, and the twin crystal copper material shows the unique property that the proportion of the twin crystal lamellas does not decrease but increases.
    Type: Application
    Filed: December 20, 2022
    Publication date: July 24, 2025
    Applicant: SHENZHEN INSTITUTES OF ADVANCED TECHNOLOGY CHINESE ACADEMY OF SCIENCES
    Inventors: Zhi-Quan LIU, Zhe LI, Xiao LI, Li-Yin GAO, Rong SUN
  • Patent number: 12333717
    Abstract: An infrared image sequence-based sleep quality evaluation system and method. The method comprises: obtaining a plurality of respiratory infrared image sequences to be evaluated, one respiratory infrared image sequence comprising a plurality of respiratory infrared image frames to be evaluated; performing sleep quality evaluation on each respiratory infrared image sequence in the plurality of respiratory infrared image sequences by means of a classifier to obtain a sleep quality evaluation result corresponding to each respiratory infrared image sequence; and counting the number of different sleep quality evaluation results according to the sleep quality evaluation results respectively corresponding to the plurality of respiratory infrared image sequences, and determining the sleep quality evaluation result with the largest number as a sleep quality evaluation result of a user.
    Type: Grant
    Filed: December 17, 2019
    Date of Patent: June 17, 2025
    Assignee: SHENZHEN INSTITUTES OF ADVANCED TECHNOLOGY
    Inventors: Shuqiang Wang, Senrong You, Guobao Wu, Yiqian Lu, Fen Miao, Chitang Zhang
  • Publication number: 20250180681
    Abstract: A magnetic resonance multi-core radio frequency coil device includes a first birdcage coil and a second birdcage coil coaxially nested. The first birdcage coil includes four first end rings arranged along an axial direction and multiple first leg structures. Each first leg structure is connected to the four first end rings. The second birdcage coil includes two second end rings arranged along the axial direction and multiple second leg structures. Each second leg structure is connected to the two second end rings. The first birdcage coil is configured to transmit and receive radio frequency energy at frequencies corresponding to three different nuclides. The second birdcage coil is configured to transmit and receive radio frequency energy at a frequency corresponding to a nuclide. The nuclides corresponding to the first birdcage coil are different from the nuclide corresponding to the second birdcage coil.
    Type: Application
    Filed: October 18, 2021
    Publication date: June 5, 2025
    Applicant: SHENZHEN INSTITUTES OF ADVANCED TECHNOLOGY
    Inventors: Ye LI, Nan LI, Feng DU, Qiaoyan CHEN, Chao LUO, Xin LIU, Hairong ZHENG
  • Patent number: 12315161
    Abstract: A method and a system for generating a dynamic addictive neural circuit based on weakly supervised contrastive learning are disclosed. The method includes: based on a convolutional neural network, reducing a dimensionality of voxels of multiple groups of fMRI to attributes of brain region nodes, and generating multiple groups of dynamic brain connection maps containing time series based on the attributes of the brain region nodes; extracting spatio-temporal features of brain connections in the dynamic brain connection maps; inputting the spatio-temporal features into an abnormal connection detection network, calculating an abnormal probability of brain connections based on contrastive learning, and obtaining the brain connection with a highest abnormal probability at each time point; and generating the dynamic addictive neural circuit based on neuroscientific prior knowledge and the brain connection with the greatest probability of abnormality.
    Type: Grant
    Filed: February 20, 2023
    Date of Patent: May 27, 2025
    Assignee: SHENZHEN INSTITUTES OF ADVANCED TECHNOLOGY
    Inventors: Shuqiang Wang, Changwei Gong
  • Patent number: 12315111
    Abstract: Disclosed by the present application are an image enhancement method and apparatus, a terminal device and a computer-readable storage medium.
    Type: Grant
    Filed: November 25, 2019
    Date of Patent: May 27, 2025
    Assignee: SHENZHEN INSTITUTES OF ADVANCED TECHNOLOGY CHINESE ACADEMY OF SCIENCES
    Inventors: Shuqiang Wang, Senrong You, Yiqian Lu, Shengye Hu
  • Publication number: 20250148746
    Abstract: The present disclosure discloses a chemical shift coded imaging method based on a transition region and regional iterative phasor extraction. Acquiring an initial image, and determining an initial phasor solution of the transition region based on the initial image; performing regional iterative phasor extraction in at least two set directions by taking the initial phasor solution as initial information, and obtaining a target phasor solution based on a regional iterative phasor extraction result corresponding to each set direction; and determining a first chemical composition signal and a second chemical composition signal based on the target phasor solution, and performing chemical shift coded imaging based on the first chemical composition signal and/or the second chemical composition signal.
    Type: Application
    Filed: January 13, 2025
    Publication date: May 8, 2025
    Applicant: SHENZHEN INSTITUTES OF ADVANCED TECHNOLOGY CHINESE ACADEMY OF SCIENCES
    Inventors: Hao PENG, Chao ZOU, Chuanli CHENG, Xin LIU, Hairong ZHENG
  • Publication number: 20250148574
    Abstract: The present disclosure discloses a method and apparatus for enhancing a PET parameter image, a device, and a storage medium. The method includes: obtaining, based on a preset mapping list, an input image corresponding to an original PET parameter image determined based on a dynamic PET image set; and inputting the input image into an image enhancement model, adjusting a model parameter of the image enhancement model based on the original PET parameter image and an output predicted PET parameter image until a preset number of iterations is met, and using the predicted PET parameter image as a target PET parameter image corresponding to the original PET parameter image; wherein the input image is a noise image, a dynamic PET image corresponding to a preset acquisition time range in the dynamic PET image set or a dynamic SUV image corresponding to the dynamic PET image.
    Type: Application
    Filed: December 27, 2024
    Publication date: May 8, 2025
    Applicant: SHENZHEN INSTITUTES OF ADVANCED TECHNOLOGY
    Inventors: Hongzhao CHEN, Tao SUN, Yaping WU, Zhenguo WANG, Meiyun WANG
  • Publication number: 20250137845
    Abstract: Disclosed are a tropical cyclone symmetry structure analysis method and apparatus, a device, and a storage medium. TC locations and TC intensities are acquired based on TC best track datasets; polar coordinate systems are created with the TC locations as origins; hourly infrared brightness temperature data are acquired based on satellite data, and are interpolated into the corresponding polar grids to obtain infrared brightness temperature polar grid data; then convection symmetry indexes of inner-core regions of TCs are calculated based on the infrared brightness temperature polar grid data; and finally, the relationship between the convective symmetry indexes and the TC intensities is analyzed.
    Type: Application
    Filed: December 27, 2024
    Publication date: May 1, 2025
    Applicant: SHENZHEN INSTITUTES OF ADVANCED TECHNOLOGY CHINESE ACADEMY OF SCIENCES
    Inventors: Qinglan LI, Jiali ZHANG, Gangya ZHU
  • Patent number: 12288327
    Abstract: The present application is applicable to the field of medical imaging technologies, and provides an image-driven brain atlas construction method and apparatus, a device and a storage medium. The method includes: acquiring multi-modal data of a brain to be predicted, where the multi-modal data is acquired according to image data collected when the brain is under at least three different modalities; inputting the multi-modal data into a preset fusion network for processing to output and acquire feature parameters of the brain; where the processing of the multi-modal data by the fusion network includes: extracting a non-Euclidean spacial feature and an Euclidean spacial feature of the multi-modal data, and performing hypergraph fusion on the non-Euclidean spacial feature and the Euclidean spacial feature to acquire the feature parameters, where the feature parameters are used to characterize a brain connection matrix and/or a disease category of the brain.
    Type: Grant
    Filed: February 3, 2021
    Date of Patent: April 29, 2025
    Assignee: SHENZHEN INSTITUTES OF ADVANCED TECHNOLOGY
    Inventors: Shuqiang Wang, Qiankun Zuo, Min Gan
  • Patent number: 12276713
    Abstract: Provided is a quad-core radio-frequency coil circuit. The quad-core radio-frequency coil circuit includes a coil module (1) and a front-end module (2). The coil module (1) is configured to receive a nuclear magnetic test signal and, according to the nuclear magnetic test signal, generate an induction signal. The front-end module (2) is connected to the coil module (1) and configured to generate the nuclear magnetic test signal and collect the induction signal.
    Type: Grant
    Filed: July 23, 2020
    Date of Patent: April 15, 2025
    Assignee: SHENZHEN INSTITUTES OF ADVANCED TECHNOLOGY
    Inventors: Ye Li, Feng Du, Nan Li, Xing Yang, Qiaoyan Chen, Xin Liu, Hairong Zheng
  • Patent number: 12268870
    Abstract: The present invention provides a microelectrode, comprising a flexible layer, an electrically conductive layer and a plurality of platinum dendrite structures, wherein the electrically conductive layer is arranged in the flexible layer, and wherein on the surface of the flexible layer are a plurality of grooves within which the electrically conductive layer is revealed partially, and wherein each of the groove is provided with one platinum dendrite structure therein. The plurality of grooves serve as focal electrodes distributed uniformly, with smaller electrode sites and more recording points. The modified platinum dendrite structures increase the surface area, electrical performance, biocompatibility and service life of the microelectrode. Besides, creating virtual electrodes by current steering technique increases the number of stimuli received by microelectrode during use, and improves its resolution in applications.
    Type: Grant
    Filed: July 9, 2019
    Date of Patent: April 8, 2025
    Assignee: SHENZHEN INSTITUTES OF ADVANCED TECHNOLOGY
    Inventors: Qi Zeng, Tianzhun Wu
  • Patent number: 12258656
    Abstract: The present invention relates to a magnesium alloy material, which is an in situ magnesium hydroxide nanosheet layer modified magnesium alloy. The material is prepared from a magnesium alloy through a hydrothermal reaction under alkaline condition. The protective effect of the in situ formed magnesium hydroxide nanosheet layer structure results in remarkably enhanced corrosion resistance of the magnesium alloy, meanwhile the biocompatibility can also be significantly improved since the release rate of magnesium ion can be significantly reduced. In addition, the two-dimensional nanolayer structure has a non-releasing physical antibacterial property depending on contact. Therefore, the magnesium alloy material according to the present invention has an extremely great application prospect in the field of medical implant.
    Type: Grant
    Filed: September 30, 2019
    Date of Patent: March 25, 2025
    Assignee: SHENZHEN INSTITUTES OF ADVANCED TECHNOLOGY CHINESE ACADEMY OF SCIENCES
    Inventors: Guomin Wang, Huaiyu Wang, Kimho Paul Chu
  • Patent number: 12257458
    Abstract: The present application provides an ultrasonic wake-up system. The system includes an ultrasonic imaging device, an ultrasound stimulation device, and an ultrasound stimulation effect evaluation device, and acquires an ultrasonic image of a target object through the ultrasonic imaging device, transmits an ultrasound to the target object based on the ultrasonic image through the ultrasound stimulation device, and adjusts the transmitted ultrasound required through the ultrasound stimulation effect evaluation device. Therefore, peripheral nerves are accurately stimulated, an uplink reticular wake-up system is activated, so as to wake up patients with disorders of consciousness.
    Type: Grant
    Filed: May 30, 2023
    Date of Patent: March 25, 2025
    Assignee: SHENZHEN INSTITUTES OF ADVANCED TECHNOLOGY CHINESE ACADEMY OF SCIENCES
    Inventors: Hairong Zheng, Wei Zhou, Long Meng, Lili Niu, Zhengrong Lin, Xiaowei Huang, Junjie Zou
  • Patent number: 12254684
    Abstract: The present application is suitable for use in the technical field of computers, and provides a smart diagnosis assistance method and terminal based on medical images, comprising: acquiring a medical image to be classified; pre-processing the medical image to be classified to obtain a pre-processed image; and inputting the pre-processed image into a trained classification model for classification processing to obtain a classification type corresponding to the pre-processed image, the classification model comprising tensorized network layers and a second-order pooling module. As the trained classification model comprises tensor decomposed network layers and a second-order pooling module, when processing images on the basis of the classification model, more discriminative features related to pathologies can be extracted, increasing the accuracy of medical image classification.
    Type: Grant
    Filed: November 19, 2019
    Date of Patent: March 18, 2025
    Assignee: SHENZHEN INSTITUTES OF ADVANCED TECHNOLOGY CHINESE ACADEMY OF SCIENCES
    Inventors: Shuqiang Wang, Wen Yu, Yanyan Shen, Zhuo Chen
  • Patent number: 12224057
    Abstract: A medical image processing method and processing apparatus, and a computer readable storage medium. The method includes: obtaining a to-be-processed image; performing a feature extraction on the to-be-processed image to obtain a corresponding feature image; and re-determining a pixel value of each pixel in the to-be-processed image based on first information and second information of a corresponding pixel in the feature image, and processing the to-be-processed image; wherein the first information is information of a pixel adjacent to the corresponding pixel in the features image, and the second information is information of a pixel that is not adjacent to and is similar to the corresponding pixel in the features image.
    Type: Grant
    Filed: May 8, 2022
    Date of Patent: February 11, 2025
    Assignee: SHENZHEN INSTITUTES OF ADVANCED TECHNOLOGY
    Inventors: Na Zhang, Hairong Zheng, Xin Liu, Zhanli Hu, Zhiyuan Huang, Dong Liang
  • Patent number: 12223626
    Abstract: A method for denoising an image, an apparatus, and a computer-readable storage medium. The method includes: dividing a to-be-processed image into a plurality of image areas; for each image area, expanding an edge of the image area to obtain an expanded area; wherein the expanded area comprises the image area and an edge area, and the edge area comprises pixels in another image area adjacent to the image area; for each expanded area, performing denoising processing on the expanded area through a preset algorithm to obtain a denoised expanded area; wherein the denoised expanded area comprises a denoised image area and a denoised edge area; and abandoning the denoised edge area in each denoised expanded area, and retaining and combining all the denoised image areas to form a denoised image.
    Type: Grant
    Filed: April 29, 2022
    Date of Patent: February 11, 2025
    Assignee: SHENZHEN INSTITUTES OF ADVANCED TECHNOLOGY
    Inventors: Rongliang Chen, Xiaochuan Cai
  • Publication number: 20250040827
    Abstract: A multichannel endorectal coil for prostate MRI, a system, and a working method. The coil comprises a support body provided with a winding curved surface, a plurality of first endorectal coils (1, 2, 3) wrapped around the surface of the support body, and a second endorectal coil stacked on the plurality of first endorectal coils (1, 2, 3); wherein two adjacent first endorectal coils (1, 2, 3) are decoupled by means of partial overlapping, and two non-adjacent first endorectal coils (1, 2, 3) are decoupled by providing a shared capacitor (5); the second endorectal coil comprises a first coil section and a second coil section which are in intersecting connection with one another, the first coil section and the second coil section are arranged symmetrically, and no electrical connection exists at the intersection thereof. The invention increases the number of channels, and further achieves better high-resolution imaging capabilities.
    Type: Application
    Filed: October 21, 2024
    Publication date: February 6, 2025
    Applicant: SHENZHEN INSTITUTES OF ADVANCED TECHNOLOGY CHINESE ACADEMY OF SCIENCES
    Inventors: Ye LI, Zhiguang MO, Xiaoping ZHANG, Huageng LIANG, Chao LUO, Qiaoyan CHEN, Changjun TIE, Qi CAO, Wen XIAO
  • Publication number: 20250038393
    Abstract: The invention relates to a directional coupler, coupling high power and low power is used to replace existing two high-power directional couplers, thus reducing the cost and reducing the insertion loss of high-power radio frequency channels. The directional coupler cooperates with a control conditioning board, a splitter, a multi-path radio frequency power amplifier and a combiner to form the radio frequency power amplifier system, and the system is connected to a spectrometer; on one hand, by using a standard signal output by the spectrometer and a feedback signal of the directional coupler, nonlinearity caused by the power amplifier is corrected to achieve magnet-free linear radio frequency power amplification and anomaly protection; and on the other hand, the spectrometer can be used for monitoring the output power of the directional coupler and monitoring antenna matching, so as to provide dual protection for the radio frequency power amplifier system.
    Type: Application
    Filed: October 9, 2024
    Publication date: January 30, 2025
    Applicant: SHENZHEN INSTITUTES OF ADVANCED TECHNOLOGY
    Inventors: Hairong ZHENG, Xinwei RONG, Ye LI, Jiasheng WANG, Jifeng CHEN, Xing YANG