Patents Assigned to Shanghai United Imaging Healthcare Co., Ltd.
  • Method and system for processing multi-modality image
    Patent number: 11869202
    Abstract: The present disclosure provides a method and system for processing multi-modality images. The method may include obtaining multi-modality images; registering the multi-modality images; fusing the multi-modality images; generating a reconstructed image based on a fusion result of the multi-modality images; and determining a removal range with respect to a focus based on the reconstructed image. The multi-modality images may include at least three modalities. The multi-modality images may include a focus.
    Type: Grant
    Filed: June 14, 2021
    Date of Patent: January 9, 2024
    Assignee: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
    Inventors: Zhaoning Cheng, Rui Wang, Weiwen Nie
  • SYSTEMS AND METHODS FOR IMAGE SEGMENTATION
    Publication number: 20240005508
    Abstract: Systems and methods for image segmentation are provided. A system may obtain a first image of a subject. The system may obtain non-image information associated with at least one of the first image or the subject. The system may further determine a region of interest (ROI) of the first image based on the first image, the non-image information, and an image segmentation model.
    Type: Application
    Filed: September 15, 2023
    Publication date: January 4, 2024
    Applicant: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
    Inventor: Wei ZHANG
  • METHODS AND SYSTEMS FOR DOSE DISTRIBUTION PREDICTION
    Publication number: 20240001149
    Abstract: The present disclosure provides methods and systems for dose distribution prediction. The methods comprise obtaining historical state information and current state information of a target subject. The current state information may reflect the state of the target subject in a current treatment fraction, and the historical state information may reflect the state of the target subject prior to the current treatment fraction. The methods also comprise determining a feature parameter of at least one optimization target with respect to the current treatment fraction, and predicting a current dose distribution to be used in the current treatment fraction based on at least part of the historical state information, the current state information, and the feature parameter of the at least one optimization target using a dose prediction model, the dose prediction model being a trained machine learning model.
    Type: Application
    Filed: June 30, 2023
    Publication date: January 4, 2024
    Applicant: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
    Inventors: Kejun ZHAO, Runxin LIU, Shuo LIU, Binghuan LI
  • MAGNETIC RESONANCE IMAGING DEVICES AND RADIATION THERAPY SYSTEMS INCLUDING THE MAGNETIC RESONANCE IMAGING DEVICES
    Publication number: 20240004003
    Abstract: The present disclosure provides a magnetic resonance imaging (MRI) device. The MRI device may include a main magnet configured to generate a main magnetic field. The main magnet may form an accommodation space configured to accommodate a target object. The main magnet may include at least one group of main field coils. A direction of the main magnetic field generated by the at least one group of main field coils may form a preset angle with an axial direction of the accommodation space. The at least one group of main field coils may include a first group of main field coils and a second group of main field coils that are arranged oppositely along a radial direction of the accommodation space. Each of the first group of main field coils and the second group of main field coils may bend towards each other.
    Type: Application
    Filed: June 20, 2023
    Publication date: January 4, 2024
    Applicant: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
    Inventors: Shoubo HE, Cheng NI, Feichao FU, Peng WANG, Zongtai XIE
  • HOUSING FOR SHIELDING AND AN IMAGING APPARATUS USING THE SAME
    Publication number: 20240004014
    Abstract: A housing in an imaging apparatus is provided. The imaging apparatus may include a Magnetic Resonance (MR) component and a Positron Emission Tomography (PET) component that includes a plurality of detectors. The housing may include one or more enclosed spaces configured to accommodate the plurality of detectors of the PET component. Each of the one or more enclosed spaces is defined by one or more walls.
    Type: Application
    Filed: September 14, 2023
    Publication date: January 4, 2024
    Applicant: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
    Inventors: Guanghe WU, Haojie YI, Peng LIU
  • SYSTEMS, APPARATUSES, AND METHODS FOR DATA ACQUISITION IN PET
    Publication number: 20240000401
    Abstract: A method for data acquisition in PET may be provided. The method may include obtaining, based on outputs of multiple pairs of detectors of a Positron Emission Tomography (PET) scanner, coincidence events corresponding to multiple LORs. The outputs of the multiple pair of detectors may be acquired during a PET scan on a subject. The method may also include determining, based on a count of coincidence events corresponding to each LOR of at least a portion of the multiple LORs, a detection rate corresponding to the LOR.
    Type: Application
    Filed: September 17, 2023
    Publication date: January 4, 2024
    Applicant: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
    Inventor: Jun LI
  • SYSTEMS AND METHODS FOR CONTROLLING IMAGING DEVICE
    Publication number: 20240000410
    Abstract: The present disclosure is related to systems and methods for controlling an imaging device. The system may include an imaging device, a voice processing device, and a terminal. The imaging device may be configured to image a subject. The voice processing device may be configured to receive a first voice signal from or transmit a second voice signal to the subject when the subject is positioned within the imaging device. The terminal may be configured to receive a third voice signal from or transmit a fourth voice signal to a user.
    Type: Application
    Filed: September 18, 2023
    Publication date: January 4, 2024
    Applicant: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
    Inventors: Jia YANG, Yongqin XIAO
  • ELECTRON GUN
    Publication number: 20240006142
    Abstract: An electron gun may include a cathode with an emitting surface configured to emit electrons. The cathode may include a through hole that goes through the emitting surface and is configured to allow back-streaming electrons of the emitted electrons to pass through. The electron gun may also include an anode configured to attract the emitted electrons from the cathode to the anode and focus the emitted electrons into an electron beam. The electron gun may also include a grid structure configured to facilitate the focusing of the emitted electrons, the grid structure being positioned corresponding to the through hole.
    Type: Application
    Filed: December 11, 2022
    Publication date: January 4, 2024
    Applicant: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
    Inventors: Ruiying SONG, Peng CHENG
  • DEVICES, SYSTEMS, AND METHODS FOR IMAGE STITCHING
    Publication number: 20240005450
    Abstract: A method for image stitching is provided. The method may include obtaining a reference image of a first portion of a subject and a target image of a second portion of the subject, and determining at least one pair of feature points based on a preliminary registration accuracy. The first and second portions may at least partially overlap with each other. Each pair may include a reference feature point in the reference image and a target feature point in the target image that matches the reference feature point. For each pair, the method may further include determining an updated pair of feature points based on a superior registration accuracy higher than the preliminary registration accuracy and a neighboring region of the target feature point of the pair. The method may further include generating a stitched image based on the at least one updated pair.
    Type: Application
    Filed: September 18, 2023
    Publication date: January 4, 2024
    Applicant: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
    Inventors: Liang XU, Shurui ZHAO, Yang HU, Yecheng HAN, Wanli TENG
  • High voltage generator and control methods thereof
    Patent number: 11864302
    Abstract: A high voltage generator is provided. The high voltage generator includes an inverter circuit coupled to receive a direct-current (DC) input voltage, a resonant circuit coupled to the inverter circuit, a transformer coupled to the resonant circuit and also coupled to provide a high voltage output to a high voltage device, and a phase control circuit coupled to receive a voltage across and a current through the resonant circuit and also coupled to the inverter circuit. The phase control circuit generates control signals to drive the inverter circuit. The control signals drive the inverter circuit to keep the resonant circuit operating in an inductive region.
    Type: Grant
    Filed: September 6, 2021
    Date of Patent: January 2, 2024
    Assignees: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD., SHANGHAI ADVANCED RESEARCH INSTITUTE, CHINESE ACADEMY OF SCIENCES
    Inventors: Guoping Zhu, Xu Chu
  • Radio frequency power amplifier control device
    Patent number: 11863219
    Abstract: The present disclosure relates to a radio frequency power amplifier (RFPA) control device. The RFPA control device may include an input signal processing module configured to process an input signal into two signals. A first signal may be used for signal detection, and a second signal may be used for signal amplification. The RFPA control device may also include a delay module. The delay module may be disposed between the input signal processing module and an adjustment module. The delay module may be configured to determine a delay of the second signal such that the second signal and the control signal roughly simultaneously reach the adjustment module.
    Type: Grant
    Filed: November 1, 2021
    Date of Patent: January 2, 2024
    Assignee: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
    Inventors: Bin Cao, Xu Chu, Jifeng Chen, Peng Zhang, Yinqi Wang
  • System and method for processing medical image data
    Patent number: 11862325
    Abstract: This disclosure provides a system and a method. The method may include: determining a processing instruction; acquiring image data based on the processing instruction; determining a configuration file based on the image data, in which the configuration file may be configured to guide implementation of the processing instruction; constructing a data processing pipeline based on the configuration file; executing the data processing process based on the data processing pipeline, in which the data processing process may be generated based on the data processing pipeline; generating a processing result of the image data based on the executed data processing process; and storing the processing result of the image data in a first storage space.
    Type: Grant
    Filed: July 26, 2022
    Date of Patent: January 2, 2024
    Assignee: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
    Inventors: Zhongqi Zhang, Anling Ma
  • Imaging systems and methods
    Patent number: 11857357
    Abstract: The present disclosure provides an imaging system and method for nuclear medicine imaging. The imaging system may include a detector and a collimator. The detector may be configured to detect photons. The collimator may have at least two sets of pinholes. The at least two sets of pinholes may include a first set of first pinholes and a second set of second pinholes. Each second pinhole of the second set of second pinholes may be equipped with a filter configured to filter the photons.
    Type: Grant
    Filed: September 5, 2021
    Date of Patent: January 2, 2024
    Assignee: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
    Inventors: Wenying Wang, Tao Feng
  • Systems, apparatuses, and methods for the transit of superconducting magnets
    Patent number: 11860253
    Abstract: Systems, apparatuses, and methods for the transit of a superconducting magnet are provided. The apparatuses may include a compressor configured to compress a cryogen after the cryogen cools a superconducting magnet in the transit of the superconducting magnet. The compressed cryogen may be used to cool the superconducting magnet. The apparatuses may also include a power supply device configured to provide power to the compressor and a thermal management system configured to in thermal communication with the compressor. The apparatuses may further include a container configured to accommodate at least one of the compressor, the thermal management system, and the power supply device.
    Type: Grant
    Filed: July 22, 2020
    Date of Patent: January 2, 2024
    Assignee: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
    Inventors: Peng Wang, Jin Qian, Xijin Tan, Baogang Peng
  • Systems and methods for image processing
    Patent number: 11861856
    Abstract: Systems and methods for determining a target region of interest (ROI) for image registration is provided. The methods may include obtaining a target image of a subject including a target portion of the subject and obtaining feature information related to a movement of one or more feature portions of the subject. The methods may further include identifying, from the one or more feature portions, one or more reference portions of the subject based on the feature information. A position of the target portion of the subject is unrelated to a movement of the one or more reference portions. The methods may further include determining, in the target image, the target ROI based on corresponding feature information related to the one or more reference portions.
    Type: Grant
    Filed: June 27, 2020
    Date of Patent: January 2, 2024
    Assignee: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
    Inventor: Supratik Bose
  • SYSTEMS AND METHODS FOR CONTROLLING AN X-RAY TUBE FILAMENT
    Publication number: 20230414191
    Abstract: This application disclosures a method for calibrating filament current data of an X-ray tube. The method includes obtaining a first value of tube current to be calibrated and a value of filament current to be calibrated, the tube current to be calibrated and the filament current to be calibrated corresponding to a first calibration point; performing an emission operation based on the first value of the tube current to be calibrated and the value of the filament current to be calibrated; determining an actual value of the tube current during the emission operation; determining a difference between the actual value of the tube current and the first value of the tube current to be calibrated; and calibrating, based on the difference, the first calibration point.
    Type: Application
    Filed: September 11, 2023
    Publication date: December 28, 2023
    Applicant: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
    Inventors: Hua LI, Jiawen ZHOU, Yifeng JIANG, Tao HE, Yong YANG
  • SYSTEM AND METHOD FOR IMAGE CORRECTION
    Publication number: 20230419455
    Abstract: A system and method for image correction is provided. The method includes: receiving an original image including a metal artifact; pre-correcting the original image; generating correction data based on the original image and the pre-corrected image; weighting the original image and the pre-corrected image based on the correction data and a regularity degree of the metal artifact, the regularity degree of the metal artifact being associated with actual projection data of the metal artifact and ideal projection data of the metal artifact; and generating a corrected image based on the weighting.
    Type: Application
    Filed: September 11, 2023
    Publication date: December 28, 2023
    Applicant: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
    Inventors: Yi WANG, Wenjing CAO
  • Systems and methods for simultaneous multi-slice magnetic resonance imaging
    Patent number: 11852707
    Abstract: The present disclosure provides a system for SMS MRI. During each of a plurality of frames, the system may cause an MRI scanner to apply a plurality of PE steps to each of a plurality of slice locations of a subject to acquire echo signals. A phase modulation magnetic field gradient may be applied during each of at least some of the PE steps in the frame. For each frame, the system may reconstruct an aliasing image representative of the slice locations in the frame based on the corresponding echo signals. The system may also generate a plurality of reference slice images based on the aliasing images. The system may further reconstruct at least one slice image based on the aliasing images and the reference slice images. Each of the slice image may be representative of one of the slice locations in one of the frames.
    Type: Grant
    Filed: October 21, 2019
    Date of Patent: December 26, 2023
    Assignee: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
    Inventors: Yuan Zheng, Lele Zhao, Jian Xu, Weiguo Zhang
  • SYSTEMS AND METHODS FOR VOLUME RENDERING
    Publication number: 20230410413
    Abstract: The present disclosure relates to a method for image processing. The method may be implemented on a computing device having at least one storage device storing a set of instructions, and at least one processor in communication with the at least one storage device. The method may include for each stage of at least one stage of a target disease, determining a type of one or more regions of interest (ROIs) corresponding to the stage; generating a first distribution image indicating the distribution of the one or more ROIs corresponding to the stage in a subject by processing a structural image of the subject based on the type of the one or more ROIs; and generating a lesion detection result of the subject by processing a functional image of the subject based on the first distribution image corresponding to the stage.
    Type: Application
    Filed: June 10, 2023
    Publication date: December 21, 2023
    Applicant: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
    Inventors: Xiang LIU, Libo ZHANG
  • CONTROL DEVICES AND METHODS FOR CONTROLLING IMAGE DISPLAY
    Publication number: 20230409267
    Abstract: A control device used for controlling a display of a medical image sequence on a display device may be provided. The control device may include a touch control panel. The touch control panel may include a plurality of predetermined regions corresponding to a plurality of gesture instructions. The control device may be configured to receive a target gesture instruction with respect to a target predetermined region among the plurality of predetermined regions. In response to the target gesture instruction, the control device may be configured to generate a control signal for controlling the display device to perform a target operation on the medical image sequence based on a corresponding relationship between the plurality of gesture instructions and a plurality of operations of the display device.
    Type: Application
    Filed: June 20, 2023
    Publication date: December 21, 2023
    Applicant: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
    Inventor: Weiran ZHUANG