Patents by Inventor Yixuan Yuan

Yixuan Yuan has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11963788
    Abstract: The present invention provides a graph-based prostate diagnosis network (GPD-Net) and a method for using the same to predict a prostate health status of a patient from a 3D magnetic resonance imaging (MRI) scan containing a plurality of 2D MRI slices. The GPD-Net only demands patient-level annotations of MRI scan for training by formulating the diagnosis task of 3D prostate MRI scan in a multi-instance learning (MIL) strategy, and regarding each 2D MRI slice in the 3D prostate MRI scan as an instance. The GPD-Net includes a plurality of importance-guided graph convolutional layers to explore the diagnostic information with the importance-based topology. The present invention provides accurate prediction of prostate diseases and achieve more reliable diagnosis from MRI scans, therefore can effectively alleviate the workload of clinician in viewing the slices of MRI scan.
    Type: Grant
    Filed: December 17, 2021
    Date of Patent: April 23, 2024
    Assignee: City University of Hong Kong
    Inventors: Yixuan Yuan, Zhen Chen
  • Patent number: 11961618
    Abstract: The present invention provides a task interaction network which can jointly perform, based on multi parametric-magnetic resonance imaging scan images, a segmentation task to locate prostate cancer areas and a classification task to access aggressiveness of lesions. The task interaction network comprises a backbone network, an auxiliary segmentation branch, a classification branch having a lesion awareness module, and a main segmentation branch having a category allocation module. The auxiliary segmentation branch is utilized to predict an initial lesion mask as location guidance information for the classification branch to perform the classification task. The lesion awareness module is configured to refine the initial lesion mask to make it more accurate. Moreover, weights used in classification branch can serve as the category prototypes for generating category guidance features via the category allocation module to assist the main segmentation branch to perform the segmentation task.
    Type: Grant
    Filed: November 17, 2021
    Date of Patent: April 16, 2024
    Assignee: City University of Hong Kong
    Inventors: Yixuan Yuan, Meilu Zhu
  • Publication number: 20230190179
    Abstract: The present invention provides a graph-based prostate diagnosis network (GPD-Net) and a method for using the same to predict a prostate health status of a patient from a 3D magnetic resonance imaging (MRI) scan containing a plurality of 2D MRI slices. The GPD-Net only demands patient-level annotations of MRI scan for training by formulating the diagnosis task of 3D prostate MRI scan in a multi-instance learning (MIL) strategy, and regarding each 2D MRI slice in the 3D prostate MRI scan as an instance. The GPD-Net includes a plurality of importance-guided graph convolutional layers to explore the diagnostic information with the importance-based topology. The present invention provides accurate prediction of prostate diseases and achieve more reliable diagnosis from MRI scans, therefore can effectively alleviate the workload of clinician in viewing the slices of MRI scan.
    Type: Application
    Filed: December 17, 2021
    Publication date: June 22, 2023
    Inventors: Yixuan YUAN, Zhen CHEN
  • Publication number: 20230177692
    Abstract: The present invention provides an unsupervised domain adaptive segmentation network comprises a feature extractor configured for extracting features from a 3D MRI scan image; a decorrelation and whitening module configured for preforming decorrelation and whitening transformation on the extracted features to obtain whitened features; a domain-specific feature translation module configured for translating domain-specific features from a source domain into a target domain for adapting the unsupervised domain adaptive network to the target domain; and a classifier configured for projecting the whitened features into a zonal segmentation prediction. By implementing the domain-specific feature translation module for transferring the knowledge learned from the labeled source domain data to unlabeled target domain data, domain gap between the source and target data can be narrowed.
    Type: Application
    Filed: December 6, 2021
    Publication date: June 8, 2023
    Inventors: Yixuan YUAN, Xiaoqing GUO
  • Publication number: 20230172091
    Abstract: A method for performing a crop yield estimation using a semi-supervised deep convolution neural network is provided. The method includes receiving monitoring data from a drone, wherein the monitoring data comprises a video of the crops captured by the drone; sampling the video by a predefined frame rate to obtain one or more images; inputting the images to a crop yield estimation model to obtain one or more result data, wherein the crop yield estimation model comprises a generator and a discriminator each comprising one or more DCNNs, and wherein the crop yield estimation model is trained by a semi-supervised learning method; and performing a quantity estimation and a quality estimation corresponding to the crops as shown in the images according to the one or more result data, so as to determine a total number and maturities of the crops respectively.
    Type: Application
    Filed: December 2, 2021
    Publication date: June 8, 2023
    Inventors: Yixuan YUAN, Xiaochun MAI
  • Publication number: 20230154610
    Abstract: The present invention provides a task interaction network which can jointly perform, based on multi parametric-magnetic resonance imaging scan images, a segmentation task to locate prostate cancer areas and a classification task to access aggressiveness of lesions. The task interaction network comprises a backbone network, an auxiliary segmentation branch, a classification branch having a lesion awareness module, and a main segmentation branch having a category allocation module. The auxiliary segmentation branch is utilized to predict an initial lesion mask as location guidance information for the classification branch to perform the classification task. The lesion awareness module is configured to refine the initial lesion mask to make it more accurate. Moreover, weights used in classification branch can serve as the category prototypes for generating category guidance features via the category allocation module to assist the main segmentation branch to perform the segmentation task.
    Type: Application
    Filed: November 17, 2021
    Publication date: May 18, 2023
    Inventors: Yixuan YUAN, Meilu ZHU
  • Publication number: 20220343473
    Abstract: A system and method for generating a stained image including the steps of obtaining a first image of a key sample section; and processing the first image with a multi-modal stain learning engine arranged to generate at least one stained image, wherein the at least one stained image represents the key sample section stained with at least one stain.
    Type: Application
    Filed: April 27, 2021
    Publication date: October 27, 2022
    Inventors: Condon Lau, Tik Ho Hui, Yixuan Yuan, Zhen Chen, Chi Shing Cho, Wah Cheuk, Wing Lun Law, Mohamad Ali Marashli, Anupam Pani, Fraser Hill
  • Patent number: 11238583
    Abstract: A system and method for generating a stained image including the steps of obtaining a first image of a key sample section; and processing the first image with a stain learning engine arranged to generate at least one stained image, wherein the at least one stained image represents the key sample section stained with at least one stain.
    Type: Grant
    Filed: March 25, 2020
    Date of Patent: February 1, 2022
    Assignee: City University of Hong Kong
    Inventors: Condon Lau, Yixuan Yuan, Chi Shing Cho, Wah Cheuk, Wan San Victor Ma, Wing Lun Law
  • Publication number: 20210304401
    Abstract: A system and method for generating a stained image including the steps of obtaining a first image of a key sample section; and processing the first image with a stain learning engine arranged to generate at least one stained image, wherein the at least one stained image represents the key sample section stained with at least one stain.
    Type: Application
    Filed: March 25, 2020
    Publication date: September 30, 2021
    Inventors: Condon Lau, Yixuan Yuan, Chi Shing Cho, Wah Cheuk, Wan San Victor Ma, Wing Lun Law