Patents by Inventor Kuan Tian

Kuan Tian 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: 11922654
    Abstract: A computer device, obtains a mammographic image of a unilateral breast. The mammographic image includes a cranial-caudal (CC)-position mammographic image and a mediolateral-oblique (MLO)-position mammographic image. The computer device invokes a breast detection model to perform a prediction of a condition of the unilateral breast according to the CC-position mammographic image and the MLO-position mammographic image. The device obtains a prediction result of the unilateral breast, and generates and outputs a detection report that includes the prediction result.
    Type: Grant
    Filed: July 2, 2021
    Date of Patent: March 5, 2024
    Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
    Inventors: Kuan Tian, Cheng Jiang, Kezhou Yan, Rongbo Shen
  • Patent number: 11598162
    Abstract: A hydraulic rotary side-swing elevator includes an elevator body, a side swing mechanism and a rotating mechanism. Rotatable shafts are arranged on left and right sides of the elevator body. An inner hinge and an outer hinge are respectively provided on the two rotatable shafts. An inner hinge driving structure includes an inner hinge opening and closing cylinder and an opening and closing cylinder fixing seat. An outer hinge driving structure includes an outer hinge locking cylinder and a locking cylinder fixing seat. The opening and closing cylinder fixing seat and the locking cylinder fixing seat are arranged on a rear side wall of the elevator body. A cylinder barrel part of the inner hinge opening and closing cylinder is hinged on the opening and closing cylinder fixing seat, and a piston part of the inner hinge opening and closing cylinder is hinged to the inner hinge.
    Type: Grant
    Filed: November 2, 2021
    Date of Patent: March 7, 2023
    Assignee: HUANGSHAN HUANENG PETROCHEMICAL MACHINERY CO., LTD.
    Inventors: Kang Wang, Yang Li, Zulin Liu, Kuan Tian, Yingxiang Dong, Xiaodong Zhang
  • Publication number: 20230058876
    Abstract: An image processing method includes: acquiring a standard image matched with an image processing model; determining light field variation parameters of a use environment of the image processing model based on the standard image; determining an image training sample set based on the light field variation parameters, the image training sample set including images of different light field backgrounds; training a correction network of the image processing model through the image training sample set to obtain a model updating parameter adapted to the correction network, and generating a trained image processing model based on the model updating parameter; acquiring a single image in the use environment, and performing prediction processing on the single image through the trained image processing model to obtain light field information corresponding to the single image; and correcting a light field of the single image based on the light field information.
    Type: Application
    Filed: November 3, 2022
    Publication date: February 23, 2023
    Inventors: Jun ZHANG, Kuan TIAN, Han XIAO
  • Publication number: 20230005156
    Abstract: This application provides an artificial intelligence-based pathological image processing method performed by an electronic device. The method includes: determining a seed pixel of an immune cell region from a pathological image; obtaining a seed pixel mask image corresponding to the seed pixel of the immune cell region from the pathological image based on the seed pixel of the immune cell region; segmenting an epithelial cell region in the pathological image, to obtain an epithelial cell mask image of the pathological image; fusing the seed pixel mask image and the epithelial cell mask image of the pathological image, to obtain an effective seed pixel mask image corresponding to the immune cell region in the pathological image; and determining a ratio value of the immune cell region in the pathological image based on the effective seed pixel mask image.
    Type: Application
    Filed: September 6, 2022
    Publication date: January 5, 2023
    Inventors: Liang WANG, Kaiwen XIAO, Kuan TIAN, Jianhua YAO
  • Patent number: 11501431
    Abstract: An image processing method performed by a terminal is provided. A molybdenum target image is obtained, and a plurality of candidate regions are extracted from the molybdenum target image. In the molybdenum target image, a target region is marked in the plurality of candidate regions by using a neural network model obtained by deep learning training, a probability that a lump comprised in the target region is a target lump being greater than a first threshold, a probability that the target lump is a malignant tumor being greater than a second threshold, and the neural network model being used for indicating a mapping relationship between a candidate region and a probability that a lump comprised in the candidate region is the target lump.
    Type: Grant
    Filed: June 18, 2020
    Date of Patent: November 15, 2022
    Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LTD
    Inventors: Fen Xiao, Jia Chang, Xuan Zhou, Ke Zhou Yan, Cheng Jiang, Kuan Tian, Jian Ping Zhu
  • Publication number: 20220222932
    Abstract: Embodiments of this application disclose a method and apparatus for training an image region segmentation model, and an image region segmentation method and apparatus. The method includes acquiring a sample image set, and each image of the sample image set having first annotation information; generating graph structure data corresponding to a sample image in the sample image set, the graph structure data comprising multiple nodes, and each node comprising at least one pixel in the sample image; determining second annotation information of each node according to the graph structure data and the first annotation information corresponding to the sample image by using a graph convolutional network model, a granularity of the second annotation information being smaller than a granularity of the first annotation information, the graph convolutional network model being a part of an image segmentation model; and training the image segmentation model according to the second annotation information.
    Type: Application
    Filed: March 29, 2022
    Publication date: July 14, 2022
    Applicant: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
    Inventors: Jun ZHANG, Kuan TIAN, Kezhou YAN, Jianhua YAO, Xiao HAN
  • Publication number: 20220207744
    Abstract: The disclosure provides an image processing method and apparatus. The method may include acquiring a target image having at least two division regions. The division region includes an annotation point, and the annotation point is corresponding to a target segmentation object. The method may further include performing iterative expansion on the annotation points to obtain an iterative expansion region. The method may further include determining a first loss result between the iterative expansion region and the division region and a second loss result between the iterative expansion region and the annotation point. The method may further include, when the first loss result and the second loss result meeting a termination condition, stopping the iterative expansion to obtain a resulting iterative expansion region. The method may further include determining the resulting iterative expansion region as a region where the target segmentation object is located in the target image.
    Type: Application
    Filed: March 17, 2022
    Publication date: June 30, 2022
    Applicant: Tencent Technology (Shenzhen) Company Limited
    Inventors: Kuan TIAN, Jun ZHANG
  • Publication number: 20220136342
    Abstract: A hydraulic rotary side-swing elevator includes an elevator body, a side swing mechanism and a rotating mechanism. Rotatable shafts are arranged on left and right sides of the elevator body. An inner hinge and an outer hinge are respectively provided on the two rotatable shafts. An inner hinge driving structure includes an inner hinge opening and closing cylinder and an opening and closing cylinder fixing seat. An outer hinge driving structure includes an outer hinge locking cylinder and a locking cylinder fixing seat. The opening and closing cylinder fixing seat and the locking cylinder fixing seat are arranged on a rear side wall of the elevator body. A cylinder barrel part of the inner hinge opening and closing cylinder is hinged on the opening and closing cylinder fixing seat, and a piston part of the inner hinge opening and closing cylinder is hinged to the inner hinge.
    Type: Application
    Filed: November 2, 2021
    Publication date: May 5, 2022
    Applicant: Huangshan Huaneng Petrochemical Machinery Co., Ltd.
    Inventors: KANG WANG, YANG LI, ZULIN LIU, KUAN TIAN, YINGXIANG DONG, XIAODONG ZHANG
  • Publication number: 20210374474
    Abstract: The present disclosure relates to a method for training a neural network model performed at an electronic device. The method includes: performing initial training by using a first training sample set to obtain an initial neural network model; performing a prediction on a second training sample set by using the initial neural network model to obtain a prediction result of each of training samples in the second training sample set; determining a plurality of preferred samples from the second training sample set based on the prediction results; adding the plurality of preferred samples that are annotated to the first training sample set to obtain an expanded first training sample set; updating training of the initial neural network model by using the expanded first training sample set to obtain an updated neural network model until a training ending condition is satisfied.
    Type: Application
    Filed: August 11, 2021
    Publication date: December 2, 2021
    Inventors: Rongbo SHEN, Kezhou YAN, Kuan TIAN, Cheng JIANG, Ke ZHOU
  • Publication number: 20210343016
    Abstract: A medical image processing method includes: obtaining a biological tissue image including a biological tissue, recognizing, in the biological tissue image, a first region of a lesion object in the biological tissue; recognizing a lesion attribute matching the lesion object; dividing an image region of the biological tissue in the biological tissue image into a plurality of quadrant regions; obtaining target quadrant position information of a quadrant region in which the first region is located; and generating medical service data according to the target quadrant position information and the lesion attribute.
    Type: Application
    Filed: July 2, 2021
    Publication date: November 4, 2021
    Inventors: Kuan TIAN, Cheng JIANG
  • Publication number: 20210338179
    Abstract: A computer device, obtains a mammographic image of a unilateral breast. The mammographic image includes a cranial-caudal (CC)-position mammographic image and a mediolateral-oblique (MLO)-position mammographic image. The computer device invokes a breast detection model to perform a prediction of a condition of the unilateral breast according to the CC-position mammographic image and the MLO-position mammographic image. The device obtains a prediction result of the unilateral breast, and generates and outputs a detection report that includes the prediction result.
    Type: Application
    Filed: July 2, 2021
    Publication date: November 4, 2021
    Inventors: Kuan TIAN, Cheng JIANG, Kezhou YAN, Rongbo SHEN
  • Publication number: 20210343021
    Abstract: A medical image region screening method and apparatus and a storage medium are provided. The method includes: obtaining a medical image of biological tissue, segmenting tissue regions of a plurality of tissue types from the medical image, selecting, from the tissue regions of the plurality of tissue types based on types of capturing positions of the medical image, a reserved region, obtaining a positional relationship between the reserved region and a predicted lesion region in the medical image; and screening for the predicted lesion region in the medical image based on the positional relationship, to obtain a target lesion region.
    Type: Application
    Filed: July 2, 2021
    Publication date: November 4, 2021
    Inventors: Cheng JIANG, Kuan TIAN
  • Publication number: 20210319258
    Abstract: Provided are an artificial intelligence (AI)-based method and apparatus for training a classification task model, a device, and a storage medium, which relate to the field of machine learning (ML) technologies. The method includes: training an initial feature extractor by using a first dataset to obtain a feature extractor, the first dataset being a class imbalanced dataset; constructing a generative adversarial network, the generative adversarial network including the feature extractor and an initial feature generator; training the generative adversarial network by using second class samples to obtain a feature generator; constructing a classification task model, the classification task model including the feature generator and the feature extractor; and training the classification task model by using the first dataset, the feature generator being configured to augment the second class samples in a feature space in a training process of the classification task model.
    Type: Application
    Filed: June 23, 2021
    Publication date: October 14, 2021
    Applicant: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
    Inventors: Rong Bo SHEN, Ke ZHOU, Kuan TIAN, Ke Zhou YAN, Cheng JIANG
  • Publication number: 20200320701
    Abstract: An image processing method performed by a terminal is provided. A molybdenum target image is obtained, and a plurality of candidate regions are extracted from the molybdenum target image. In the molybdenum target image, a target region is marked in the plurality of candidate regions by using a neural network model obtained by deep learning training, a probability that a lump comprised in the target region is a target lump being greater than a first threshold, a probability that the target lump is a malignant tumor being greater than a second threshold, and the neural network model being used for indicating a mapping relationship between a candidate region and a probability that a lump comprised in the candidate region is the target lump.
    Type: Application
    Filed: June 18, 2020
    Publication date: October 8, 2020
    Applicant: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
    Inventors: Fen Xiao, Jia Chang, Xuan Zhou, Ke Zhou Yan, Cheng Jiang, Kuan Tian, Jian Ping Zhu
  • Patent number: D978026
    Type: Grant
    Filed: June 17, 2021
    Date of Patent: February 14, 2023
    Assignee: Tianjin Jidian Road Technology Co., Ltd.
    Inventors: Kuan Tian, Changpeng Li, Qing Liu, Ning Dong