Patents by Inventor Tianchu GUO

Tianchu GUO 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: 11747898
    Abstract: A gaze estimation method and apparatus is disclosed. The gaze estimation method includes obtaining an image including an eye region of a user, extracting, from the obtained image, a first feature of data, obtaining a second feature of data used for calibration of a neural network model, and estimating a gaze of the user using the first feature and the second feature.
    Type: Grant
    Filed: August 5, 2021
    Date of Patent: September 5, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Xiabing Liu, Hui Zhang, Jae-Joon Han, Changkyu Choi, Tianchu Guo
  • Patent number: 11688105
    Abstract: A processor implemented method of processing a facial expression image, the method includes controlling a camera to capture a first facial expression image and a second facial expression image, acquiring a first expression feature of the first facial expression image, acquiring a second expression feature of the second facial expression image, generating a new expression feature dependent on differences between the acquired first expression feature and the acquired second expression feature, and adjusting a target facial expression image based on the new expression feature.
    Type: Grant
    Filed: December 2, 2020
    Date of Patent: June 27, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Tianchu Guo, Youngsung Kim, Hui Zhang, Byungin Yoo, Chang Kyu Choi, Jae-Joon Han, Jingtao Xu, Deheng Qian
  • Patent number: 11514602
    Abstract: A gaze estimation method includes receiving, by a processor, input data including a current image and a previous image each including a face of a user, determining, by the processor, a gaze mode indicating a relative movement between the user and a camera that captured the current image and the previous image based on the input data, and estimating, by the processor, a gaze of the user based on the determined gaze mode, wherein the determined gaze mode is one of a plurality of gaze modes comprising a stationary mode and a motion mode.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: November 29, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Tianchu Guo, Hui Zhang, Xiabing Liu, Chang Kyu Choi, Jaejoon Han, Yongchao Liu
  • Patent number: 11347308
    Abstract: A gaze tracking method and apparatus, and a gaze tracking neural network training method and apparatus are provided. The gaze tracking apparatus includes one or more processors and a memory, and the one or more processors obtain output position information from an input face image of a user using a neural network model, determines a position adjustment parameter for the user, and predicts gaze position information of the user by adjusting the output position information based on the position adjustment parameter.
    Type: Grant
    Filed: July 24, 2020
    Date of Patent: May 31, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yongchao Liu, Hui Zhang, Xiabing Liu, Byung In Yoo, Chang Kyu Choi, Jaejoon Han, Youngjun Kwak, Tianchu Guo
  • Publication number: 20210366152
    Abstract: A gaze estimation method and apparatus is disclosed. The gaze estimation method includes obtaining an image including an eye region of a user, extracting, from the obtained image, a first feature of data, obtaining a second feature of data used for calibration of a neural network model, and estimating a gaze of the user using the first feature and the second feature.
    Type: Application
    Filed: August 5, 2021
    Publication date: November 25, 2021
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Xiabing Liu, Hui Zhang, Jae-Joon Han, Changkyu Choi, Tianchu Guo
  • Patent number: 11113842
    Abstract: A gaze estimation method and apparatus is disclosed. The gaze estimation method includes obtaining an image including an eye region of a user, extracting, from the obtained image, a first feature of data, obtaining a second feature of data used for calibration of a neural network model, and estimating a gaze of the user using the first feature and the second feature.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: September 7, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Xiabing Liu, Hui Zhang, Jae-Joon Han, Changkyu Choi, Tianchu Guo
  • Publication number: 20210224511
    Abstract: An image processing method and apparatus using a neural network are provided. The image processing method includes generating a plurality of augmented features by augmenting an input feature, and generating a prediction result based on the plurality of augmented features.
    Type: Application
    Filed: January 20, 2021
    Publication date: July 22, 2021
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Tianchu GUO, Hui ZHANG, Xiabing LIU, ByungIn YOO, ChangKyu CHOI, Jaejoon HAN, YoungJun KWAK, Yongchao LIU
  • Publication number: 20210089760
    Abstract: A processor implemented method of processing a facial expression image, the method includes controlling a camera to capture a first facial expression image and a second facial expression image, acquiring a first expression feature of the first facial expression image, acquiring a second expression feature of the second facial expression image, generating a new expression feature dependent on differences between the acquired first expression feature and the acquired second expression feature, and adjusting a target facial expression image based on the new expression feature.
    Type: Application
    Filed: December 2, 2020
    Publication date: March 25, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Tianchu GUO, Youngsung KIM, Hui ZHANG, Byungin YOO, Chang Kyu CHOI, Jae-Joon HAN, Jingtao XU, Deheng QIAN
  • Publication number: 20210026446
    Abstract: A gaze tracking method and apparatus, and a gaze tracking neural network training method and apparatus are provided. The gaze tracking apparatus includes one or more processors and a memory, and the one or more processors obtain output position information from an input face image of a user using a neural network model, determines a position adjustment parameter for the user, and predicts gaze position information of the user by adjusting the output position information based on the position adjustment parameter.
    Type: Application
    Filed: July 24, 2020
    Publication date: January 28, 2021
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Yongchao LIU, Hui ZHANG, Xiabing LIU, Byung In YOO, Chang Kyu CHOI, Jaejoon HAN, Youngjun KWAK, Tianchu GUO
  • Patent number: 10860841
    Abstract: A processor implemented method of processing a facial expression image, the method includes acquiring an expression feature of each of at least two reference facial expression images; generating a new expression feature based on an interpolation value of the expression feature; and adjusting a target facial expression image based on the new expression feature and creating a new facial expression image.
    Type: Grant
    Filed: December 11, 2017
    Date of Patent: December 8, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Tianchu Guo, Youngsung Kim, Hui Zhang, Byungin Yoo, Chang Kyu Choi, Jae-Joon Han, Jingtao Xu, Deheng Qian
  • Publication number: 20200202561
    Abstract: A gaze estimation method and apparatus is disclosed. The gaze estimation method includes obtaining an image including an eye region of a user, extracting, from the obtained image, a first feature of data, obtaining a second feature of data used for calibration of a neural network model, and estimating a gaze of the user using the first feature and the second feature.
    Type: Application
    Filed: December 20, 2019
    Publication date: June 25, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Xiabing LIU, Hui ZHANG, Jae-Joon HAN, Changkyu CHOI, Tianchu GUO
  • Publication number: 20200202562
    Abstract: A gaze estimation method includes receiving, by a processor, input data including a current image and a previous image each including a face of a user, determining, by the processor, a gaze mode indicating a relative movement between the user and a camera that captured the current image and the previous image based on the input data, and estimating, by the processor, a gaze of the user based on the determined gaze mode, wherein the determined gaze mode is one of a plurality of gaze modes comprising a stationary mode and a motion mode.
    Type: Application
    Filed: December 20, 2019
    Publication date: June 25, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Tianchu GUO, Hui ZHANG, Xiabing LIU, Chang Kyu CHOI, Jaejoon HAN, Yongchao LIU
  • Patent number: 10528846
    Abstract: A method to analyze a facial image includes: inputting a facial image to a residual network including residual blocks that are sequentially combined and arranged in a direction from an input to an output; processing the facial image using the residual network; and acquiring an analysis map from an output of an N-th residual block among the residual blocks using a residual deconvolution network, wherein the residual network transfers the output of the N-th residual block to the residual deconvolution network, and N is a natural number that is less than a number of all of the residual blocks, and wherein the residual deconvolution network includes residual deconvolution blocks that are sequentially combined, and the residual deconvolution blocks correspond to respective residual blocks from a first residual block among the residual blocks to the N-th residual block.
    Type: Grant
    Filed: October 27, 2017
    Date of Patent: January 7, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Youngsung Kim, Byungin Yoo, Deheng Qian, Hui Zhang, Chang Kyu Choi, He Zheng, Jae-Joon Han, Jingtao Xu, Tianchu Guo
  • Publication number: 20190212815
    Abstract: A user trigger intent determining method and apparatus is disclosed. The user trigger intent determining apparatus may obtain a first face image, obtain a second face image after a visual stimuli object is displayed, and determine a final gaze location by correcting a first gaze location estimated from the first face image based on a second gaze location estimated from the second face image.
    Type: Application
    Filed: January 9, 2019
    Publication date: July 11, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Hui ZHANG, Tianchu GUO, Deheng QIAN, Xiabing LIU, Youngsung KIM, Byung In YOO, JaeJoon HAN, ChangKyu CHOI
  • Publication number: 20180189553
    Abstract: A processor implemented method of processing a facial expression image, the method includes acquiring an expression feature of each of at least two reference facial expression images; generating a new expression feature based on an interpolation value of the expression feature; and adjusting a target facial expression image based on the new expression feature and creating a new facial expression image.
    Type: Application
    Filed: December 11, 2017
    Publication date: July 5, 2018
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Tianchu GUO, Youngsung KIM, Hui ZHANG, Byungin YOO, Chang Kyu CHOI, Jae-Joon HAN, Jingtao XU, Deheng QIAN
  • Publication number: 20180137388
    Abstract: A method to analyze a facial image includes: inputting a facial image to a residual network including residual blocks that are sequentially combined and arranged in a direction from an input to an output; processing the facial image using the residual network; and acquiring an analysis map from an output of an N-th residual block among the residual blocks using a residual deconvolution network, wherein the residual network transfers the output of the N-th residual block to the residual deconvolution network, and N is a natural number that is less than a number of all of the residual blocks, and wherein the residual deconvolution network includes residual deconvolution blocks that are sequentially combined, and the residual deconvolution blocks correspond to respective residual blocks from a first residual block among the residual blocks to the N-th residual block.
    Type: Application
    Filed: October 27, 2017
    Publication date: May 17, 2018
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Youngsung KIM, Byungin YOO, Deheng QIAN, Hui ZHANG, Chang Kyu CHOI, He ZHENG, Jae-Joon HAN, Jingtao XU, Tianchu GUO