Patents by Inventor Dawei Zhong

Dawei Zhong 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).

  • Publication number: 20230086928
    Abstract: The light field reconstruction method includes: obtaining a human segmentation result via a pre-trained semantic segmentation network, and obtaining an object segmentation result according to a pre-obtained scene background; fusing multiple frames of depth maps to obtain a geometric model, obtaining a complete human model according to a pre-trained human model completion network, and registering the models by point cloud registration and fusing the registered models to obtain an object model, so as to obtain a complete human model with geometric details and the object model; tracking motion of a rigid object through point cloud registration; reconstructing the complete human model with geometric details through a human skeleton tracking and a non rigid tracking of human surface nodes; and performing a fusion operation in time sequence and obtaining a reconstructed human model and a reconstructed rigid object model through the fusion operation.
    Type: Application
    Filed: September 15, 2022
    Publication date: March 23, 2023
    Inventors: Lu FANG, Dawei ZHONG
  • Patent number: 11514607
    Abstract: The disclosure provides 3D reconstruction methods and devices. The method includes: obtaining data captured by the camera and data captured by the inertial measurement unit; obtaining a pose of the camera based on the data; obtaining an adjustment value of the pose of the camera and an adjustment value of bias of the inertial measurement unit; updating the pose of the camera based on the adjustment value of the pose of the camera; determining whether the adjustment value of bias of the inertial measurement unit is less than a preset value; in response to the adjustment value of bias of the inertial measurement unit being greater than or equal to the preset value, determining that a current loop for 3-dimensional reconstruction is an error loop; removing the error loop; and constructing a 3-dimensional model for surroundings of the camera based on the updated pose of the camera and remaining loops.
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: November 29, 2022
    Assignee: TSINGHUA UNIVERSITY
    Inventors: Lu Fang, Dawei Zhong, Qionghai Dai
  • Publication number: 20210110576
    Abstract: The disclosure provides 3D reconstruction methods and devices. The method includes: obtaining data captured by the camera and data captured by the inertial measurement unit; obtaining a pose of the camera based on the data; obtaining an adjustment value of the pose of the camera and an adjustment value of bias of the inertial measurement unit; updating the pose of the camera based on the adjustment value of the pose of the camera; determining whether the adjustment value of bias of the inertial measurement unit is less than a preset value; in response to the adjustment value of bias of the inertial measurement unit being greater than or equal to the preset value, determining that a current loop for 3-dimensional reconstruction is an error loop; removing the error loop; and constructing a 3-dimensional model for surroundings of the camera based on the updated pose of the camera and remaining loops.
    Type: Application
    Filed: September 29, 2020
    Publication date: April 15, 2021
    Inventors: Lu Fang, Dawei Zhong, Qionghai Dai