Patents by Inventor Xiaohong Xiang

Xiaohong Xiang 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).

  • Data block encoding method and apparatus
    Patent number: 11019343
    Abstract: A data block encoding method and apparatus are provided. The data block encoding method includes: determining whether a data block includes an intensive edge region, where the intensive edge region is a region including an image distortion generated by ring noise, and the data block is a data block in a to-be-encoded image; and when the data block includes an intensive edge region, reducing a value of a quantization parameter used for encoding the data block, and encoding the data block by using a reduced value of the quantization parameter, or dividing the data block into multiple coding units of different sizes according to different coding layers, adjusting rate-distortion costs of the multiple coding units of different sizes, and encoding the data block by using a coding unit with a minimum rate-distortion cost obtained after the adjustment.
    Type: Grant
    Filed: July 26, 2017
    Date of Patent: May 25, 2021
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Shaolin Chen, Xiaohong Xiang, Dongsheng Wu
  • DATA BLOCK ENCODING METHOD AND APPARATUS
    Publication number: 20180035116
    Abstract: A data block encoding method and apparatus are provided. The data block encoding method includes: determining whether a data block includes an intensive edge region, where the intensive edge region is a region including an image distortion generated by ring noise, and the data block is a data block in a to-be-encoded image; and when the data block includes an intensive edge region, reducing a value of a quantization parameter used for encoding the data block, and encoding the data block by using a reduced value of the quantization parameter, or dividing the data block into multiple coding units of different sizes according to different coding layers, adjusting rate-distortion costs of the multiple coding units of different sizes, and encoding the data block by using a coding unit with a minimum rate-distortion cost obtained after the adjustment.
    Type: Application
    Filed: July 26, 2017
    Publication date: February 1, 2018
    Inventors: Shaolin Chen, Xiaohong Xiang, Dongsheng Wu