Patents by Inventor Taoyuan Cheng

Taoyuan Cheng 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: 10803338
    Abstract: A method and apparatus for recognizing a character area in an image are provided. A specific embodiment of the method comprises: acquiring color values and position information of pixel points in a to-be-recognized image; clustering the pixel points based on the color values of the pixel points, the color values of the pixel points in each pixel point category being identical or similar; determining, for each category of clustered pixel points, outlines of connected regions including the pixel points in each category of pixel points, to obtain an outline set; and merging, based on the color values and the position information of the outlines in the outline set, the outlines, to obtain character areas in the image. The embodiment has improved the accuracy of recognizing character lines in recognizing characters in an image.
    Type: Grant
    Filed: October 15, 2018
    Date of Patent: October 13, 2020
    Assignee: Baidu Online Network Technology (Beijing) Co., Ltd.
    Inventors: Xin Chen, Jianzhong Gao, Chengjun Lei, Dongxue Wu, Linlin Yang, Taoyuan Cheng
  • Publication number: 20190050662
    Abstract: A method and apparatus for recognizing a character area in an image are provided. A specific embodiment of the method comprises: acquiring color values and position information of pixel points in a to-be-recognized image; clustering the pixel points based on the color values of the pixel points, the color values of the pixel points in each pixel point category being identical or similar; determining, for each category of clustered pixel points, outlines of connected regions including the pixel points in each category of pixel points, to obtain an outline set; and merging, based on the color values and the position information of the outlines in the outline set, the outlines, to obtain character areas in the image. The embodiment has improved the accuracy of recognizing character lines in recognizing characters in an image.
    Type: Application
    Filed: October 15, 2018
    Publication date: February 14, 2019
    Applicant: Baidu Online Network Technology (Beijing) Co., Ltd .
    Inventors: Xin Chen, Jianzhong Gao, Chengjun Lei, Dongxue Wu, Linlin Yang, Taoyuan Cheng