Patents by Inventor Yuzhen Du

Yuzhen Du 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).

  • Paper money identification method and device
    Patent number: 9483895
    Abstract: The disclosure discloses a paper money identification method and device. The paper money identification method comprises: obtaining entire grayscale image data of the paper money to be tested; dividing the entire grayscale image of the paper money to be tested into a plurality of areas; comparing the feature value of each area with feature value of a corresponding area in a paper money template to judge whether the two compared areas are matched; counting the number of unmatched areas of the paper money to be tested; judging whether the number of the unmatched areas is greater than a second preset threshold; and determining that the paper money to be tested is the altered money when the number of the unmatched areas is judged to be greater than the second preset threshold. By the disclosure, the accuracy of identifying the altered money is improved.
    Type: Grant
    Filed: August 21, 2013
    Date of Patent: November 1, 2016
    Assignee: Shandong New Beiyang Information Technology Co., Ltd.
    Inventors: Xiangang Zhu, Chuntao Wang, Yuzhen Du, Yingchan Jiang
  • PAPER MONEY IDENTIFICATION METHOD AND DEVICE
    Publication number: 20150206372
    Abstract: The disclosure discloses a paper money identification method and device. The paper money identification method comprises: obtaining entire grayscale image data of the paper money to be tested; dividing the entire grayscale image of the paper money to be tested into a plurality of areas; comparing the feature value of each area with feature value of a corresponding area in a paper money template to judge whether the two compared areas are matched; counting the number of unmatched areas of the paper money to be tested; judging whether the number of the unmatched areas is greater than a second preset threshold; and determining that the paper money to be tested is the altered money when the number of the unmatched areas is judged to be greater than the second preset threshold. By the disclosure, the accuracy of identifying the altered money is improved.
    Type: Application
    Filed: August 21, 2013
    Publication date: July 23, 2015
    Inventors: Xiangang Zhu, Chuntao Wang, Yuzhen Du, Yingchan Jiang