Patents by Inventor Shanling CUI

Shanling CUI 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).

  • BANKNOTE CLASSIFICATION AND IDENTIFICATION METHOD AND DEVICE BASED ON LAB COLOR SPACE
    Publication number: 20180005478
    Abstract: A method and a device for banknote classification and recognition based on a Lab color space are provided for improving the denomination recognition rate. The method includes obtaining an RGB image of a banknote to be detected; calculating gray values Gray R, Gray G and Gray B of the RGB image in red (R), green (G) and blue (B) wavebands; converting the gray values Gray R, Gray G and Gray B into gray values Gray a and Gray b in the Lab color space; and substituting a product of Gray a and Gray b and a difference between the absolute value of Gray a and the absolute value of Gray b into preset formulas to determine a category of the banknote to be detected.
    Type: Application
    Filed: June 29, 2015
    Publication date: January 4, 2018
    Applicant: GRG BANKING EQUIPMENT CO., LTD.
    Inventors: Jian CHEN, Shanling CUI, Qianwen WANG, Jing XU