Patents by Inventor Cheung Ming LAI

Cheung Ming LAI 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).

  • Wavelet-based image decolorization and enhancement
    Patent number: 9858495
    Abstract: The present invention relates to image processing. More particularly, the present invention provides methods for efficient image decolorization and color image enhancement. The methods of the present invention comprise decolorization in frequency domain, adaptive brightness control for an enhanced grayscale image and color image enhancement. The present invention is able to improve sharpness and fine details in both enhanced grayscale and color images.
    Type: Grant
    Filed: June 23, 2015
    Date of Patent: January 2, 2018
    Assignee: Hong Kong Applied Science and Technology Research
    Inventor: Cheung Ming Lai
  • Wavelet-based Image Decolorization and Enhancement
    Publication number: 20160379340
    Abstract: The present invention relates to image processing. More particularly, the present invention provides methods for efficient image decolorization and color image enhancement. The methods of the present invention comprise decolorization in frequency domain, adaptive brightness control for an enhanced grayscale image and color image enhancement. The present invention is able to improve sharpness and fine details in both enhanced grayscale and color images.
    Type: Application
    Filed: June 23, 2015
    Publication date: December 29, 2016
    Inventor: Cheung Ming LAI