Patents by Inventor Powel Talwar

Powel Talwar 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).

  • Alpha-matting based retinal vessel extraction
    Patent number: 9675247
    Abstract: Retinal vessel extraction on color images of eyes are disclosed. In one embodiment, the method comprises performing alpha matting on a multi-dimensional feature set derived from image data of a first image and performing retinal vessel extraction, including performing segmentation on the image by separating foreground and background image data from the first image using an output from the alpha matting.
    Type: Grant
    Filed: December 5, 2014
    Date of Patent: June 13, 2017
    Assignee: RICOH CO., LTD.
    Inventors: Powel Talwar, Mithun Das Gupta
  • ALPHA-MATTING BASED RETINAL VESSEL EXTRACTION
    Publication number: 20160163041
    Abstract: Retinal vessel extraction on color images of eyes are disclosed. In one embodiment, the method comprises performing alpha matting on a multi-dimensional feature set derived from image data of a first image and performing retinal vessel extraction, including performing segmentation on the image by separating foreground and background image data from the first image using an output from the alpha matting.
    Type: Application
    Filed: December 5, 2014
    Publication date: June 9, 2016
    Inventors: Powel Talwar, Mithun Das Gupta