Patents by Inventor Mitsuaki Shinba

Mitsuaki Shinba 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).

  • Video signal contour corrector
    Patent number: 7002636
    Abstract: A gray scale correction unit intended to provide a gray scale correction unit for preventing aliasing-like noise generation and gray-scale degradation of a gradation portion adaptively controls a correction value in accordance with the slope of a video signal, detects generation of aliasing-like noise, steepens an edge having a large amplitude without deterioration in the image quality, and improves a spatial frequency of the video signal.
    Type: Grant
    Filed: May 9, 2002
    Date of Patent: February 21, 2006
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Yuichi Ishikawa, Mitsuaki Shinba
  • Video signal contour corrector
    Publication number: 20030156224
    Abstract: A gray scale correction unit intended to provide a gray scale correction unit for preventing aliasing-like noise generation and gray-scale degradation of a gradation portion adaptively controls a correction value in accordance with the slope of a video signal, detects generation of aliasing-like noise, steepens an edge having a large amplitude without deterioration in the image quality, and improves a spatial frequency of the video signal.
    Type: Application
    Filed: March 4, 2003
    Publication date: August 21, 2003
    Inventors: Yuichi Ishikawa, Mitsuaki Shinba