Patents by Inventor Eriko Yabe

Eriko Yabe 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).

  • Publication number: 20230051479
    Abstract: A video display device includes performs a first Retinex process on an inputted video and a second Retinex process, which is different from the first Retinex process, on the inputted video. A video composing unit is configured to compose a video processed by the first Retinex processing unit and a video processed by the second Retinex processing unit in accordance with a feature of the inputted video, which is then displayed. In a process of composing the video processed by the first and second Retinex processing units, the video composing unit is configured to perform a process of converting a luminance level for each pixel so that more output luminance levels are assigned to a luminance band having a large frequency distribution to improve visibility of the video. A gain of the luminance level converting process is varied in accordance with an average pixel value level of the inputted video.
    Type: Application
    Filed: October 10, 2019
    Publication date: February 16, 2023
    Inventors: Hiroshi AOKI, Mitsuo NAKAJIMA, Satomi FURUHATA, Eriko YABE, Atsushi KATO, Naoya OKA
  • Patent number: D287562
    Type: Grant
    Filed: July 9, 1984
    Date of Patent: January 6, 1987
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Kazuo Takada, Tadanori Fujiwara, Miyo Izumi, Yayoi Ogata, Hitomi Mikami, Eriko Yabe