Patents by Inventor Shigeru Eiho

Shigeru Eiho 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).

  • Image-processing method and recording medium in which such an image-processing method is recorded
    Patent number: 6924839
    Abstract: In a sharpening process of image data using a Laplacian operation, a parameter k for controlling the size of a Laplacian to be subtracted from an original image, a parameter ? for suppressing influences of noise and a parameter ? for suppressing an overshoot and an undershoot are respectively provided, and these parameters are altered in accordance with the state of an original image. Thus, it becomes possible to carry out the sharpening process on the image data without causing emphasized noise and occurrences of an overshoot and an undershoot.
    Type: Grant
    Filed: December 20, 2000
    Date of Patent: August 2, 2005
    Assignee: Noritsu Koki Co., Ltd.
    Inventors: Shigeru Eiho, Kuraji Nitta, Shoichi Dedachi
  • Image-processing method and recording medium in which such an image-processing method is recorded
    Publication number: 20010022622
    Abstract: In a sharpening process of image data using a Laplacian operation, a parameter k for controlling the size of a Laplacian to be subtracted from an original image, a parameter &thgr; for suppressing influences of noise and a parameter &lgr; for suppressing an overshoot and an undershoot are respectively provided, and these parameters are altered in accordance with the state of an original image. Thus, it becomes possible to carry out the sharpening process on the image data without causing emphasized noise and occurrences of an overshoot and an undershoot.
    Type: Application
    Filed: December 20, 2000
    Publication date: September 20, 2001
    Inventors: Shigeru Eiho, Kuraji Nitta, Shoichi Dedachi