Patents Represented by Attorney Nutter McClenne & Fish LLP

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  • Method of filtering a target pixel on the basis of filtered peripheral pixels to remove detected dust portions on an image
    Patent number: 8208747
    Abstract: An image processing method of the invention includes changing tone values of peripheral pixels by performing a filtering process in respect to the peripheral pixels around a pixel of interest, after determining the pixel of interest; and changing a tone value of the pixel of interest, based on the peripheral pixels that have been filter processed.
    Type: Grant
    Filed: May 15, 2007
    Date of Patent: June 26, 2012
    Assignee: Seiko Epson Corporation
    Inventors: Keiji Hirose, Kon Ko