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Image Processing Method

  • US 20080199100A1
  • Filed: 03/31/2006
  • Published: 08/21/2008
  • Est. Priority Date: 03/31/2005
  • Status: Active Grant
First Claim
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1. An image processing method for removing noise contained in an image, comprising:

  • inputting an original image constituted with a plurality of pixels;

    extracting a first high-frequency component through first high-pass filter processing executed on the original image;

    extracting a second high-frequency component through second high-pass filter processing executed on the extracted first high-frequency component;

    extracting a noise component by separating the noise component through nonlinear conversion processing executed on the extracted second high-frequency component; and

    removing the noise in the original image based upon the extracted noise component.

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