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NOISE REDUCTION APPARATUS, NOISE REDUCTION METHOD, AND PROGRAM

  • US 20140205202A1
  • Filed: 08/21/2012
  • Published: 07/24/2014
  • Est. Priority Date: 08/22/2011
  • Status: Active Grant
First Claim
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1. A noise reduction method, comprising:

  • for each of multi-layer regions each containing a pixel of interest and having a successively reducing area, calculating a pixel statistic value of pixels in that region;

    for each of successive layers, correcting the pixel statistic value for a region at a current layer using a corrected pixel statistic value for a region at a preceding layer having a greater area than that of the region at the current layer; and

    correcting said pixel of interest using a corrected pixel statistic value for a region with a smallest area.

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