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Image processing device and method, program recording medium, and imaging system

  • US 8,270,758 B2
  • Filed: 03/25/2010
  • Issued: 09/18/2012
  • Est. Priority Date: 03/31/2009
  • Status: Expired due to Fees
First Claim
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1. An image processing device comprising:

  • a filtering unit comprising a plurality of filtering unit stages for filtering an input image;

    a plurality of band image signal generating units for generating a plurality of band image signals having different frequency bands from each other from an output image of the filtering unit;

    a noise reduction processing unit for performing a noise reduction process of reducing a noise component contained in the plurality of band image signals generated by the band image signal generating units; and

    a plurality of image synthesizing units for synthesizing the plurality of band image signals subjected to the noise reduction process;

    wherein the image processing device includes a first pixel expansion unit for performing a pixel expansion process of expanding pixels at an outer peripheral part of an image input to one of the plurality of filtering unit stages other than a first stage of the filtering unit, or an image output from one of the plurality of band image signal generating units.

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