Image analysis – Image enhancement or restoration – Edge or contour enhancement
Reexamination Certificate
2011-05-24
2011-05-24
Tucker, Wesley (Department: 2624)
Image analysis
Image enhancement or restoration
Edge or contour enhancement
C382S260000, C382S261000
Reexamination Certificate
active
07949200
ABSTRACT:
According to one embodiment, an image processing apparatus includes an obtaining module, a coefficient filter, a large area filter, and a determination module. The obtaining module obtains a feature value indicating an image structure of a pixel block comprising a target pixel to be processed and a surrounding pixel neighboring the target pixel in an input image. The coefficient filter performs filtering on the pixel block using a filter coefficient corresponding to the feature value. The large area filter performs smoothing on a pixel block that are larger than blocks used with coefficient filter. The determination module determines to cause the large area filter to perform the smoothing when the image structure indicated by the feature value is smooth.
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H. Takeda et al. “Kernel Regression for Image Processing and Reconstruction”, IEEE Trans. Image Proc., vol. 16, No. 2, Feb. 2007, pp. 349-366.
Blakely , Sokoloff, Taylor & Zafman LLP
Kabushiki Kaisha Toshiba
Tucker Wesley
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