Image processing apparatus, display device, and image...

Details Image processing apparatus, display device, and image... Image processing apparatus, display device, and image...

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.

REFERENCES:
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patent: 2005/0157189 (2005-07-01), Sambongi
patent: 2007/0047785 (2007-03-01), Jang et al.
patent: 2003-018600 (2003-01-01), None
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patent: 2006-128744 (2006-05-01), None
patent: 2008-288947 (2008-11-01), None
patent: 2009-141944 (2009-06-01), None
H. Takeda et al. “Kernel Regression for Image Processing and Reconstruction”, IEEE Trans. Image Proc., vol. 16, No. 2, Feb. 2007, pp. 349-366.

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