Method for filtering images with bilateral filters

Details Method for filtering images with bilateral filters Method for filtering images with bilateral filters

2007-08-01

2010-11-16

Patel, Kanji (Department: 2624)

Image analysis

Image enhancement or restoration

Image filter

C382S279000

Reexamination Certificate

active

07835586

ABSTRACT:
A method filters an input image to produce an output image. A bilateral filter is composed of a spatial filter and a range filter. Pixel intensities in the input image are multiplied by each other to produce the set of power images, which approximate the application of the range filter. The spatial filter is applied to the set of power image to determine responses, and the responses are combined on a pixel-by-pixel basis to produce a bilaterally filtered output image.

REFERENCES:
patent: 7082218 (2006-07-01), Pollard et al.
patent: 7352911 (2008-04-01), Maurer
patent: 7426312 (2008-09-01), Dance et al.
patent: 7430334 (2008-09-01), Keshet et al.
patent: 7599569 (2009-10-01), Smirnov et al.
patent: 7643699 (2010-01-01), Lim et al.
patent: 7783121 (2010-08-01), Cox

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