Method for bilateral filtering of digital images

Details Method for bilateral filtering of digital images Method for bilateral filtering of digital images

2008-04-01

2008-04-01

Bella, Matthew C. (Department: 2624)

Image analysis

Image enhancement or restoration

Image filter

C455S213000, C455S286000, C455S307000, C455S339000, C708S300000

Reexamination Certificate

active

07352911

ABSTRACT:
A method for processing an image using a bilateral filter. The bilateral filter is reformulated at each pixel location in the image into a sum of the original signal value of a central pixel at said pixel location and a bilateral correction term which is a function of local signal differences between the central pixel and its neighbors. The bilateral correction term is calculated using a computationally efficient approximation.

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patent: 2005/0025379 (2005-02-01), Maurer
patent: 2005/0025380 (2005-02-01), Maurer
Tomasi and Manduchi (see “Bilateral filtering for gray and color images”, Proc. IEE Intl. Conf. on Computer Vision, Bombay, India, 1998).
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Maurer, Ron, Digital Imaging Systems, Articles of Manufacture, And Digital Image Processing Methods, Jul. 31, 2003.
Maurer, Ron, Digital Imaging Systems, Articles of Manufacture, And Digital Image Processing Methods, Jul. 31, 2003.

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