Noise reduction apparatus, noise reduction method, program...

Details Noise reduction apparatus, noise reduction method, program... Noise reduction apparatus, noise reduction method, program...

2006-04-18

2006-04-18

Shah, Sanjiv (Department: 2627)

Image analysis

Image enhancement or restoration

Artifact removal or suppression

C382S260000, C348S607000

Reexamination Certificate

active

07031551

ABSTRACT:
A noise reduction apparatus with simultaneous processing for allowing Simultaneous processing of image signals of a portion containing a noise processing object pixel to be inputted, wherein the image signals are existing at Spatially different locations or the image signals are contained in fields or frames at different times. A filtering is performed by low pass filter. A noise component extractor extracts noise components based upon outputs of the filter operation and noise attenuation means of attenuating noise using outputs of the noise components extraction means with respect to the noise processing object pixel within the outputs of the simultaneous processing means.

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patent: 6788823 (2004-09-01), Allred et al.
patent: 6907144 (2005-06-01), Gindele
patent: 6933983 (2005-08-01), Wredenhagen et al.
patent: 3-112275 (1991-05-01), None

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