Method of reducing noise in images

Details Method of reducing noise in images Method of reducing noise in images

2004-11-23

2008-08-05

Johns, Andrew W. (Department: 2624)

Image analysis

Image enhancement or restoration

Artifact removal or suppression

C382S162000, C382S260000, C382S268000, C348S241000, C375S240210

Reexamination Certificate

active

07409103

ABSTRACT:
An image noise reducing method that can properly reduce CCD noise which emerges in an image imported from a digital camera is provided. The method includes applying a first filtering step to luminance component image data of the image with each pixel of the luminance component image data being designated as a target pixel, thereby creating luminance component image data with its entirety smoothened, and applying a second filtering step to color-difference component image data of the image with each pixel of the color-difference component image data being designated as a target pixel, thereby creating color-difference component image data with its entirety smoothened.

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