Patent ID: 8254718
Filing Date: 2012-08-28
Classification: G06K,G06T

Abstract:
1. A method for reducing noise in an image, comprising: receiving a first image as a first set of data formatted according to a red-green-blue (RGB) color model; converting the first set of data from the RGB color model to a second color model that includes at least a luminance channel, a first chrominance channel, and a second chrominance channel that are representative of the first image; denoising the first chrominance channel using modified joint bilateral filtering in a manner that accounts at least for edge information in the luminance channel by calculating a denoised chrominance value for each pixel of the first chrominance channel according to where denoising the second chrominance channel in a manner that accounts at least for edge information in the luminance channel; and converting the luminance channel, the denoised first chrominance channel, and the denoised second chrominance channel to a second set of data formatted according to the RGB color model that is representative of a second image.