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The main idea behind wavelet based demosaicing with spatial refinement is to reconstruct the full reso lution color image from the mosaiced image. In this study, a new effective wavelet based demosaicing algorith m for interpolating the missing color components in Bayer ’s Color Filter Array (CFA) pattern is proposed. Th is interpolation technique uses the interchannel corre lation among the high frequency subbands to determine the missing pixels in each color channel, followed by a refining step in spatial domain which uses non-ite rative technique that enforces color difference rule with fewer computations. As a result, the proposed demosaicing method yields better performance than bilinear, edg e based and subband based demosaicing methods.

NOVEL COLOR FILTER ARRAY DEMOSAICING IN FREQUENCY DOMAIN WITH SPATIAL REFINEMENT