2012 20th Telecommunications Forum (TELFOR) 2012
DOI: 10.1109/telfor.2012.6419563
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A devised approach to optimize color space transformation for image compression

Abstract: A significant step in color image compression is to apply a color space transformation to the original RGB image to concentrate most of its energy in one plane. Standard JPEG-based compression methods utilize predefined transformations like RGB to YCbCr. In this paper, a devised algorithm is proposed to optimize the transformation for each image. The algorithm iteratively increases the energy concentration by optimizing a novel cost function while limiting the matrix determinant to a bounded region.

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