Abstract
Abstract An increase in image pixel precision makes performance drop in many compression methods. Many entropy reducing transforms are homogeneous and this homogeneity is not influenced if this transform is followed by a uniform quantization step. The entropy in the resulting data after these steps will therefore be additive as a function of the pixel precision. The differences in compressibility dependent on increasing pixel precision or entropy values of original image data would be expressed more explicitly by using proposed new methods of measuring compression gain.
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