Journal
Scientific and technical journal of information technologies, mechanics and optics
UDK004.932.2
Issue:3 (73)
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OPTIMIZATION OF QUADROTREE IMAGE SEGMENTATION BASED ON MINIMUM DESCRIPTION LENGTH CRITERION IN FRACTAL COMPRESSION
Annotation
Efficiency of quadrotree image segmentation in fractal compression methods is investigated. Information criterion of rang blocks division into sub-blocks is introduced based on the minimum description length principle. It is shown that the modified method of quadrotree segmentation results in simultaneous increase of compression ratio and quality of reconstructed image in comparison with conventional methods based on rootmean-square error threshold criterion.
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