Clément Strauss, François Pasteau, Marie Babel, O. Déforges, L. Bédat
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Improved image partitioning for compression and representation using the lab color space in the LAR image codec
The LAR codec is an advanced image compression method relying on a quadtree partitioning of the image. The partitioning strongly impacts the LAR codec efficiency and enables both compression and representation efficiency. In order to increase the perceptual representation abilities without penalizing the compression efficiency we introduce and evaluate two partitioning criteria working in the Lab color space. These criteria are confronted to the original criterion and their compression and robustness performances are analyzed.
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