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In any multiple description coding (MDC) system, how to compose pictures of the “best” quality upon receiving more than one description is always important. To this goal, a DCT-domain translation and overlapping technique has been developed in for the popular multiple description scalar quantization (MDSQ) based video coding. Although certain quality gain (in terms of PSNR) has been achieved, the...
Pixel-domain sub-sampling based on the quincunx lattice is one of the traditional approaches to carry out multiple description coding (MDC). Unfortunately, the re-alignment (either horizontal or vertical) would deteriorate the sample correlation within each description, thus leading to a lower coding efficiency. In this paper, we propose to apply a diamond-shape DCT on the quincunx sub-sampling lattice...
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