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It is well observed that the nonzero transform coefficients for block-based hybrid video coding is more clustered in the low frequency region while more scattered in the high frequency region. Based on this observation, hybrid variable length coding (HVLC) was recently proposed, which divides each transform block into low frequency (LF) region and high frequency (HF) region by a pre-defined breakpoint...
This paper proposes a multi-resolution coding system for 3D graphic scenes using vector quantization (VQ). For improved compression efficiency, the proposed system generates the VQ codebook for a given 3D scene using mesh objects contained in the scene database instead of separate training models. Furthermore, objects are weighted according to their unequal display importance resulting from interactions,...
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