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In this paper, a novel and area-efficient variable length decoder (VLD) for MPEG-1/2/4 is presented. Instead of carrying out every variable length coding table with one dedicated lookup table (LUT) directly, we employ an efficient clustering-merging technique to reduce both the size of a single LUT and the total number of LUTs required for MPEG-1/2/4. Synthesis results show that our VLD occupies 10666...
In this paper, an efficient technique to implement variable length coding for multiple video coding standards is presented. To support multiple video coding standards, many VLC tables must be stored to perform coding procedure correctly. Our proposal is to merge different VLC tables of multiple standards into the most representative table, so the required memory for those tables can be reduced largely...
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