Abstract
Abstract Lossless video coding improves the coding efficiency of the standard H.264/AVC. In this work, we adjusted the standard H.264/AVC to make it conservative. We removed the quantification process of the standard H.264/AVC coding chain because this block is the first responsible for the degradation of the reconstructed video. In the framework of the lossless compression, we compared two entropy codings: CABAC (context-based adaptive binary arithmetic coding) and CAVLC (context-based adaptive variable length coding). The simulation results showed that CABAC reduces the total bit of the coded sequence, but increased the execution time compared to CAVLC. Thanks to the lossless video coding, the gain performance reached from 15 to 19 %.
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