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Lagrangian multiplier (LM) based mode decision is one of the most important technologies in standard H.264/AVC encoder. Based on LM theory, this paper presents a joint three-layer (JTL) model for H.264/AVC rate control. At macroblock (MB) level, we dynamically revise LM for each of MBs by its estimated complexities, which is able to select a better coding mode than the current scheme with the constant...
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