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Motion estimation (ME) is the most computationally intensive and the most power consuming part of video compression and video enhancement systems. In this paper, we propose a novel power reduction technique for ME hardware. We quantified the impact of glitch reduction, clock gating and the proposed technique on the power consumption of two full search ME hardware implementations on a Xilinx Virtex...
Variable block-size motion estimation (VBSME) has become an important technique in H.264/AVC to improve video quality. In this paper, we propose a scalable VLSI architecture for VBSME in H.264/AVC based on a full-search motion estimation algorithm. A new scan order is introduced to re-use the sum of absolute differences (SAD) values of smaller sub-blocks on an "as-early-as-possible" basis,...
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