대한전자공학회:학술대회논문집 (Proceedings of the IEEK Conference)
- 대한전자공학회 2004년도 하계종합학술대회 논문집(2)
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- Pages.561-564
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- 2004
저전력 에너지 관리 알고리즘 적용을 위한 하드웨어 움직임 추정기 구조 설계 및 특성 분석
Design and Analysis of Motion Estimation Architecture Applicable to Low-power Energy Management Algorithm
- Kim Eung-Sup (VLSI System Laboratory department of electronic engineering. the Soongsil University) ;
- Lee Chanho (VLSI System Laboratory department of electronic engineering. the Soongsil University)
- 발행 : 2004.06.01
초록
The motion estimation which requires huge computation consumes large power in a video encoder. Although a number of fast-search algorithms are proposed to reduce the power consumption, the smaller the computation, the worse the performance they have. In this paper, we propose an architecture that a low energy management scheme can be applied with several fast-search algorithm. In addition. we show that ECVH, a software scheduling scheme which dynamically changes the search algorithm, the operating frequency, and the supply voltage using the remaining slack time within given power-budget, can be applied to the architecture, and show that the power consumption can be reduced.
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