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- W1978571360 abstract "H.264/AVC는 새로운 부호화 기술을 이용하여 기존의 비디오 표준보다 높은 압축 효율을 나타내고 있다. 특히 다양한 블록 크기의 움직임 예측 방법과 비트율-왜곡 최적화 기법은 H.264/AVC에서 중요한 부호화 기술로써 높은 압축 효율을 나타내고 있지만 부호화기의 높은 복잡도를 보이는 단점이 있다. 본 논문에서는 H.264/AVC 부호화기의 높은 복잡도를 줄이기 위하여 조기 SKIP 모드 결정 방법과 선택적 인터/인트라 예측 모드 결정 방법을 제안한다. 실험결과 제안방법은 JM10.2에 비해 전체적인 영상에서 평균적으로 약 30%의 부호화 시간을 감소시켰으며, 부호화 효율의 손실은 무시할 정도로 작았다. 또한 제안 방법은 이전에 제안되었던 고속의 모드 결정 방법(FCMS)[5]과 비교하여 2배 이상의 속도 이득을 나타내었다. H.264/AVC is showed high coding efficiency more than previous video coding standard by using new coding tools. Specially, Variable block-based motion estimation and Rate-Distortion Optimization are very important coding tools in H.264/AVC. These coding tools have high coding efficiency, however the encoder complexity greatly increase due to these coding tools. In this paper, we propose early SKIP mode decision and selective inter/intra mode decision to reduce the computational complexity. Simulation results show that the proposed method could reduce encoding time of the overall sequences by 30% on average than JM 10.2 without noticeable degradation of coding efficiency. Besides, the proposed method runs over twice as fast as the previous proposed Fast Coding Mode Selection method (FCMS)[5]." @default.
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- W1978571360 date "2008-01-30" @default.
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- W1978571360 title "A Fast Macroblock Mode Decision Method using PSNR Prediction for H.264/AVC" @default.
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- W1978571360 doi "https://doi.org/10.5909/jbe.2008.13.1.137" @default.
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