대한전자공학회논문지SP (Journal of the Institute of Electronics Engineers of Korea SP)

대한전자공학회 (The Institute of Electronics and Information Engineers)
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H.264/AVC의 인트라 예측 병렬 파이프라인 실행 알고리즘

A Parallel Pipeline Execution Algorithm for H.264/AVC Intra Prediction

  • 허가열 (울산대학교 전기전자정보시스템공학부) ;
  • 조효문 (울산대학교 전기전자정보시스템공학부) ;
  • 조상복 (울산대학교 전기전자정보시스템)
  • Xu, Jia-Yue (Department of electrical engineering, University of ulsan) ;
  • Cho, Hyo-Moon (Department of electrical engineering, University of ulsan) ;
  • Cho, Sang-Bock (Department of electrical engineering, University of ulsan)
  • 발행 : 2008.09.25
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초록

H.264/AVC는 ITU-T와 ISO/IEC 표준화 단체에서 개발한 차세대 국제 영상압축 표준규격으로 이는 H.261, H.263, MPEG-4 등에 비해 더 좋은 압축 효율을 제공한다. 그러나 전체 인트라 모드에 대해 검색이 수행되므로 연산복잡성이 더욱 증가하는 문제와 하드웨어 자원의 낭비가 발생한다. 따라서 본 논문은 두 개의 프로세서 유닛 기반의 병렬 파이프라인 구조로 표준 모델에 비해 연산 복잡 도를 67% 감소시켰고, 부호화 순서를 병렬 파이프라인 구조에 적합하도록 변화시켜 기존 병렬구조에 비해 하드웨어 자원 낭비를 3% 감소시켰다.

H.264/AVC is the newest international video coding standard developed by the joint ITU-T and ISO/IEC standards organizations. This newest video coding standard offers much higher coding efficiency than the H.261, H.263 and MPEG-4. But it has high computing complexity and high H/W resources wasting problem. This paper described the two unit parallel pipeline structure. This new structure comparing with standard model decreased the computing complexity of 67% and the H/W resources waste of 3%.

키워드

참고문헌

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