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Research and Transplant of H.264 Key Algorithms Based on Cell
Author(s): 
Pages: 9-11,15
Year: Issue:  2
Journal: INSTRUMENTATION TECHNOLOGY

Keyword:  CellH.264整数DCT变换运动估计优化向量;
Abstract: 在介绍Cell结构和并行计算等特点的基础上,文章描述了关于H.264编码算法的移植与优化关键技术.其中着重对最耗时的DCT/IDCT变换、运动估计/补偿等关键模块进行了移植;同时采用SIMD技术对算法进行了优化.实验结果表明,关键算法优化后的处理速度可提高3~7倍,取得了良好的效果.
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