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An Efficient Scheme for 2-D Wavelet Lifting Transform
Author(s): 
Pages: 4-6,12
Year: Issue:  z1
Journal: VIDEO ENGINEERING

Keyword:  二维提升小波变换流式SIMD扩展2提升结构Cache命中;
Abstract: 基于对通用处理器L1 Cache命中机制和二维提升小波变换结构的分析,提出一种在Intel通用处理器平台上,采用Streaming SIMD Extensions 2(SSE2)实现高效快速二维提升小波变换的方法.此法对原始小波系数存储层次进行调整,充分利用SSE2的SIMD并行处理能力,尽量保持列变换时数据读取与Cache命中方向一致,有效缩短了二维提升小波变换的执行时间.
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