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基于GPU的二维离散小波变换快速计算

Bo-ning MA,Chen-hao WANG,Xiao-an TANG,Gang-yao KUANG

Journal of National University of Defense Technology（2011）

Cited 2|Views12
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Abstract
通过分析小波变换的多相表示和GPU通用计算模型,结合现代GPU的多纹理和多渲染目标特性,提出了一种基于GPU与多相表示的二维离散小波变换计算方法,该方法使小波变换的计算形式完全适合GPU的SIMD结构,同时大幅减少了纹理访问次数,充分利用了GPU的矢量运算和二维寻址能力,实验表明该方法在处理速度上有大幅的提高.
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Key words
2D DWT,GPU (Graph Process Unit),Polyphase representation
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