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-  2015 

一种基于GPU的并行三维各向异性扩散的超声图像斑点噪声滤波算法 A GPU-Based Parallel Speckle Reducing Anisotropic Diffusion Algorithm for 3D Ultrasound Images

Keywords: 3D SRAD,3D pSRAD,CUDA,并行计算

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Abstract:

三维的各向异性扩散的斑点噪声滤波算法(3D SRAD)计算密集,在CPU上串行处理运行效率较低,耗时长,不能满足实时系统的需求.为解决此问题,本文基于CUDA平台提出一种并行的3D SRAD算法——3D pSRAD.该算法从数据处理,任务分配以及纹理存储器和共享存储器的使用对并行处理进行了优化.实验结果表明,3D pSRAD提高了运算效率,计算加速比在60以上

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