利用VR FHT快速计算三维滤波的高效并行处理算法

M. Aziz
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引用次数: 0

摘要

本文提出了一种基于快速三维矢量基快速哈特利变换(3-D VR FHT)的高效、适应性强的三维并行滤波算法。该算法适用于高分辨率、高速的多维信号和视频处理。三维并行算法通过消除并行滤波结构中的重叠段和边界条件,解决了块滤波方法的计算量和性能限制问题,具有较高的效率。它还解除了对高性能输入大小的限制,因为系统的3-D输入数据和脉冲响应都被分割成更小的部分。这些子部分是独立的,可以同时处理。给出了算法的结构和数学推导,并在一个实际的多处理器并行系统上对算法的性能进行了测试。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Efficient parallel processing algorithm for fast calculation of 3D filtering using the VR FHT
in this paper we present an efficient and adaptable three dimensional (3D) parallel filtering algorithm based on the fast 3-D vector-radix fast Hartley transform (3-D VR FHT). This algorithm is suitable for high resolution / high speed multidimensional signal and video processing. The 3-D parallel algorithm is highly efficient as it solves the problems of computations overhead and performance limitations associated with the block filtering method by eliminating the overlapping segments and boundary conditions in the parallel filter structure. It also lifts the restrictions on the input size for high performance, as both the 3-D input data and impulse response of the system are segmented into smaller subsections. These subsections are independent and can be simultaneously processed. The algorithmpsilas structure and mathematical derivation are given and the performance of the algorithm is tested on a real multiprocessor parallel system.
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