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An efficient architecture for hardware implementations of image processing algorithms

机译:用于图像处理算法的硬件实现的有效架构

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This work presents a new performance improvement technique for hardware implementations of non-recursive convolution based image processing algorithms. It combines an advanced data flow technique (instruction reuse) proposed in modern microprocessor design with the value locality of image data to develop a method, window memoization, that increases the throughput with minimal cost in area and accuracy. We implement window memoization as a 2-wide superscalar pipeline such that it consumes significantly less area than conventional 2-wide superscalar pipelines. As a case study, we have applied window memoization to Kirsch edge detector. The average speedup factor was 1.76 with only 25% extra hardware.
机译:这项工作提出了一种新的性能改进技术,用于基于非递归卷积的图像处理算法的硬件实现。它结合了现代微处理器设计中提出的高级数据流技术(指令重用)与图像数据的值局部性,从而开发了一种窗口便笺存储方法,以最小的面积和精度成本提高了吞吐量。我们将窗口记忆实现为2宽超标量管线,因此与传统的2宽超标量管线相比,它占用的面积大大减少。作为案例研究,我们将窗口记忆应用于Kirsch边缘检测器。平均加速因子为1.76,只有25%的额外硬件。

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