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| 直方图计算的数据并行实现方法 | |
| 引用本文： | 赵晓红,沈绪榜,张艳宁,王忠,张发存. 直方图计算的数据并行实现方法[J]. 信号处理, 2005, 21(2): 111-114 |
| 作者姓名： | 赵晓红 沈绪榜 张艳宁 王忠 张发存 |
| 作者单位： | 1. 西安微电子技术研究所,710054 2. 西北工业大学计算机系,710072 3. 西安电子科技大学微电子所,710071 |
| 基金项目： | 国防预研基金资助(41308010203) |
| 摘 要： | 灰度直方图计算是图像分割与图像灰度变换等图像处理操作中一种重要的分析工具。本文将首先讨论直方图计算在单处理机上的执行效率,并讨论两维处理元阵列上直方图计算的数据并行实现方法,然后以每个处理元中至少有256个寄存器的一维处理元阵列为应用背景,提出了一种新的直方图计算的数据并行实现方法,使处理元阵列的执行效率达到了每个像素只需1次数据并行的计数操作。 |
| 关 键 词： | 灰度直方图 数据并行 二维处理元阵列 一维处理元阵列 |
| 修稿时间： | 2003-12-29 |
Data-Parallel Implement Method for Histogram Computing |
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| Zhao Xiaohong,Shen Xubang,Zhang Yanning,Wang Zhong,Zhang Facun. Data-Parallel Implement Method for Histogram Computing[J]. Signal Processing(China), 2005, 21(2): 111-114 | |
| Authors: | Zhao Xiaohong Shen Xubang Zhang Yanning Wang Zhong Zhang Facun |
| Abstract: | Gray Value histogram computing is an important tool for making an analysis of image segmentation and image grayscale transformation. Firstly, this paper presents the executive efficency of GrayValue histogram algorithm done in a uniprocessor. Secondly, the kind of data-parallel processing method using the processing element array of two dimensitions is discussed in detail. Afterwards, we design a new kind of data-parallel processing method suited to the one-dimensitional PE array, with more than 256 registers at each PE , and the conclusion drawed is that the computing quantity of GrayValue histogram computing is mainly data-parallel countering operation, executing one at a pixel. |
| Keywords: | grayvalue histogram data-parallel computing processing element array of two dimensitions processing element array of one dimensition |
| 本文献已被 CNKI 万方数据 等数据库收录！ | |