| 基于DSP的Retinex实时视频图像处理系统设计 |
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| 引用本文： | 文迪,李武劲,古博,张弛,王明辉. 基于DSP的Retinex实时视频图像处理系统设计[J]. 计算机与现代化, 2010, 0(4): 184-187,192. DOI: 10.3969/j.issn.1006-2475.2010.04.050 |
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| 作者姓名： | 文迪 李武劲 古博 张弛 王明辉 |
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| 作者单位： | 四川大学计算机学院,四川,成都,610064 |
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| 摘 要： | 介绍一种以高速定点DSP芯片DM642为核心的雾天实时视频图像处理系统的软硬件设计。系统采用Retinex理论作为算法核心,针对处理算法中大数据量、高速传输、复杂运算的特点,运用查表、EDMA、软件流水等方法进行了大量优化。实验结果表明,具有满意的处理效果和实时性。
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| 关 键 词： | DM642 Retinex 实时性 |
Design of Retinex Real-time Video Processing System Based on DSP |
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| WEN Di,LI Wu-jin,GU Bo,ZHANG Chi,WANG Ming-hui. Design of Retinex Real-time Video Processing System Based on DSP[J]. Computer and Modernization, 2010, 0(4): 184-187,192. DOI: 10.3969/j.issn.1006-2475.2010.04.050 |
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| Authors: | WEN Di LI Wu-jin GU Bo ZHANG Chi WANG Ming-hui |
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| Affiliation: | Institute of Computer/a>;Sichuan University/a>;Chengdu 610064/a>;China |
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| Abstract: | This paper introduces the hardware and software development for a real-time fog video processing system which makes the high-performance fixed-point digital signal processor(DSP) as the core.The system adopts Retinex as the algorithm,and chooses the method of look-up table,enhanced direct-memory-access(EDMA),software pipelining to do amount of optimizations for the algorithm features such as: large number of data,high-speed data transmission,and complex calculation.All of these reach the satisfied result an... |
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| Keywords: | DM642 Retinex real-time performance |
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