基于DSP的视频信号边缘提取算法实现

Realization of Video Edge Detection Algorithm Based on DSP

针对视频图像处理速度要求的不断提高,越来越多的嵌入式系统被应用到图像处理的领域。本文简要介绍了一款高性能的嵌入式视频图像处理平台DM6437,详细描述了Canny边缘提取算法的具体思想和原理。利用VLIB函数库成功的将Canny算法应用于DM6437之中,得到了连续流畅的视频处理结果。各项指标均符合实时处理的要求。此外,本文还详细给出了系统的工作原理,平台上图像数据处理过程中的注意事项,实验图像以及相关参数。

With the improving of image processing,more and more push-in type platform are applied into the area of image.This article introduced a high-performance push-in type platform for Video Image Processing DM6437 briefly and describes the thought and principle of the Canny Edge Extraction Algorithm.The Canny Algorithm was used in DM6437 successfully,get fluent video and give the system＇s working principle,attention in the image data processing and the experiment result.In addition,this paper also presents the working principe,system on the platform of image date processing,the matters of attention in experimental images and related parameters.