摘要
分析了Canny算子边缘检测的基本原理和存在的问题,介绍了彩色空间及计算方法。根据海岸地带遥感影像特征,探讨了基于色差的Canny算子自适应边缘提取算法。实验表明,改进的算子具有较高信噪比,能达到比较理想的海岸线检测效果。
This paper analyzes the basic principle and the problems of the Canny algorithm, and introduces the color space and its algorithm. According to the RS image＇s characteristic of coast district, the paper discusses the adaptive Canny edge-detection method based on the color differences. The experiment indicates that the improved algorithm has the higher SNR, and can achieve the ideal examination result of the coast line.
出处
《测绘学院学报》
北大核心
2005年第4期259-262,共4页
Journal of Institute of Surveying and Mapping
关键词
CANNY算子
彩色空间
色差
海岸线
边缘检测
canny algorithm
color space
color differences
coast line
edge-detection
