一种新的彩色图像边缘检测算法

详细信息

A New Algorithm of Color Images Edge Detection

摘要: 自动阀值选取是彩色图像边缘检测的难点和关键问题,首先从人类的视觉特性出发,分析了人类视觉系统的亮度感知门限函数,利用数学建模方法和色度学方面的研究成果,给出人类视觉系统对彩色图像边缘所能识别的最小彩色差函数。利用小波边缘检测原理,给出一种能根据不同彩色背景自动选取阀值的小波边缘检测算法.仿真实验证明算法有较好的自适应性和良好的边缘识别性能。
- 小波边缘检测 /
- 自动阀值选取 /
- 视觉特性 /
- 数学建模
Abstract: Automatic threshold choice is difficult and important to color images edge detection, First of all, on the base of human visual properties, threshold versus intensity function of human visual system are researched and analyzed, by using method of mathematic modeling and the result of saturation research, function of least color difference that can be perceptible by visual systems in detecting edge is given. Finally, we use the principle of wavelet edge detection and suggest an algorithm of automatic threshold choice according to difference color background in wavelet edge detection. Emulate experiments demonstrate good adaptability and edge recognition effeteness of the algorithm.
- wavelet edge detection /
- automatic threshold choice /
- visual properties /
- mathematical modeling

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