为了实现彩色图像边缘检测,建立了彩色图像自动边缘检测算法.对彩色图像基于四元数的表示方法进行描述,针对基于snake算子实现彩色图像边缘检测算法进行了研究.首先,根据彩色图像三原色的基本特征,利用四元数的矢量表示方法以及四元数基本运算方法进行描述;其次,介绍了snake算子的基本原理,检测过程等.最后,构造了双四元数和snake算子的彩色图像边缘检测算法.实验结果表明,利用文中算法获得的彩色图像边缘检测保留了原图像的自身信息,边缘信息完整.该算法基本满足彩色图像边缘检测的稳定可靠、信息完整、抗干扰能力强等要求.
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