A new method of realizing the edge detection for color image is constructed by the gradient algorithm of multi-structuring elements morphological of HSI space in the paper.

• 构建了一类在HSI颜色空间基于多结构元彩色形态边缘检测梯度算法实现彩色图像边缘检测新方法,多结构元形态边缘检测有着比单一结构元素形态边缘检测更优越的性能。