Color image edge detection based on quaternion and self-organizing map neural network
Xingmin Li · Journal of Computer Applications · 2012
As the correlation between color components in color image is not considered in the traditional edge detection algorithms,and the detection results will be affected by the threshold value,a new kind of edge detection method for color image was proposed combining quaternion with Self-Organizing Map(SOM).Based on the quaternionic Cauchy integral formula and vector product,the edge characteristic vector was constructed.Then the SOM was trained by the vector and used for edge detection.The experimental results show that the proposed method has stronger retention capacity of the details.