中文说明：这个是脉冲耦合神经网络在边缘检测中的应用，脉冲耦合神经网络是第三代神经网络，天生就具有图像处理的优势。
English Description：
This is the application of pulse coupled neural network in edge detection. Pulse coupled neural network is the third generation neural network, which has the advantages of image processing.