中文说明：matlab基于手部轮廓的手势识别，能达到初步效果，训练集在里面，可以适合初学者试验，代码量较少，但是方法还是需要改进。
English Description：
Matlab gesture recognition based on hand contour, can achieve preliminary results, training set in it, can be suitable for beginners to experiment, less code, but the method still needs to be improved.