基于机器视觉的嘴巴状态检测方法：利用BP神经网络-based machine vision mouth State Detection Methods : Artificial Neural Network

对于机器视觉算法的研究学习的基础介绍，包括简单的算法源程序与过程介绍。(For the machine vision algorithm research and study of the basic introduction, including a simple algorithm source and process introduction.)