中文说明：让我们来看看如何使用MATLAB内置类和功能检测的脸，鼻子，嘴巴和眼睛。基于维奥拉 - 琼斯的人脸检测算法，计算机视觉系统工具箱包含vision.CascadeObjectDetector系统物件检测基于上述算法的对象。
English Description：
Lets see how to detect face, nose, mouth and eyes using the MATLAB built-in class and function. Based on Viola-Jones face detection algorithm, the computer vision system toolbox contains vision.CascadeObjectDetector System object which detects objects based on above mentioned algorithm.