中文说明：本程序是一个轻便的动物识别程序，用MATLAB编写，实现的功能是：给定几种动物的训练集，程序进行自动训练，提取特征，形成分类器，当输入新的测试集时，可实现对动物的分类识别。采用的算法为HOG算法。
English Description：
This program is a portable animal recognition program, written with MATLAB, to achieve the function is: given several kinds of animal training set, the program automatically train, extract features, form a classifier, when the input of a new test set, can achieve the classification and recognition of animals. The algorithm used is hog algorithm.