用matlab计算一些基本的音频特征，基本的特征包括：特征统计、Energy Entropy Standard Deviation (std)、均值信息熵、过零率检测、频谱衰减-Using matlab calculate some basic audio features, the basic features include: Features and Statistics, Energy Entropy Standard Deviation (std), mean information

read image using matlab and calculating entropy

matlab code for entropy generation for content based video retrieval

Matlab code for video using entropy for content based video retrieval