yichuansuanfa

2008最新matlab时频分析中用到的几乎所有函数的源代码及其基本用法。如调幅调频函数及其用法，常用噪声产生函数，尺度变换函数，信号时域和频域处理函数，cohen类双线性时频处理函数用法等等，希望对大家有帮助!(2008, the latest time-frequency analysis matlab used in almost all the function)

This is a complete program for speaker recognition based MATLAB. It uses VQ(vector quantization) method to detect different speakers.

说明：  DCT域的嵌入程序，可以获得较高的鲁棒性，且嵌入秘密信息后的不可感知性也很好。(DCT embedded procedures, get higher robustness, and secret information embedded in the perception is also not very good.)

Space Scale...................................

基于主成分分析的脑功能近红外光谱的运动伪迹移除方法(Motion artifact removal method for brain functional near-infrared spectroscopy based on Principal component analysis )

一次分类支持向量机程序，可用于故障诊断中，对故障进行分类识别(A support vector machine classification procedures can be used for fault diagnosis, classification and identification of faults)

基于LSB图像隐藏系统的设计与实现，LSB算法代码，信息隐藏攻击算法，DCT域的隐藏以及数字水印。(LSB based image hiding system design and implementation, LSB algorithm code, information hiding attack algorithm, DCT hiding and digital watermarking domain.)

光在散射介质中的传播，输入光子步数和吸收系数，输出光子的轨迹(A 3-D Monte Carlo Simulation of a photon propagating in scattering and absorbing media. Given an input of the number of steps (iterations) for the photon to take and the absorption coefficient of media, this function calculates a random walk and returns coordinates of final position and total final distance origin.)

说明：  用遗传算法进行多元函数的优化，是测试函数与数据集的基本方法(Using genetic algorithm to optimize multivariate function is the basic method of testing function and data set)

SIFT算法Matlab源码，用于图像匹配(SIFT algorithm Matlab source code for the image matching)