gaussian_distribution

以matlab做pitch-shift的功能展示.基於phase-vocoder技術在頻域上做pitch-shift.(In matlab to do the pitch-shift function display based on phase-vocoder techniques in the frequency domain to make pitch-shift.)

make universal codebook for contourlet

A Modified median filter to remove fixed value impulse noise upto 35 Noise Density. Filterdesign.m--main program salt_correction.m--to remove salt noise pepper_correction.m--to remove pepper noise

online identification using neural network

混沌信号优化，希望对混沌研究者有些帮助。。。(Chaotic signal optimization, the researchers hope to be helpful chaos)

LBG算法设计矢量量化码书的函数，需要给出训练序列x,矢量维数K和码书长度CN，返回根据训练序列给出的最小误差码书。(LBG algorithm for vector quantization codebook design function , you need to give training sequence x, vector dimension K and codebook length CN, return according to the minimum error given training sequence codebook . )

proposal steganografi

Filters: Image Processing

最大熵分割，成功调试过，可以完全实现最大熵分割，效果完美(Maximum Entropy Segmentation, successfully debugged Maximum Entropy Segmentation can be fully realized, the effect is perfect)

A matlab function that calculates the inverse short term Fourier transform with adjustable parameters.