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说明：  图像数字水印的方案毕业论文，基于dct和dwt的算法(Image digital watermarking scheme graduation thesis, based on DCT and DWT algorithm)

说明：  自写Matlab的FFT代码，供分享，仅供参考。(Write Matlab FFT code, for sharing, for reference only.)

用于实现支持向量机的核函数，常用的四种，多项式，线性，高斯(Used to implement SVM kernel function, four common)

可用于图像处理，提取图像中隐藏信息，并对图像进行修改(Can be used for image processing, extracting images hidden information, and modify images)

本代码演示了将一个由非线性映射所产生的混沌序列作为载波(demonstration of the code will be a non-linear mapping from the carrier as a chaotic sequence)

电能质量扰动信号信号通过hilbert变换得到瞬时频率，瞬时幅值，hilbert谱，边际谱等重要特征，从而实现特征提取。(Power quality disturbance signals are obtained by hilbert transform to obtain instantaneous frequency, instantaneous amplitude, hilbert spectrum, marginal spectrum and other important features, in order to achieve feature extraction.)

感知准则函数的线性分类器,可以进行分类，二维的感知器准则判别函数算法(ganzhiqi)

这是一个Canny算子的源程序，希望能对大家有点用。(This is a Canny operator of the source, in hopes of some use to you.)

说明：  几个关于matlab图形应用的程序，大家看看有没有对您有帮助的。(Several programs on the matlab graphics applications, we see if there is help for you.)

这儿是一些最小化全变差图像去噪Matlab源码，用ROF模型，非常有用。(Here are some of the smallest of the total variation image denoising Matlab source code, with the ROF model, very useful.)