fun_fre_dec_cal_X2

GCP是地面控制点的缩写，主要是处理地面控制点的类，包括控制点的读取处理以及写出。(GCP is an acronym for ground control points, mainly handling ground control points, including read and write process control points.)

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Matlab数字图像处理源代码，里面有书上的代码，便于读者下载(Matlab Digital image processing source code，There are books code, convenient for readers to download。)

matlab程序，一种快速ICA算法，用于混合信号盲分离，可应用于通信系统信号处理(matlab program, a fast ICA algorithm for blind separation of mixed signals, signal processing can be used in communication systems)

用matlab编写的基于人脸识别系统,文献可参考"Eigenfaces vs. Fisherfaces: Recognition using class specific linear projection."已经测试过程序可正常运行没有问题(Prepared using matlab face recognition system based on the literature may refer to " Eigenfaces vs. Fisherfaces: Recognition using class specific linear projection." Procedures have been tested there is no problem running)

Image evaluation (mean, clarity, information entropy, standard deviation)

关于数据转换的很好的C语言程序，很好用，很实用(Data conversion on the C language program good, very good, very practical)

这是IIR数字滤波器的设计及滤波程序，IIR滤波器用matlab实现，滤波数据用C生成，主程序实现数字滤波(This is the IIR digital filter design and filtering procedures, IIR filter using matlab, using C to generate filtered data, the main program to achieve digital filtering)

说明：  可以读出股票作为个人在股票软件方面的一个小尝试(Can be read as an individual stock in the stock software is a small attempt)

此代码是基于DCT的数字水印MATLAB编程，包括水印的置乱和反置乱，嵌入以及提取水印四个部分(This code is based on digital watermark DCT MATLAB programming, including the watermark scrambling scrambling and anti-, four-part watermark embedding and extraction)