matlab_声音信号FFT

此函数三维可视化显示太阳，地球和月亮。可以输入现实参数数据(Function SSEM displays 3D Visualization of SUN, EARTH and Moon with two option i.e. with actual data and without actual data just for fun.)

稀疏低秩去噪的MATLAB代码，包括OMP算法与KSVD算法(Sparse low rank denoising MATLAB codes, including OMP algorithm and KSVD algorithm)

SRM空间富模型隐写分析算法,选区高维特征，使用集成分类器进行训练(Spatial Rich Model Steganalysis Algorithms, Selection of High-Dimensional Features, Using Integrated Classifier for Training)

图像变换 将图象分块(8*8)，作DCT变换，并作IDCT：DCT是一种可分离图象变换，用来图象压缩编码，IDCT用来解压缩(Image transform to image sub-block (8* 8), for the DCT transform, and IDCT: DCT is a separable transform image to image compression coding, IDCT used to extract)

说明：  基于matlab的语音信号处理快速傅里叶变换程序(Fast Fourier Transform Program for Speech Signal Processing Based on MATLAB)

此matlab程序用于横向和纵向都被剪碎的纸片的拼接复原，高质量(This matlab program is used for the stitching of both horizontal and vertical pieces that are cut and broken, and of high quality)

把一副画转化为由彩色字符（8个字符）组成的画。最简单、实用、绿色的软件！！！　　　　提供VB源代码！！！ (The grounds of color into a painting of characters (eight characters), composed of paintings. The most simple, practical, green software! ! ! VB source code provided! ! !)

说明：  使用python实现图像的加解密算法，涉及到基于RC4的图像加解密，基于logistic的图像加解密，arnold图像置换，有图像界面，使用QT制作(Using Python to implement image encryption and decryption algorithm involves image encryption and decryption based on RC4, image encryption and decryption based on logistic, Arnold image replacement, image interface, QT production)

MATLAB实现基于互相关的亚像素级图像匹配/配准源代码Free Source Code for Efficient subpixel image registration by cross-correlation(MATLAB-based cross-correlation of sub-pixel image matching/registration Source Code Free Source Code for Efficient subpixel image registration by cross-correlation)

说明：  usps数据库为标准手写数据库，此为mat数据文件，含训练集和测试(USPS database is a standard handwritten database, which is a mat data file, including training set and test)