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这是一个基于DCT域QIM的音频信息伪装算法的源代码，输出信噪比(DCT QIM MATLAB)

图像融合可以用的PCNN工具箱，可以使用在图像融合里(PCNN Toolbox for Image Fusion)

surf特征提取算法，较sift优良，包括示例和实验图片，还有算法原文(surf feature extraction algorithms, the more sift fine, including examples and experimental images, as well as the original algorithm)

说明：  用matlab实现的欧拉影像放大应用程序。(Euler image magnification application realized by matlab.)

使用Harris角点检测方法进行图像特征点提取,NCC描述的方法进行粗匹配,再使用RANSAC算法进行精匹配。(Using the Harris corner detection method to extract the feature points of the image, the NCC description method performs rough matching, and then uses the RANSAC algorithm for fine matching)

基于不精确拉格郞日算子法的低秩矩阵重构程序，可以用于图像分割，将目标图像分割为背景和前景，从而将前景分离出来。(Lagrangian method based on imprecise low rank matrix reconstruction procedures can be used for image segmentation, the target image into background and foreground, which will separate the foreground.)

经典的图像分割算法ostu,去两峰值之间的峰谷为阀值(Classical image segmentation algorithms ostu, to the peak and valley between two peaks as the threshold)

说明：  基于谱聚类和SVM相结合的图像分割程序，在matlab2016b中运行成功(Image segmentation program based on spectral clustering and SVM)

实现两幅bmp图像相减得到最终图像并显示(Realize two BMP image subtraction, get the final image and display)

说明：  nsct图像处理代码，关于图像融合方面的(NSCT image processing code, about image fusion)