dftfilt

matlab实现图像的读取，灰度变换、二值化、边缘检测和hough变换，包含有简单界面。(matlab image read, gray-scale transformation, binarization, edge detection and hough transform, contains a simple interface.)

用于图像分割，基于fcm算法的图像分割，实现模糊均值聚类的分割，更准却的实现分割。(For image segmentation, image segmentation based on FCM algorithm, the realization of fuzzy clustering segmentation, more accurate but to achieve segmentation.)

说明：  SAR SIFT图像配准算法。yishiliuhuasheng/sar_sift(SAR sift image registration algorithm. yishiliuhuasheng/sar_ sift)

hit-miss方法下的图像骨架提取，很好用(hit-miss method of image skeleton extraction, very good use)

利用fastICA算法实现了两幅图像的分离。内附源图像文件（两种）。同时还利用峰值信噪比PSNR和性能指标PI实现了对分离效果的评价。原创代码。(fastICA algorithm is uesd in seperating the mixed images.)

Solutions to problems in the field of digital image processing generally require extensive experimental work involving software simulation and testing with large sets of sample images.

用对偶分裂算法处理乘性噪声如盐椒噪声（L1+TV），参数由电脑自动选取，matlab程序(A Duality-Based Splitting Method for L1-TV Image Restoration with Automatic Regularization Parameter Choice)

自己写的幅值谱分析的matlab程序，可以应用与机械振动信号分析中。(this is a matlab program that can analylize the amplifier of a wave.)

sift算法具有旋转不变性 提取的特征点效果非常的好 用于图像配准中

对图形进行二维傅里叶变化后的频谱进行中心化(Centralization of the spectrum after two-dimensional Fourier transform)