hough变换 速度慢 不能滤除无效直线

用MATLAB实现亚像素角点检测，简单实用(Using MATLAB to achieve sub-pixel corner detection, simple and practical)

数字图像处理中sobel算子的手写代码；canny手写代码；加噪声并滤波的调用库函数代码(Digital image using sobel & canny)

说明：  这是一本关于电子情报雷达信号分析的电子版，主要内容包括电子情报的特征和基础、模拟和数字系统的信噪比考虑、信号功率、极化、波数分析、天线扫描分析、脉内分析、脉冲重复间隔分析、载频分析、脉冲串去交错、确定elint参数的极限以及elint数据文件 (This is an electronic intelligence on the radar signal analysis of the electronic version, the main contents include the characteristics of electronic intelligence and infrastructure, both analog and digital system signal to noise ratio considerations, signal power, polarization, wave-number analysis, antenna scanning analysis, pulse analysis , pulse repetition interval analysis, analysis of carrier frequency, pulse staggered string to determine the limits of the parameters, as well as ELINT ELINT Data Files)

通过帧差法来提取背景的程序，效果不错通过帧差法来提取背景的程序，效果不错‘(通过帧差法来提取背景的程序，效果不错通过帧差法来提取背景的程序，效果不错)

DWT域的水印提取，matlab 以及信噪比分析(DWT watermark extraction, and signal-to-noise ratio analysis Matlab)

说明：  图像滤波，中值滤波，自适应，对比结果，医学图像使用(Image filtering, median filtering, adaptive, comparative results, medical image use)

该文件夹包括基于邻阈的小波图像去噪程序。主程序为wave_neighbor.m，实现3*3和5*5邻域去噪；wov_win.m为函数m文件，实现3*3和5*5的滑动窗口；cacupsnr.m为函数m文件，计算mse和psnr等。(This is about image denoising with the method of wavelet.It includes 3×3 and 5×5 neighborhood window.)

基于matlab的色差图像分割程序，可以实现复杂背景下的图像分割。(Matlab based on the color image segmentation procedure, the complexity can be achieved in the context of image segmentation.)

这是matlab官方网站的一个快速实现svd分解的函数，通过对矩阵的截断加速(This is a quick realization svd decomposition function matlab official website, through the cut-off acceleration matrix)

这个算法是基于峭度的快速不动点算法，混合方式是线性瞬时混合，适定情况，该算法收敛速度较梯度算法快，很实用。(failed to translate)