SURF源码(matlab版)

利用形态学的腐蚀运算提取图像边界 编写细化算法提取骨架的程序(Using morphology corrosion operation to extract image edgePreparation of thinning algorithm to extract the skeleton program)

说明：  适合初学者使用，简单的直接调用该函数即可。(Suitable for beginners to use, simply call the function directly.)

简单水印制作源码,程序结合易语言扩展界面支持库，实现了加载水印效果图和设置水印效果的功能(Simple watermarking source code , the program combined with easy language support library expansion interface , to achieve a load diagram and set watermark watermark function)

使用改进的点锐度算法对不同程度的模糊图像进行清晰度评价。(The improved algorithm of point sharpness is used to evaluate the blurred image in different degree.)

压缩感知CS——采用小波变换进行稀疏表示，高斯随机矩阵为观测矩阵，重构算法为SL0算法，对256*256的lena图处理，比较原图和SL0算法在不同采样比例(0.74、0.5、0.3)下的重构效果，并各运行50次，比较算法性能PSNR和每次的运行时间 (Compressed sensing CS- using wavelet transform as sparse representation, Gaussian random matrix as the observation matrix and SL0 algorithm as the reconstruction algorithm. Compare lena figure and the reconstruction results using SL0 algorithm at different sampling ratio (0.74,0.50.3),then each runs 50 times, compare the performance of PSNR and each running time)

传统的相位编组，将梯度分为8个方向，对边缘检测有很好的效果。(Traditional phase grouping, will be divided into eight direction of the gradient of edge detection are very good results.)

用matlab实现多尺度边缘检测。。。。。。。。。。。。。(Using matlab to achieve multi-scale edge detection. . . . . . . . . . . . .)

采用半隐式方案实现变分水平集图像分割方法(Active contour without edge, image segmentation)

本程序实现选定图像的Haar-like特征提取功能，方便学习者能直观的看到各类Haar-like特征值。代码简单易于理解。(The program implements the selected image Haar-like feature extraction function to facilitate the learners can visually see all kinds of Haar-like feature values. Code is simple and easy to understand.)

掌纹图像双峰法二值化，边界跟踪提取掌纹轮廓线，harris角点，手动提取关键点建立坐标系和画正方形(Palmprint image bimodal binary, boundary tracking extract palmprint contour, harris angle manually extract key point to establish a coordinate system and draw a square)