Exercises

说明：  SIFT的MATLAB源码，由加州大学的一位博士编写。(SIFT the MATLAB source code, from the University of California, prepared by Dr. A.)

实现凸多边形排样，使用临界多边形NFP判断两个凸多边形形是否相交,使用启发式算法提高效率， (Convex polygon nesting, polygon NFP to determine whether two convex polygon-shaped intersection, the use of heuristic algorithms to improve efficiency,)

说明：  李春明提出的无需水平集初始化的思想是图像分割的一个重大突破，重庆大学的何传江教授对该算法进行了改进，里面是我的实现算法(Li Chunming s no need to initialize the idea of ​ ​ the level set image segmentation is a major breakthrough, Chongqing University, Professor He Chuanjiang to improve the algorithm, which is my algorithm )

digital color image watermarking based on dct-svd usinf differential evolution

说明：  包括几种基于多项式插值的图像处理matlab代码，包括双三次插值，样条差值等(Includes several image processing based on polynomial interpolation matlab code, including double-cubic interpolation, spline difference, etc.)

说明：  输入多幅图像实现帧间差分实现运动目标检测(Enter the number of inter-frame difference image realize realize moving target detection)

人群密度估计，导入视频，生成一帧一帧的图片，并判断密度是否超过阈值，超过的报警。(Crowd density estimation, the introduction of video, generate a frame of pictures, and determine whether the density exceeds the threshold, more than the alarm.)

说明：  结合模糊C均值聚类算法与水平集方法的图像分割代码，分割效果良好。(The image segmentation code based on fuzzy c-means clustering algorithm and level set method has a good segmentation effect.)

此程序采用 FCM，模糊c 均值方法，用于边缘检测(This program uses FCM, fuzzy C mean method, for edge detection)

geotiff_segment.影像分割的小程序，简单易用，非常方便，开发环境IDL.(geotiff_segment.Small image segmentation procedures, simple to use, very, IDL development environment.)