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作者:J.Kittler and J.Illingworth KI阈值算法(Author：J.Kittler and J.Illingworth 1986)

该matlab源码描述了基于局部受限线性编码的图像分类算法(This is an example code for the algorithm described in "Locality-constrained Linear Coding for Image Classification", CVPR 2010. )

说明：  四种算子(sobel,prewitt,roberts,marr)进行图像边缘检测的matlab源码.(Operators of four (sobel, prewitt, roberts, marr) image edge detection matlab source.)

说明：  简单的介绍了基于matlab的QR码的识别，包括图像的预处理，图像定位，图像的识别等(This paper briefly introduces the recognition of QR code based on matlab, including image preprocessing, image positioning, image recognition and so on.)

采用了Harrtraining和离子滤波算法实现了拥挤人群人头计数，非常有用。VC++和Opencv开发，采用Oepncv中的Harrtraining训练一个分类器即可运行(Human detection and tracking in high density crowds is an unsolved problem. Standard preprocessing techniques such as background modeling fail when most of the scene is in motion. We integrate human detection and tracking into a single framework, and in- troduce a conrmation-by-classication method to estimate condence in a tracked trajectory, track humans through occlusions, and eliminate false positive detections.)

说明：  图像特征提取的四种算法，花了很大的力气才弄来的！和大家分享！(Four types of image feature extraction algorithm, to spend a great deal of effort to get the! To share with you all!)

matlab程序添加水印的DCT算法，先将水印加密，然后嵌入图像中(matlab program to add a watermark in the DCT algorithm, first the watermark encryption, and embedded images)

说明：  这个程序可以用于两个图像的拼接，通过寻找特征点完成拼接(This program can be used to stitch two images and complete the stitching by finding feature points.)

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用来计算水印算法中的psnr值，非常好用一直在用这个(Watermarking algorithm used to calculate the value of psnr, very easy to use )