这是DCT的改进算法，可以提高DCT算法的执行速度。

用matlab 实现的 噪声添加函数代码。-Matlab implementation of the noise used to add function code.

jpeg压缩与解码的小程序，vc下开发的。//Name:compress.c//Purpose: Run length algorithm and Jpeg decoding//Author: phoenix, CS, TshingHua, Beijing, P.R.C.//Email: bjlufengjun@www.163.net or lufengjun@hotmail.com//Date:April 3, 1998-a small programme of jpeg codec and decode in VC

快速付立叶变换快速付立叶反变换离散余弦变换沃尔什－哈达玛变换图像的付立叶变换图像的离散余弦变换图像的沃尔什－哈达玛变换-Fast Fourier Transform Fast Fourier Transform Discrete Cosine Transform Walsh- Hadamard Transform Image Fourier Transform of the discrete cosine transform image images Walsh- Hadamard Transform

显示图片中的每一帧，各位可以根据需要进行修改-showed pictures of each frame, you may need to be revised

本代码用于人脸识别，可以在ORL、Yale、AR等人脸库上测试使用。-The code for face recognition, can ORL, Yale, AR face database, such as the use of the test.

osg2.0源代码，版本更新可到osg官方网站下载-osg2.0 source code, version update to the official website of OSG Download

JPEG压缩matlab代码, JPEG压缩matlab代码-Matlab code JPEG compression, JPEG compression matlab code

静态图像的多描述编码，将一副bmp图像编码成为两个JPEG2000格式的描述，在解码端收到的描述不同，将获得不同的解码效果，收到的描述越多解码效果越好。 -static images of multiple description coding, bmp image to a two JPEG2000 coding format description, received at the decoder description, will be different decoder effects, the description received more decoding the better the results.

图形学和数据结构的一些算法 还有图形学的一些算法的演示-graphics and data structure of the algorithm there are some graphics algorithm demo

implementation of SURF feature extractor