Fourier-Descriptor

图像处理中的一种降噪方法，对去掉图像的噪声有很好的效果(Image processing method of a noise reduction of images to remove the effect of noise has a very good)

图像边沿提取，程序简单，适合图像处理初学者。(Image edge extraction, the procedure is simple, suitable for image processing for beginners.)

harris角点检测，并且实现两幅图像特征点的匹配，最终完成图像的拼接(harris corner detection, and realize two image feature point matching, the final completion of image stitching)

多光源光度立体法实现，用于表面纹理处理：根据光源入射向量球表面梯度进而实现三维重建(The multi source photometric stereo method is used to realize the surface texture processing: the 3D reconstruction is realized according to the surface gradient of the incident vector of the light source.)

关于遥感影像分类和变化检测的一本外文数据，其特色在于用IDL实现了很多经典算法，很值得借鉴！(Foreign language data on a remote sensing image classification and change detection, which feature IDL achieve many classical algorithm, it is worth learning!)

说明：  无下采样的contourlet变换阈值去噪； 无下采样的contourlet变换matlab7.0工具箱(No down-sampling of Contourlet Transform Thresholding Denoising without down-sampling the transform Contourlet matlab7.0 Toolbox)

SIFT 算法的实质上是提取局部特征的算法, 该算法在尺度空间寻找极值点, 然后根据极值点来获得尺度、旋转不变量和位置等特征。(In essence, the SIFT algorithm is an algorithm to extract local features. The algorithm finds the extreme points in the scale space and then obtains the characteristics of scale, rotation invariant and position according to the extreme point.)

The QTimer class provides repetitive and single-shot timers for Linux.

N年前上数字图像课时写的实验报告和程序，用滤波反投影（Filter Back Project，FBP)法重建图像。(Report and source code for data image restore experiment, using FBP.)

vc+matlab的混合编程三维图像方面的。很有用。还不错。(Hybrid programming to achieve three-dimensional image reconstruction )