小波阈值去噪。对图像加噪，并进行小波1到4层分解去噪，给出信噪比走势图...

霍夫变换可以进行边值提取功能，在数字图像处理上功能强大-hough

在MATLAB环境下，模拟图像受高斯白噪声和椒盐噪声的影响 P0306：采用二维中值滤波函数-In the MATLAB environment to simulate the image by Gaussian white noise and salt and pepper noise P0306: A two-dimensional median filter function

计算多边形的周长及面积- Computation polygon perimeter and area

运用contourlet变换和小波变换对图像进行去噪处理,并将二者的去噪效果通过PSNR进行对比.文中包含去噪.m文件和求PSNR的.m文件.程序中注释详细,值得参考.通过测试的代码.-Use Contourlet transform and wavelet transform for image denoising treatment, and the denoising effect of the adoption of both PSNR comparison. Paper contains denoising. M documents and PSNR for the. M file. Program notes in detail, it is also useful. Through test code.

关于灰度点运算的代码程序。数字图像处理中点运算是基本的图像处理方法-Computing points on the gray code procedures. Digital image processing operation is the midpoint of basic image processing methods

这个matlab程序实现图像的任意角度的顺时针旋转。-The matlab program images at any angle of clockwise rotation.

converts a given image from cartesian coordinates to polar coordinates. 此code可以将一个Iris image变成一个polar coordinates image-converts a given image from cartesian coordinates to polarcoordinates. This code can be an Iris image into a polar coordinates image

混合高斯模型的经典文章，费了我好大的劲才能找到-Gaussian mixture model of the classic article, took me to find a good big Jin

用于实现相机的自动调焦，里面又自己定义的调焦函数，利用清晰度评价的方法去调焦。用于实际的工程运用。-Used to implement auto-focus camera, which has its own definition of focusing function, the use of evaluation methods to focusing clarity. Used in actual engineering applications.

本科数字图像处理试验程序2，包括图像锐化分割等-Undergraduate digital image processing, two testing procedures, including image sharpening segmentation