A error concealment sorce code that writed by myself.It s psnr not as good as JM86,but it s good in edge information.Help someone can improve it and it can do something for those strugling for errorcealment of h.264.,A error concealment sorce code th

里面有怎样使用MATLAB进行图像读取，灰度化，增强和边缘检测的代码和说明。并且有详细的处理步骤，对初学者很有用。-Image processing Graytion Image Enhancement Edge Detection

the use of Gaussian filter function, using Matlab language, the preparation of Canny edge detector Matlab (or C language) function (2) the use of the above-mentioned function, an image of the (salt and pepper noise or Gaussian noise) for edge detecti

设计一个IIR数字低通滤波器， 逼近一组模拟滤波器的指标参数（通带截止频率Wp=2*pi*2000rad/s,阻带边界频率Ws=2*pi*3000rad/s,通带波纹 Rp=3db, 阻带衰减Rs=15db, 采样频率f=10000Hz）； 分别用脉冲响应不变法和双线性变换法实现设计，列出传递函数并描绘模拟和数字滤波器的幅频和相频响应曲线。用上述设计滤波器完成几组给定信号的滤波，证明滤波器的有效性和滤波范围限制.-Design a IIR digital low-pass filter, app

matlab编程进行图像边缘检测，包含各种边缘检测方法-matlab programming for image edge detection, includes a variety of edge detection methods