利用峰值信噪比对去噪性能进行比较

代码说明：

  分别利用均值滤波、自适应滤波和中值滤波对噪声图像g1和g2进行滤波，利用峰值信噪比对去噪性能进行比较。(Respectively, using the mean filter, adaptive filtering and median filtering images g1 and g2 noise filtering, denoising performance comparison using the peak signal-to-noise ratio.)

文件列表：

aaa.m,1757,2012-09-05
bbb.m,1755,2012-09-05
snr2.m,725,2012-09-05