基于contourlet几何信息的图像去噪程序，该程序包括小波硬阈值方法，contourlet硬阈值方法，小波和循环平移结合的方法，contourlet和循环平移结合的方法，还有本文方法。-Based on geometric information contourlet denoising program that includes wavelet hard threshold method, contourlet hard threshold method, wavelet and recy