GCV阈值，在图像去噪上广泛应用，其值接近理想门限，去噪效果相当好，结果小波，更可以达到更佳的效果。-GCV threshold, widely applied in image denoising and its value is close to the ideal threshold, de-noising result was very good, the results of wavelet, but also can achieve better results.

一个可以运行的小波GCV阈值去噪的程序，matlab平台-GCV wavelet denoising，matlab