matlab图像去噪均值、中值、巴特沃斯滤波方法我要分享

中文说明：对所获取的图像添加高斯噪声和椒盐噪声，利用均值、中值、巴特沃斯滤波器进行去噪。

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English Description：

Gaussian noise and salt and pepper noise are added to the acquired image, and mean value, median value and Butterworth filter are used for denoising.