The idea is based on weighted mean filter, which uses the histogram function of the corrupted image as weight.

该算法以加权均值滤波器为基础，利用被污染图像的直方图函数作为权值进行加权运算。

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Once FSCK is run for all the corrupted DASDs, the system needs to be rebooted, resulting in the image coming up successfully on the subsequent reboot.

当fsck在所有损坏的DASD上运行时，必须重启系统。下一次重新引导时，该映像将成功启动。

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As can be seen in Figure 4, the image becomes corrupted during the switching time.

如图4所示，切换期间的图像发生损坏。

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When authorised users open the file, they see the watermark, which tells them that the image has not been manipulated or corrupted in some irreversible way.

ECONOMIST: MONITOR