To ensure the security of wartermark, the wartermark image was scrambled beforeembedding and then expanded to the twifold size of the original image.
为保证水印的安全性,在嵌入之前先对水印图像作置乱处理,再将水印图像位扩展为原始图像的两倍大小。
If you think about it, an image with curved corners can be made by taking some standard pre-made corners, and superimposing them over the original image.
如果您考虑一下,可以通过将一些标准预制的角叠加到原始图像上来制作出具有圆角的图像。
Server instances startup with the contents of their parent image. Upon server failure/restart the disk reverts back to the original image definition.
长久以来,服务器实例(server instantces)一直以父节点映像启动,当服务器发生故障或重启时,磁盘会恢复到原有映像。
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