How to scale image relative to the screen size?

如何尺度图像相对于屏幕的尺寸吗？

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Gray scale image have more information than the binary image.

与二值图像相比灰度图像具有丰富的信息。

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My question is related to reduction of storage space requirements in a large scale image generation system.

我的问题是在大规模的图像生成系统的存储空间需求减少有关。

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The destruction of the World Trade Centre was a terrible, depraved, large-scale mirror image of what is already the experience of many outside the developed world: people, going about their normal business, being obliterated out of the blue by the planned, hostile actions of others.

ECONOMIST: Responding to terror

Once he regains his health and finally commits long-term to a franchise, only then will we see Mr. Howard begin a full-scale rehabilitation of his image.

FORBES: Dwight Howard's Dwindling Popularity may Diminish Future Endorsement Opportunities

In the new image, the full-scale distribution of vast clumps of dark matter can be seen around galaxy clusters, connected by wispy filaments of dark matter and trailing off to enormous voids where no matter exists.

BBC: Dark matter hints in widest-yet view of dark mystery