题目内容

Which one belongs to the research contents of digital image processing?

A. image encoding
B. image enhancement
C. image transform
D. image segmentation

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The process of using a pattern of solid dots to simulate shades of gray is called ______ .

______ operation takes a single input image into a single output image in such a way that each output pixel's gray level depends only upon the gray level of the corresponding input pixel.

______ are the means by which information is conveyed.

Each pixel has two attributes at least: ______ and gray-level value.

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