题目内容

视频会议中用到的主要图像处理技术是:

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

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

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

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.