Certain information simply has less relative importance than other information in normal visual processing. This information is said to be ( ) redundancy.
A. code redundancy
B. spatial redundancy
C. interpixel redundancy
D. psychovisually redundancy
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In HSI color space, S represents （）.
The appearance of false contour in the image is due to the high spatial resolution of the image.
Binary image just has two gray levels.
If two pixels are 8-adjacent, they must be 4-adjacent.
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