题目内容

The gray scale of a digital image is [0,15], then the bit depth of it is ______ .

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Digitizing the coordinate values is called ______ .

Which one doesn’t belong to gray scale transfomration?

A. exponential transformation
B. logarithm transformation
C. linear transformation
D. wavelet transformation

Which kind of lowpass filters have ringing properties?

A. Ideal
Butterworh
C. Gaussian
D. Sharpening

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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