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What causes the effect, imperceptible set of very fine ridge like structures in areas of smooth gray levels?

Posted: Thu Jul 14, 2022 10:06 am
by answerhappygod
a) Caused by the use of an insufficient number of gray levels in smooth areas of a digital image
b) Caused by the use of huge number of gray levels in smooth areas of a digital image
c) All of the mentioned
d) None of the mentioned