9/14/2001
CS 461, Copyright G.D. Hager
Other Types of Noise
•Impulsive noise
–randomly pick a pixel and randomly set ot a value
–saturated version is called salt and pepper noise
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•Quantization effects
–Often called noise although it is not statistical
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•Unanticipated image structures
–Also often called noise although it is a real repeatable signal.