can any one tell me what is the meaning of mask = redChannel <= 20 & greenChannel <= 20 & blueChannel <= 20;

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mask = redChannel <= 20 & greenChannel <= 20 & blueChannel <= 20; this statement is in the test.m programe so any one can explain me why we use this line code i attached the code

Accepted Answer

Walter Roberson
Walter Roberson on 7 May 2014
The result would be to detect anything "close" to absolute black.

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