How to find variance,entropy,average gradient of an image?

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Aditi on 23 May 2011

[EDIT: Mon May 23 17:42:16 UTC 2011 - Removed Duplicates - MKF]

[EDIT: 20110523 13:03 CDT - clarify - WDR]

how to find variance, entropy, average gradient of an image?...my image is of class uint8...

Sean de Wolski on 23 May 2011

doc mean
doc var
doc gradient
doc entropy
doc double  %convert from uint8

Aditi on 23 May 2011

what does doc stand for

Sean de Wolski on 23 May 2011

Documentation. Type each of those lines at the command window and read the ensuing documentation.

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