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Is there a built-in function to calculate the variance of a cv::Mat ?

asked 2015-01-28 12:59:02 -0500

Dionysos gravatar image

This is in order to normalize the cv::Mat before feeding it to an ANN

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answered 2015-01-28 13:09:52 -0500

Guanta gravatar image

Yes, there exist the function meanStdDev(). Since the standard deviation is the square root of the variance, you just need to square the result.

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Asked: 2015-01-28 12:59:02 -0500

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Last updated: Jan 28 '15