What exactly is Normalization of a matrix/image?

asked 2015-02-18 07:22:14 -0500

Potato gravatar image

updated 2015-02-18 07:25:04 -0500

I was taking a look at the histogram calculation function in this tutorial code ..> http://docs.opencv.org/doc/tutorials/...

At the end of the program, they have used a function normalize( ). My question is, what does normalization do exactly? and what is it's specific purpose in this example?

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Comments

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do you recall , what a 'unit vector' is (in 2d or 3d) ? it's basically the same idea

berak gravatar imageberak ( 2015-02-18 17:34:48 -0500 )edit