Re: entropy of an image
- To: mathgroup at smc.vnet.net
- Subject: [mg81236] Re: entropy of an image
- From: vickyisai at gmail.com
- Date: Mon, 17 Sep 2007 03:32:58 -0400 (EDT)
- References: <firstname.lastname@example.org>
On Sep 16, 2:09 am, vickyi... at gmail.com wrote:
> I want to plot entropy and information content of an image in Mathematica.
> I know the formula of entropy(, but i m not able to make out how to
> plot it for an image. (because entropy = sum of all p lg p. But how do i take p ( that is distribution of intensity values. as i have ppm image ,it has 3 intensity >values , one each for R G and B.
> And what if i have two images , how can i plot ther joint entropy?
> I checked in mathematica help for entropy and it takes me to a web
> page of Mathematica wavelet explorer.
> how to go about plotting entropy?
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