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: <fciocb$79$1@smc.vnet.net>
On Sep 16, 2:09 am, vickyi... at gmail.com wrote: > hello > > 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? > > thanks