Entropy of image

Hi,
For a 2D image with intensity values I(x_i) where x_i is the location of
ith pixel within the image, is there any relationship (correlation etc.) of
following expression

sum_i I(x_i) log (I(x_i)) 

 with the entropy of an image? 

Sylvia

On Jul 30, 12:26&#4294967295;pm, "Sylvia" <sylvia.za...@gmail.com> wrote:
> Hi,
> For a 2D image with intensity values I(x_i) where x_i is the location of
> ith pixel within the image, is there any relationship (correlation etc.) of
> following expression
>
> sum_i I(x_i) log (I(x_i))
>
> &#4294967295;with the entropy of an image?
>
> Sylvia

Look up entropy, entropy power inequality, and vector entropy
inequality

Maurice Givens