How to calculate the energy of an image and what is the unit of that energy ?

How to calculate the energy of an image and what is the unit of that energy ?

Answer 1

[Jürgen]

Hi, maybe ths helps: http://www.mathworks.com/matlabcentral/fileexchange/13837-meanstdenergy-of-imagecumulative-gray-level-distrubitionmode-of-image-entropy-histogram-modifi regardsJ

[Jürgen]

sorry I sax the same question below??? and it already has an accepted answer?