How do i implement Total Dissipated Power (TDP) for Displaying a Colour Image inmatlab

QUESTION A: As in attached image, where 1) wr, wg, wb - are weighting coefficient inversely proportional to the sub pixel coefficients ,which depends on the physical characteristics of the specific display panel.

2) Ri, Bi, Gi - denotes the RGB color vector of the ith pixels

3) N denotes the number of the pixels in the images.

QUESTION B: Could you also please assist on how to get/calculate the wr, wb, wg.

Thanks in advance

[Rena Berman]

(Answers dev) restored question

Answer 1

[Image Analyst]

No. It's probably described in whatever paper or web site you got this from though.