colour intensity from different areas

getting out the intensities of image by converting it into gray scale is good, but what if we want to get the intensities from coloured images only please suggest?

Answer 1

[vidhathri bhat]

Hi

Intensity of image is given by (R+G+B)/3. You can calculate it using matlab. Refer to this page.

https://www.imageeprocessing.com/2013/05/converting-rgb-image-to-hsi.html