I have a trivial question! I looked about it, but I am still not sure! Something simple confuses me! I would be grateful if someone can clear me!
In a digital image, is the "light intensity" exactly the same as "grayvalue"?
By light intensity I mean the power (energy) of the light source such as laser, and by the grayvalue, I mean the grayscales of the resulting recorded digital image (due to that light)?
I have seen in some book that these two are related, but it did not say how. I saw somewhere else that these two are the same! That is why I asked this question!
Thank you so much!