well there is a degree of falloff but a few things we can likely establish is that the base color values are likely all even, if you want to be pedantic to get the true base colour I would say sample the front boxes in the least ammount of direct light then take the shadowed and unshadowed diffuse spots around the boxes,…
Even before the PBR workflow went mainstream, I found the existence of the diffuse/albedo texture made more sense, when you think of its relation to local light sources. No object in life is naturally brown, blue, purple etc. What we're seeing are rays of light hit an object and then it bounces back into our eyes. It's why…