I'm resurrecting my old thread to post some news.
As I've done "The Thing" project lately, and results were not bad, I thought to use the same technique to color grading the "pyramid" captures.
Here you are a screenshot; first "pyramid" as is, second with noise reduction and color matching my [ruLes] project (click for bigger version):
a clip is available HERE
Still not perfect, but waaay better than before, don't you think?