See https://scholar.google.com/scholar?hl=en&q=COMPARAMETRIC+IMAGE+COMPOSITING%3A+COMPUTATIONALLY+EFFICIENT+HIGH+DYNAMIC+RANGE+IMAGING+&btnG=&as_sdt=1%2C5&as_sd

See https://scholar.google.com/scholar?hl=en&q=COMPARAMETRIC+IMAGE+COMPOSITING%3A+COMPUTATIONALLY+EFFICIENT+HIGH+DYNAMIC+RANGE+IMAGING+&btnG=&as_sdt=1%2C5&as_sdtp= https://scholar.google.com/scholar?hl=en&q=COMPARAMETRIC+IMA... This paper discusses exactly the scenario you discuss.