Reminds me of the "frequency separation" [1] technique, used a lot in the high end retouching business. [1] https://fstoppers.com/post-production/ultimate-guid

Reminds me of the "frequency separation" [1] technique, used a lot in the high end retouching business. [1] https://fstoppers.com/post-production/ultimate-guide-frequency-separation-technique-8699 https://fstoppers.com/post-production/ultimate-guide-frequen...