@David_Tschumperle I just signed up at GitHub as
afr-e. I waited too long; someone took
Yes, looks like something people actually use. Looks simple but as usual the math and programming will take me a while to digest.
Are you saying that I could apply this principle to @garagecoder filter? If so, I will take a look when I have the time.
As mentioned, the current issue that I am having with Luijk’s curve is that I am getting a kink when a ≠ b. Also, the overall curve isn’t as smooth as I would like it. Maybe I am just stuck on appearances and it isn’t a big deal once I apply it to a real image.