04-02-2021 04:13 AM
Hi,
What kind of formula does imaqBCGLookup perform brightness conversion?
I assume it's y = 255*((tan(contrast)(x-128) + brightness)/255)^gamma.
Is it right?
05-05-2021 07:44 AM
How did you come up with this formula?
Did you see it somewhere? I could not find it.
05-05-2021 09:47 AM
@tottorico wrote:
Hi,
What kind of formula does imaqBCGLookup perform brightness conversion?
I assume it's y = 255*((tan(contrast)(x-128) + brightness)/255)^gamma.
Is it right?
Almost right.
Quick and dirty test: