Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

VIP Gamma Corrector

Hi, I'm trying to find out what the VIP Gamma Corrector really does. In the application note to the UDX4 High Definition Reference Design (an627.pdf) the Gamma Corrector is used to conver...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

Hi,

The Gamma Corrector does not change the pixel depth (bits per pixel). It does exactly what its name says - Gamma Correction. This is a non-linear transformation of the pixel intensity to compensate for the non-linear response of displays. Look up Gamma Correction in Wikipedia for a better description. I am not aware of any VIP core that can change the pixel depth, although this is not too hard to write yourself.

Regards,

Niki