Definitions by cybergon

JPG 

Shorter extension for the JPEG file that stands for "Joint Photographic (Experts) Group"

Girl: look for the picture called Summer_vacations.jpg where you can see the cool sunset.

JPG by cybergon October 21, 2008

PSNR 

Peak signal-to-noise ratio its the way to refer at the maximun difference between an original signal and its noise-affected version

the PSNR of a JPG compressed image is larger than the one of a J2K compressed image

PSNR by Cybergon June 18, 2008