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

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.

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