Quote:
Originally Posted by foxyshadis
It never ceases to astonish me how every single codec seems to prize PSNR over visual quality at the start, after all these years, and bolt on psychovisual as an afterthought. Also, how many codecs are designed with only low-bitrate in mind, assuming that high bitrate will automatically be transparent, so there's no reason to waste time on that. You'd think that Google would have, well, Googled for the successes and failures in this field before surging ahead. Or at least listened to Monty, since he's The Woz of codec design.
|
PSNR may not be good, but it is easy to calculate.
And Google
REALLY likes objective metrics. They trust a number from a computer more than their own eyes.
It's one of those "looking where the light is" kinds of problems.