Sony has been futzing about with head-tracking technology via its PlayStation Eye peripheral for a long time, showing off an early version of the camera trickery at last year's Game Developers Conference. How far they've come!

Now, as demonstrated at this year's CEDEC 09 conference in Japan, the PlayStation 3 and PlayStation Eye can interpret human heads at a much more refined level, turning human faces into those of cows or your standard anime boy or girl. DigInfo.tv has video of the "Vision Library for PlayStation Eye" in action, which may just haunt your dreams, unless your fetishes include Japanese women with duckbills.

Sony has stressed that it can compete technology-wise with the promise of Microsoft's Project Natal, saying that it's Eye-powered facial recognition tech can detect gender, age, distinct facial features and whether the subject is smiling.

Vision Library for PlayStation Eye : DigInfo [DigInfo.tv]