Phasing Grace has a post about an open source Stanford project called Siritaka. There’s a few videos there. It’s apparently launching soon.
Sirikata Teaser from Sirikata on Vimeo.
The teaser trailer has much the same generic VW look that is becoming the standard these days — nice looking avatar, too! — but I have not yet had time to dig into the technical talk.
Sirikata Architecture from Sirikata on Vimeo.