the kind of fun thing you can do there is to say oh well whatever you predicted before the Sun was there you should predict the same thing with the Sun so that's kind of one way of getting at just without knowing everything at least gaining some robustness to a really big bright Sun okay let me show a little bit about tracking and detection so this is kind of a fun video of just tracking somebody through a forest with a bunch of lighting changes and occlusions and pose change so people change shape a lot and we're reproject ejector ii into the