about that saying oh this directions like too hard to look at like you can decide to never fly in that direction but that's that's very limiting so we published one paper here a couple of years ago with research in turn and Alex Kendall and the the paper was basically trying to combine a classical stereo matching pipeline like geometric reasoning about stereo vision with with deep learning to learn features and do the matching so at the time we we did really well on these the kiddie self-driving data set which we submit it