of imagenet so what we know exactly where these images came and it's kind of it was supposed to be for video but you could just use this for detection and classification and what we did is we invented a metric that's fairly reasonable metric which is you teach you cheat each video as a set of similar images and then for every frame you pick a K and you look in the neighborhood of that K and you see if you could find one where you get a miss classification this just allowed us to prune through that data set pretty quickly so remember that