The original article appears is http://arxiv.org/abs/1112.6209 http://arxiv.org/abs/1112.6209 (as noted in the article). I did only print it (yet), but from

The original article appears is http://arxiv.org/abs/1112.6209 http://arxiv.org/abs/1112.6209 (as noted in the article). I did only print it (yet), but from the abstract it appears that they did mainly tried face recognition, not trying to find cats.