Binary Sparse Coding. - Marc Henniges; Gervasio Puertas; Jörg Bornschein; Julian Eggert; Jörg Lücke (LVA/ICA, 2010)

The Maximal Causes of Natural Scenes are Edge Filters. - Gervasio Puertas; Jörg Bornschein; Jörg Lücke (NIPS, 2010)