Felice Andrea Pellegrino Walter Vanzella Vincent Torre How the Spatial Filters of Area V1 Can Be Used for a Nearly Ideal Edge Detection. 38-49 2002 conf/bmcv/2002 Biologically Motivated Computer Vision http://link.springer.de/link/service/series/0558/bibs/2525/25250038.htm db/conf/bmcv/bmcv2002.html#PellegrinoVT02