Makoto Kato Toyohisa Morita Shin'ichiro Miyaoka Makoto Noumi Application of Hopfield Network to Human-Guided Contour Extraction. 413-416 1990 MVA http://b2.cvl.iis.u-tokyo.ac.jp/mva/proceedings/CommemorativeDVD/1990/papers/1990413.pdf conf/mva/1990 db/conf/mva/mva1990.html#KatoMMN90