Chihping Hsu Toshimitsu Tanaka Noboru Sugie Kouzi Ueda Locating Vehicles in a Parking Lot by Image Processing. 475-478 2002 MVA http://b2.cvl.iis.u-tokyo.ac.jp/mva/proceedings/CommemorativeDVD/2002/papers/2002475.pdf conf/mva/2002 db/conf/mva/mva2002.html#HsuTSU02