Yann Ricquebourg Patrick Bouthemy Real-Time Tracking of Moving Persons by Exploiting Spatio-Temporal Image Slices. 797-808 2000 22 IEEE Trans. Pattern Anal. Mach. Intell. 8 http://www.computer.org/tpami/tp2000/i0797abs.htm db/journals/pami/pami22.html#RicquebourgB00