@TECHREPORT{RKHSBKS05,   author = {B. Rosenhahn and U. Kersting and L. He and A. Smith and T. Brox and R. Klette and H. P. Seidel} ,   title = {A silhouette based human motion tracking system} ,   month = {August} ,   year = {2005} ,   address = {New Zealand} ,   number = {164} ,   institution = {Centre for Imaging Technology and Robotics, University of Auckland} ,   type = {Technical report} }