Krystian Mikolajczyk Cordelia Schmid Andrew Zisserman Human Detection Based on a Probabilistic Assembly of Robust Part Detectors. 69-82 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3021&spage=69 2004 conf/eccv/2004-1 ECCV (1) db/conf/eccv/eccv2004-1.html#MikolajczykSZ04