@TechReport{TR098,
  author =	 "Adrian Ion and Yll Haxhimusa and Walter
                  G. Kropatsch",
  title =	 "A Graph-Based Representation for Spatiotemporal
                  Information in Cognitive~Vision",
  institution =	 "PRIP, TU Wien",
  number =	 "PRIP-TR-098",
  year =	 "2005",
  url =		 "https://www.prip.tuwien.ac.at/pripfiles/trs/tr98.pdf",
  abstract =	 "A concept relating story-board description of video
                  sequences with spatio-temporal hierarchies build by
                  local contraction processes of spatio-temporal
                  relations is presented. Object trajectories are
                  curves in which their ends and junctions are
                  identified. Junction points happen when two (or
                  more) trajectories touch or cross each other, which
                  we interpret as the ``interaction'' of two
                  objects. Trajectory connections are interpreted as
                  the high level descriptions.",
}