Matheen Siddiqui, Gérard G. Medioni. Efficient Upper Body Pose Estimation from a Single Image or a Sequence. In Ahmed M. Elgammal, Bodo Rosenhahn, Reinhard Klette, editors, Human Motion - Understanding, Modeling, Capture and Animation, Second Workshop, Human Motion 2007, Rio de Janeiro, Brazil, October 20, 2007, Proceedings. Volume 4814 of Lecture Notes in Computer Science, pages 74-87, Springer, 2007. [doi]