CONF Heili_ICIP_2014/IDIAP Improving Head and Body Pose Estimation through Semi-supervised Manifold Alignment Heili, Alexandre Varadarajan, Jagannadan Ghanem, Bernard Ahuja, Narendra Odobez, Jean-Marc EXTERNAL http://publications.idiap.ch/attachments/papers/2014/Heili_ICIP_2014.pdf PUBLIC International Conference on Image Processing 2014