@article{haase2014comparative,<br>  author = {Daniel Haase and John A. Nyakatura and Joachim Denzler},<br>  title = {Comparative Large-Scale Evaluation of Human and Active Appearance Model Based Tracking Performance of Anatomical Landmarks in X-ray Locomotion Sequences},<br>  journal = {Pattern Recognition and Image Analysis. Advances in Mathematical Theory and Applications (PRIA)},<br>  pages = {86--92},<br>  year = {2014},<br>}<br>