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\bibitem{2121} Miguel Reyes, Albert Clapes, Luis Felipe Mejia, Jose Ramirez, Juan R Revilla, \& Sergio Escalera. (2012). Posture Analysis and Range of Movement Estimation using Depth Maps. In \textit{21st International Conference on Pattern Recognition International Workshop on Depth Image Analysis} (Vol. 7854, pp. 97--105). Springer Berlin Heidelberg.

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