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HMM_ICPR2016

Fast gesture recognition with Multiple StreamDiscrete HMMs on 3D Skeletons

Abstract: HMMs are widely used in action and gesture recognition due to their implementation simplicity, low computational requirement, scalability and high parallelism. They have worth performance even with a limited training set. All these characteristics are hard to find together in other even more accurate methods. In this paper, we propose a novel doublestage classification approach, based on Multiple Stream Discrete Hidden Markov Models (MSD-HMM) and 3D skeleton joint data, able to reach high performances maintaining all advantages listed above. The approach allows both to quickly classify presegmented gestures (offline classification), and to perform temporal segmentation on streams of gestures (online classification) faster than real time. We test our system on three public datasets, MSRAction3D, UTKinect-Action and MSRDailyAction, and on a new dataset, Kinteract Dataset, explicitly created for Human Computer Interaction (HCI). We obtain state of the art performances on all of them.


Citation:

Borghi, Guido; Vezzani, Roberto; Cucchiara, Rita "Fast gesture recognition with Multiple StreamDiscrete HMMs on 3D Skeletons" Proceedings of the 23rd International Conference on Pattern Recognition, Cancun, Dec 4-8, 2016, 2016 DOI: 10.1109/ICPR.2016.7899766

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