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Dr. Ahmed Taha Abd El-Fatah Taha Abd Allah :: Publications:

Human Activity Recognition for Surveillance Applications
Authors: Ahmed Taha, Hala H. Zayed, M. E. Khalifa and El-Sayed M. El-Horbaty
Year: 2015
Keywords: Activity Recognition; Depth Images; HMM; Behavior Analysis; Video Surveillance
Journal: ICIT 2015 The 7th International Conference on Information Technology
Volume: Not Available
Issue: Not Available
Pages: 577-586
Publisher: Not Available
Local/International: International
Paper Link: Not Available
Full paper Ahmed Taha Abd El-Fatah Taha Abd Allah_0002.pdf
Supplementary materials Not Available

The analysis of human activities is one of the most interesting and important open issues for the automated video surveillance community. In order to understand the behaviors of humans, a higher level of understanding is required, which is generally referred to as activity recognition. While traditional approaches rely on 2D data like images or videos, the development of low-cost depth sensors created new opportunities to advance the field. In this paper, a system to recognize human activities using 3D skeleton joints recovered from 3D depth data of RGB-D cameras is proposed. A low dimensional descriptor is constructed for activity recognition based on skeleton joints. The proposed system focuses on recognizing human activities not human actions. Human activities take place over different time scales and consist of a sequence of sub-activities (referred to as actions). The proposed system recognizes learned activities via trained Hidden Markov Models (HMMs). Experimental results on two human activity recognition benchmarks show that the proposed recognition system outperforms various state-of-the-art skeleton-based human activity recognition techniques.

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