Abstract
Occurrence of occlusion while providing visual surveillance leads to anarchy as the track of the subject under motion may be lost. This often results into the failure of the surveillance system. The approach of predicting motion of moving subjects and hence the chances of their mutual occlusion gives an upper hand to surveillance system to take in-time necessary action towards mitigation of loss of track during dynamic occlusion. Direction of motion of a moving subject plays a major role while studying its motion. Direction along with the velocity of a subject in a 3D plane completely describes the motion of any subject. This article proposes a model‘-based approach for direction prediction of a moving subject in a 3D global plane as acquired in a 2D camera plane. The proposed approach uses the eight discrete directions of motion as proposed in and models different directions. The proposed direction prediction method is experimentally verified with six different classifiers, i.e. regression analysis, simple logistic regression, MLP, k-NN, SVM and Bays classifier over existing as well as self-acquired databases. The initial simulation results are motivating as the overall accuracies achieved through different classifiers are of the range of 87–94 \(\%\), which advocates the suitability of the said approach.
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Acknowledgments
The authors would like to thank all the co-researchers of Computer Vision Research Labs at The Department of Computer Science and Engineering, National Institute of Technology, Rourkela, for their active co operation towards manifestation of this research.
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Raman, R., Sa, P.K. & Majhi, B. Direction prediction for avoiding occlusion in visual surveillance. Innovations Syst Softw Eng 12, 201–214 (2016). https://doi.org/10.1007/s11334-016-0278-6
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DOI: https://doi.org/10.1007/s11334-016-0278-6