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Authors: Rensso Mora Colque 1 ; Edward Cayllahua 1 ; Victor C. de Melo 2 ; Guillermo Camara Chavez 3 and William Robson Schwartz 2

Affiliations: 1 Universidad Católica San Pablo, DCC, Arequipa, Perú ; 2 Universidade Federal de Minas Gerais, DCC, Belo Horizonte, Brazil ; 3 Universidade Federal de Ouro Preto, ICEB, Ouro Preto, Brazil

Keyword(s): Anomaly Recognition, Trajectory Analysis, Recurrent Autoencoder.

Abstract: In this work, we propose a novel approach to detect anomalous events in videos based on people movements, which are represented through time as trajectories. Given a video scenario, we collect trajectories of normal behavior using people pose estimation techniques and employ a multi-tracking data association heuristic to smooth trajectories. We propose two distinct approaches to describe the trajectories, one based on a Convolutional Neural Network and second based on a Recurrent Neural Network. We use these models to describe all trajectories where anomalies are those that differ much from normal trajectories. Experimental results show that our model is comparable with state-of-art methods and also validates the idea of using trajectories as a resource to compute one type of useful information to understand people behavior; in this case, the existence of rare trajectories.

CC BY-NC-ND 4.0

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Paper citation in several formats:
Colque, R.; Cayllahua, E.; C. de Melo, V.; Chavez, G. and Schwartz, W. (2020). Anomaly Event Detection based on People Trajectories for Surveillance Videos. In Proceedings of the 15th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications (VISIGRAPP 2020) - Volume 5: VISAPP; ISBN 978-989-758-402-2; ISSN 2184-4321, SciTePress, pages 107-116. DOI: 10.5220/0008952401070116

@conference{visapp20,
author={Rensso Mora Colque. and Edward Cayllahua. and Victor {C. de Melo}. and Guillermo Camara Chavez. and William Robson Schwartz.},
title={Anomaly Event Detection based on People Trajectories for Surveillance Videos},
booktitle={Proceedings of the 15th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications (VISIGRAPP 2020) - Volume 5: VISAPP},
year={2020},
pages={107-116},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0008952401070116},
isbn={978-989-758-402-2},
issn={2184-4321},
}

TY - CONF

JO - Proceedings of the 15th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications (VISIGRAPP 2020) - Volume 5: VISAPP
TI - Anomaly Event Detection based on People Trajectories for Surveillance Videos
SN - 978-989-758-402-2
IS - 2184-4321
AU - Colque, R.
AU - Cayllahua, E.
AU - C. de Melo, V.
AU - Chavez, G.
AU - Schwartz, W.
PY - 2020
SP - 107
EP - 116
DO - 10.5220/0008952401070116
PB - SciTePress