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Authors: Marcos D. Zuniga and Cristian M. Orellana

Affiliation: Universidad Tecnica Federico Santa Maria, Chile

ISBN: 978-989-758-175-5

Keyword(s): Multi-target Tracking, Feature Tracking, Local Descriptors, Segmentation, Background Subtraction, Reliability Measures.

Related Ontology Subjects/Areas/Topics: Color and Texture Analyses ; Computer Vision, Visualization and Computer Graphics ; Features Extraction ; Image and Video Analysis ; Motion, Tracking and Stereo Vision ; Segmentation and Grouping ; Shape Representation and Matching ; Tracking and Visual Navigation ; Video Surveillance and Event Detection

Abstract: This work presents a new light-weight approach for robust real-time tracking in difficult environments, for situations including occlusion and varying illumination. The method increases the robustness of tracking based on reliability measures from the segmentation phase, for improving the selection and tracking of reliable local features for overall object tracking. The local descriptors are characterised by colour, structural and segmentation features, to provide a robust detection, while their reliability is characterised by descriptor distance, spatial-temporal coherence, contrast, and illumination criteria. These reliability measures are utilised to weight the contribution of the local features in the decision process for estimating the real position of the object. The proposed method can be adapted to any visual system that performs an initial segmentation phase based on background subtraction, and multi-target tracking using dynamic models. First, we present how to extract pi xel-level reliability measures from algorithms based on background modelling. Then, we present how to use these measures to derive feature-level reliability measures for mobile objects. Finally, we describe the process to utilise this information for tracking an object in different environmental conditions. Preliminary results show good capability of the approach for improving object localisation in presence of low illumination. (More)

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Paper citation in several formats:
Zuniga, M. and Orellana, C. (2016). Robust Real-time Tracking Guided by Reliable Local Features.In Proceedings of the 11th Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications - Volume 4 VISAPP: VISAPP, (VISIGRAPP 2016) ISBN 978-989-758-175-5, pages 59-69. DOI: 10.5220/0005727600590069

@conference{visapp16,
author={Marcos D. Zuniga. and Cristian M. Orellana.},
title={Robust Real-time Tracking Guided by Reliable Local Features},
booktitle={Proceedings of the 11th Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications - Volume 4 VISAPP: VISAPP, (VISIGRAPP 2016)},
year={2016},
pages={59-69},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0005727600590069},
isbn={978-989-758-175-5},
}

TY - CONF

JO - Proceedings of the 11th Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications - Volume 4 VISAPP: VISAPP, (VISIGRAPP 2016)
TI - Robust Real-time Tracking Guided by Reliable Local Features
SN - 978-989-758-175-5
AU - Zuniga, M.
AU - Orellana, C.
PY - 2016
SP - 59
EP - 69
DO - 10.5220/0005727600590069

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