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Authors: Satish Madhogaria 1 ; Marek Schikora 2 and Wolfgang Koch 1

Affiliations: 1 Fraunhofer FKIE, Germany ; 2 Fraunhofer FKIE and Technical University of Munich, Germany

Keyword(s): Car Detection, Image Analysis, HOG, SVM, LSVM, Part Models, Aerial Images.

Abstract: Vehicle detection in aerial images plays a key role in surveillance, transportation control and traffic monitoring. It forms an important aspect in the deployment of autonomous Unmanned Aerial System (UAS) in rescue and surveillance missions. In this paper, we propose a two-stage algorithm for efficient detection of cars in aerial images. We discuss how sophisticated detection technique may not give the best result when applied to large scale images with complicated backgrounds. We use a relaxed version of HOG (Histogram of Oriented Gradients) and SVM (Support Vector Machine) to extract hypothesis windows in the first stage. The second stage is based on discriminatively trained part-based models. We create a richer model to be used for detection from the hypothesis windows by detecting and locating parts in the root object. Using a two-stage detection procedure not only improves the accuracy of the overall detection but also helps us take complete advantage of the accuracy of sophist icated algorithms ruling out it’s incompetence in real scenarios. We analyze the results obtained from Google Earth dataset and also the images taken from a camera mounted beneath a flying aircraft. With our approach we could achieve a recall rate of 90% with a precision of 94%. (More)

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Paper citation in several formats:
Madhogaria, S.; Schikora, M. and Koch, W. (2013). Using Whole and Part-based HOG Filters in Succession to Detect Cars in Aerial Images. In Proceedings of the International Conference on Computer Vision Theory and Applications (VISIGRAPP 2013) - Volume 1: VISAPP; ISBN 978-989-8565-47-1; ISSN 2184-4321, SciTePress, pages 681-686. DOI: 10.5220/0004297406810686

@conference{visapp13,
author={Satish Madhogaria. and Marek Schikora. and Wolfgang Koch.},
title={Using Whole and Part-based HOG Filters in Succession to Detect Cars in Aerial Images},
booktitle={Proceedings of the International Conference on Computer Vision Theory and Applications (VISIGRAPP 2013) - Volume 1: VISAPP},
year={2013},
pages={681-686},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0004297406810686},
isbn={978-989-8565-47-1},
issn={2184-4321},
}

TY - CONF

JO - Proceedings of the International Conference on Computer Vision Theory and Applications (VISIGRAPP 2013) - Volume 1: VISAPP
TI - Using Whole and Part-based HOG Filters in Succession to Detect Cars in Aerial Images
SN - 978-989-8565-47-1
IS - 2184-4321
AU - Madhogaria, S.
AU - Schikora, M.
AU - Koch, W.
PY - 2013
SP - 681
EP - 686
DO - 10.5220/0004297406810686
PB - SciTePress

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