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Authors: Floris De Smedt 1 ; Lars Struyf 1 ; Sander Beckers 1 ; Joost Vennekens 2 ; Gorik De Samblanx 2 and Toon Goedemé 2

Affiliations: 1 Association K.U. Leuven, Belgium ; 2 Association K.U. Leuven and K.U. Leuven, Belgium

Keyword(s): OpenCL, Object Detection, HOG.

Related Ontology Subjects/Areas/Topics: Digital Signal Processing ; Image and Multidimensional Signal Processing ; Telecommunications

Abstract: In this paper we present out experiences with the implementation of an object detector using OpenCL. With this implementation we fullfil the need for fast and robust object detection, necessary in many applications in multiple domains (surveillance, traffic, image retrieval, ...). The algorithm lends itself to be implemented in a parallel way. We exploit this opportunity by implementing it on a GPU. For this implementation, we have choosen to use the OpenCL programming language, since this allows for scalability to more performant and different types of hardware, with minimal changes to the implementation. We will discuss how the parallelization is done, and discuss the challenges we met. We will also discuss the experimental timing results we achieved and evaluate the ease-of-use of OpenCL.

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Paper citation in several formats:
De Smedt, F.; Struyf, L.; Beckers, S.; Vennekens, J.; De Samblanx, G. and Goedemé, T. (2012). IS THE GAME WORTH THE CANDLE? - Evaluation of OpenCL for Object Detection Algorithm Optimization. In Proceedings of the 2nd International Conference on Pervasive Embedded Computing and Communication Systems - PECCS; ISBN 978-989-8565-00-6; ISSN 2184-2817, SciTePress, pages 284-291. DOI: 10.5220/0003821002840291

@conference{peccs12,
author={Floris {De Smedt}. and Lars Struyf. and Sander Beckers. and Joost Vennekens. and Gorik {De Samblanx}. and Toon Goedemé.},
title={IS THE GAME WORTH THE CANDLE? - Evaluation of OpenCL for Object Detection Algorithm Optimization},
booktitle={Proceedings of the 2nd International Conference on Pervasive Embedded Computing and Communication Systems - PECCS},
year={2012},
pages={284-291},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0003821002840291},
isbn={978-989-8565-00-6},
issn={2184-2817},
}

TY - CONF

JO - Proceedings of the 2nd International Conference on Pervasive Embedded Computing and Communication Systems - PECCS
TI - IS THE GAME WORTH THE CANDLE? - Evaluation of OpenCL for Object Detection Algorithm Optimization
SN - 978-989-8565-00-6
IS - 2184-2817
AU - De Smedt, F.
AU - Struyf, L.
AU - Beckers, S.
AU - Vennekens, J.
AU - De Samblanx, G.
AU - Goedemé, T.
PY - 2012
SP - 284
EP - 291
DO - 10.5220/0003821002840291
PB - SciTePress

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