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Authors: Luca Greco 1 ; Marco La Cascia 2 and Francesco Lo Cascio 1

Affiliations: 1 Università degli Studi di Palermo, Italy ; 2 Università degli studi di palermo, Italy

ISBN: 978-989-8565-74-7

Keyword(s): Saliency Maps, Subjects Detection, Automatic Thumbnailing.

Related Ontology Subjects/Areas/Topics: Multimedia ; Multimedia Authoring, Editing and Sharing ; Multimedia Databases, Indexing, Recognition and Retrieval ; Multimedia Systems and Applications ; Telecommunications

Abstract: In this paper we present a novel saliency-based technique for the automatic extraction of relevant subjects in digital images. We use enhanced saliency maps to determine the most relevant parts of the images and an image cropping technique on the map itself to extract one or more relevant subjects. The contribution of the paper is two-fold as we propose a technique to enhance the standard GBVS saliency map and a technique to extract the most salient parts of the image. The GBVS saliency map is enhanced by applying three filters particularly designed to optimize the performance for the task of relevant subjects extraction. The extraction of relevant subjects is demonstrated on a manually annotated dataset and results are encouraging. A variation of the same technique has also been used to extract the most significant region of an image. This region can then be used to obtain a thumbnail keeping most of the relevant information of the original image and discarding nonsignificant backgro und. Experimental results are reported also in this case. (More)

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Paper citation in several formats:
Greco, L.; La Cascia, M. and Lo Cascio, F. (2013). Fully Automatic Saliency-based Subjects Extraction in Digital Images.In Proceedings of the 10th International Conference on Signal Processing and Multimedia Applications and 10th International Conference on Wireless Information Networks and Systems - Volume 1: SIGMAP, (ICETE 2013) ISBN 978-989-8565-74-7, pages 129-136. DOI: 10.5220/0004530401290136

@conference{sigmap13,
author={Luca Greco. and La Cascia, M. and Francesco Lo Cascio.},
title={Fully Automatic Saliency-based Subjects Extraction in Digital Images},
booktitle={Proceedings of the 10th International Conference on Signal Processing and Multimedia Applications and 10th International Conference on Wireless Information Networks and Systems - Volume 1: SIGMAP, (ICETE 2013)},
year={2013},
pages={129-136},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0004530401290136},
isbn={978-989-8565-74-7},
}

TY - CONF

JO - Proceedings of the 10th International Conference on Signal Processing and Multimedia Applications and 10th International Conference on Wireless Information Networks and Systems - Volume 1: SIGMAP, (ICETE 2013)
TI - Fully Automatic Saliency-based Subjects Extraction in Digital Images
SN - 978-989-8565-74-7
AU - Greco, L.
AU - La Cascia, M.
AU - Lo Cascio, F.
PY - 2013
SP - 129
EP - 136
DO - 10.5220/0004530401290136

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