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Authors: Bojana Gajic 1 ; Eduard Vazquez 2 and Ramon Baldrich 1

Affiliations: 1 Universitat Autonoma de Barcelona, Spain ; 2 Cortexica Vision Systems, United Kingdom

Keyword(s): Texture Representation, Texture Retrieval, Convolutional Neural Networks, Psychophysical Evaluation.

Related Ontology Subjects/Areas/Topics: Color and Texture Analyses ; Computer Vision, Visualization and Computer Graphics ; Image and Video Analysis

Abstract: The increasing complexity learnt in the layers of a Convolutional Neural Network has proven to be of great help for the task of classification. The topic has received great attention in recently published literature. Nonetheless, just a handful of works study low-level representations, commonly associated with lower layers. In this paper, we explore recent findings which conclude, counterintuitively, the last layer of the VGG convolutional network is the best to describe a low-level property such as texture. To shed some light on this issue, we are proposing a psychophysical experiment to evaluate the adequacy of different layers of the VGG network for texture retrieval. Results obtained suggest that, whereas the last convolutional layer is a good choice for a specific task of classification, it might not be the best choice as a texture descriptor, showing a very poor performance on texture retrieval. Intermediate layers show the best performance, showing a good combination of basic filters, as in the primary visual cortex, and also a degree of higher level information to describe more complex textures. (More)

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Paper citation in several formats:
Gajic, B.; Vazquez, E. and Baldrich, R. (2017). Evaluation of Deep Image Descriptors for Texture Retrieval. In Proceedings of the 12th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications (VISIGRAPP 2017) - Volume 5: VISAPP; ISBN 978-989-758-226-4; ISSN 2184-4321, SciTePress, pages 251-257. DOI: 10.5220/0006129302510257

@conference{visapp17,
author={Bojana Gajic. and Eduard Vazquez. and Ramon Baldrich.},
title={Evaluation of Deep Image Descriptors for Texture Retrieval},
booktitle={Proceedings of the 12th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications (VISIGRAPP 2017) - Volume 5: VISAPP},
year={2017},
pages={251-257},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0006129302510257},
isbn={978-989-758-226-4},
issn={2184-4321},
}

TY - CONF

JO - Proceedings of the 12th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications (VISIGRAPP 2017) - Volume 5: VISAPP
TI - Evaluation of Deep Image Descriptors for Texture Retrieval
SN - 978-989-758-226-4
IS - 2184-4321
AU - Gajic, B.
AU - Vazquez, E.
AU - Baldrich, R.
PY - 2017
SP - 251
EP - 257
DO - 10.5220/0006129302510257
PB - SciTePress