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Authors: Pedro G. Vaz 1 ; 2 ; Anne Humeau-Heurtier 2 ; Edite Figueiras 3 ; Carlos Correia 1 and João Cardoso 1

Affiliations: 1 University of Coimbra, Portugal ; 2 University of Angers, LARIS - Laboratoire Angevin de Recherche en Ingenierie des Systèmes, France ; 3 International Iberian Nanotechnology Laboratory, Portugal

Keyword(s): Laser Speckle Imaging, Spatial Contrast, Algorithm Implementation, MATLAB, Convolution.

Abstract: This work presents an analysis of the performances for four different implementations used to compute laser speckle contrast on images. Laser speckle contrast is a widely used imaging technique for biomedical applications. These implementations were tested using synthetic laser speckle patterns with different resolutions, speckle sizes, and contrasts. From the applied methods, three implementations are already known in the literature. A new alternative is proposed herein, which relies on two-dimensional convolutions, in order to improve the image processing time without compromising the contrast assessment. The proposed implementation achieves a processing time two orders of magnitude lower than the analytical evaluation. The goal of this technical manuscript is to help the developers and researchers in computing laser speckle contrast images.

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Paper citation in several formats:
Vaz, P.; Humeau-Heurtier, A.; Figueiras, E.; Correia, C. and Cardoso, J. (2017). Performance Analysis of Spatial Laser Speckle Contrast Implementations. In Proceedings of the 10th International Joint Conference on Biomedical Engineering Systems and Technologies (BIOSTEC 2017) - BIOINFORMATICS; ISBN 978-989-758-214-1; ISSN 2184-4305, SciTePress, pages 148-153. DOI: 10.5220/0006141101480153

@conference{bioinformatics17,
author={Pedro G. Vaz. and Anne Humeau{-}Heurtier. and Edite Figueiras. and Carlos Correia. and João Cardoso.},
title={Performance Analysis of Spatial Laser Speckle Contrast Implementations},
booktitle={Proceedings of the 10th International Joint Conference on Biomedical Engineering Systems and Technologies (BIOSTEC 2017) - BIOINFORMATICS},
year={2017},
pages={148-153},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0006141101480153},
isbn={978-989-758-214-1},
issn={2184-4305},
}

TY - CONF

JO - Proceedings of the 10th International Joint Conference on Biomedical Engineering Systems and Technologies (BIOSTEC 2017) - BIOINFORMATICS
TI - Performance Analysis of Spatial Laser Speckle Contrast Implementations
SN - 978-989-758-214-1
IS - 2184-4305
AU - Vaz, P.
AU - Humeau-Heurtier, A.
AU - Figueiras, E.
AU - Correia, C.
AU - Cardoso, J.
PY - 2017
SP - 148
EP - 153
DO - 10.5220/0006141101480153
PB - SciTePress

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