A web-based environment for shape analysis of fish otoliths. The AFORO database

Authors

  • Antoni Lombarte Institut de Ciències del Mar (CMIMA-CSIC), Barcelona
  • Òscar Chic Institut de Ciències del Mar (CMIMA-CSIC), Barcelona
  • Vicenç Parisi-Baradad Departament d’Enginyeria Electrònica, Universitat Politècnica de Catalunya (UPC), Barcelona
  • Roger Olivella Institut de Ciències del Mar (CMIMA-CSIC), Barcelona
  • Jaume Piera Unitat de Tecnologia Marina (CMIMA-CSIC), Barcelona
  • Emilio García-Ladona Institut de Ciències del Mar (CMIMA-CSIC), Barcelona

DOI:

https://doi.org/10.3989/scimar.2006.70n1147

Keywords:

otolith, shape analysis, Curvature Scale Space, Wavelets, Fourier

Abstract


We present an automatic system for describing and identifying fish otolith shapes combining information technologies with modern advances in signal analysis. As a major novelty with respect to past studies the system includes wavelets (WT) and curvature space scale (CSS) analyses that have been shown to provide local morphologic information and characteristics (landmarks) of the sagitta otolith outline for non-specialists. By applying this electronic catalogue directly the system is very helpful for determining teleostean fish size, population and species. Both the electronic catalogue and the shape analysis are implemented through the AFORO database, which at present contains more than 1250 high resolution images of the left sagitta from 292 species and 94 families of teleostan fishes sampled mainly in Mediterranean and Antarctic waters.

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References

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Published

2006-03-30

How to Cite

1.
Lombarte A, Chic Òscar, Parisi-Baradad V, Olivella R, Piera J, García-Ladona E. A web-based environment for shape analysis of fish otoliths. The AFORO database. Sci. mar. [Internet]. 2006Mar.30 [cited 2024Mar.29];70(1):147-52. Available from: https://scientiamarina.revistas.csic.es/index.php/scientiamarina/article/view/192

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