A comparison between functional networks and artificial neural networks for the prediction of fishing catches

Authors:
Alfonso Iglesias;Bernardino Arcay;M. Cotos;A. Taboada;Carlos Dafonte
Affiliations:
University of A Coruna, Dept. of Information and Communications Technologies, Spain;University of A Coruna, Dept. of Information and Communications Technologies, Spain;University of Santiago, Remote sensing laboratory (TELSIG), Dept. of Electronic and Computation, Spain;University of Santiago, Remote sensing laboratory (TELSIG), Dept. of Electronic and Computation, Spain;University of A Coruna, Dept. of Information and Communications Technologies, Spain
Venue:
Neural Computing and Applications
Year:
2004

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Abstract

In recent years, functional networks have emerged as an extension of artificial neural networks (ANNs). In this article, we apply both network techniques to predict the catches of the Prionace Glauca (a class of shark) and the Katsowonus Pelamis (a variety of tuna, more commonly known as the Skipjack). We have developed an application that will help reduce the search time for good fishing zones and thereby increase the fleet’s competitivity. Our results show that, thanks to their superior learning and generalisation capacities, functional networks are more efficient than ANNs. Our data proceeds from remote sensors. Their spectral signatures allow us to calculate products that are useful for ecological modelling. After an initial phase of digital image processing, we created a database that provides all the necessary patterns to train both network types.