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Title

Mapping sunflower yield as affected by Ridolfia segetum patches and elevation by applying evolutionary product unit neural networks to remote sensed data

AuthorsGutiérrez, Pedro Antonio; López Granados, Francisca ; Peña Barragán, José Manuel ; Jurado-Expósito, Montserrat ; Gómez-Casero, M. Teresa; Hervás-Martínez, César
KeywordsRemote sensing
Artificial neural networks
Yield prediction
Evolutionary algorithms
Sunflower
Issue DateMar-2007
PublisherElsevier
CitationComputers and Electronics in Agriculture 60 (2008) 122-132
AbstractRecent advances in remote sensing technology have triggered the need for highly flexible modelling methods to estimate several crop parameters in precision farming. The aim of this workwas to determine the potential of evolutionary product unit neural networks (EPUNNs) for mapping in-season yield and forecasting systems of sunflower crop in a natural weedinfested farm. Aerial photographs were taken at the late vegetative (mid-May) growth stage. Yield, elevation and weed data were combined with multispectral imagery to obtain the dataset. Statistical and EPUNNs approaches were used to develop different yield prediction models. The results obtained using different EPUNN models showthat the functional model and the hybrid algorithms proposed provide very accurate prediction compared to other statistical methodologies used to solve that regression problem.
Description11 pages; 4 figures; 3 tables
Publisher version (URL)http://dx.doi.org/10.1016/j.compag.2007.07.011
URIhttp://hdl.handle.net/10261/35980
DOI10.1016/j.compag.2007.07.011
ISSN0168-1699
Appears in Collections:(IAS) Artículos
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