Interpolação e Previsão de Precipitação por Redes Neurais Convolucionais para Grafos

  • Augusto Fonseca CEFET/RJ
  • Ronaldo Goldschimidt IME
  • Eduardo Ogasawara CEFET/RJ
  • Mariza Ferro UFF
  • Fábio Porto LNCC
  • Eduardo Bezerra CEFET/RJ

Resumo


Statistical interpolation methods used to adapt data do not adequately capture the spatiotemporal dependencies of meteorological data. This work proposes the use of Graph Convolutional Neural Networks (GCNs) for precipitation interpolation and forecasting. The experiments utilized radar data and in-situ station data. Comparing GCN interpolation with the statistical Inverse Distance Weighting (IDW) method, preliminary results indicate that GCNs exhibit better accuracy in extreme precipitation events, also showing promise in events of lesser magnitude.

Palavras-chave: redes neurais, interpolação de dados, previsão de precipitação

Referências

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Publicado
14/10/2024
FONSECA, Augusto; GOLDSCHIMIDT, Ronaldo; OGASAWARA, Eduardo; FERRO, Mariza; PORTO, Fábio; BEZERRA, Eduardo. Interpolação e Previsão de Precipitação por Redes Neurais Convolucionais para Grafos. In: BRAZILIAN SYMPOSIUM ON MULTIMEDIA AND THE WEB (WEBMEDIA), 30. , 2024, Juiz de Fora/MG. Anais [...]. Porto Alegre: Sociedade Brasileira de Computação, 2024 . p. 395-399. DOI: https://doi.org/10.5753/webmedia.2024.242049.

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