Convolutional Residual-Attention: A Deep Learning Approach for Precipitation Nowcasting

Autor: Qing Yan, Fuxin Ji, Kaichao Miao, Qi Wu, Yi Xia, Teng Li
Jazyk: angličtina
Rok vydání: 2020
Předmět:
Zdroj: Advances in Meteorology, Vol 2020 (2020)
Druh dokumentu: article
ISSN: 1687-9309
1687-9317
DOI: 10.1155/2020/6484812
Popis: Short-term precipitation forecast in local areas based on radar reflectance images has become a hot spot issue in the meteorological field, which has an important impact on daily life. Recently, deep learning techniques have been applied to this field, and the effect is promoted remarkably compared with traditional methods. However, existing deep learning-based methods have not considered the problem that different areas and channels exert different influence on precipitation. In this paper, we propose to incorporate the multihead attention into a dual-channel neural network to highlight the key areas for precipitation forecast. Furthermore, to solve the problem of excessive loss of global information caused by the attention mechanism, the residual connection is introduced into the proposed model. Quantitative and qualitative results demonstrate that the proposed method achieves the state-of-the-art precipitation forecast accuracy on the radar echo dataset.
Databáze: Directory of Open Access Journals
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