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논문 기본 정보

자료유형
학술저널
저자정보
Kim, Hee-Un (Sejong University) Bae, Tae-Suk (Sejong University)
저널정보
한국측량학회 한국측량학회지 한국측량학회지 제35권 제5호
발행연도
2017.10
수록면
423 - 429 (7page)

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초록· 키워드

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Recently, data analysis research has been carried out using the deep learning technique in various fields such as image interpretation and/or classification. Various types of algorithms are being developed for many applications. In this paper, we propose a precipitation prediction algorithm based on deep learning with high accuracy in order to take care of the possible severe damage caused by climate change. Since the geographical and seasonal characteristics of Korea are clearly distinct, the meteorological factors have repetitive patterns in a time series. Since the LSTM (Long Short-Term Memory) is a powerful algorithm for consecutive data, it was used to predict precipitation in this study. For the numerical test, we calculated the PWV (Precipitable Water Vapor) based on the tropospheric delay of the GNSS (Global Navigation Satellite System) signals, and then applied the deep learning technique to the precipitation prediction. The GNSS data was processed by scientific software with the troposphere model of Saastamoinen and the Niell mapping function. The RMSE (Root Mean Squared Error) of the precipitation prediction based on LSTM performs better than that of ANN (Artificial Neural Network). By adding GNSS-based PWV as a feature, the over-fitting that is a latent problem of deep learning was prevented considerably as discussed in this study.

목차

Abstract
1. Introduction
2. Methodology
3. Results and Analysis
4. Summary and Conclusion
References

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UCI(KEPA) : I410-ECN-0101-2018-533-001414489