4.7 Article

A Smart Farm DNN Survival Model Considering Tomato Farm Effect

期刊

AGRICULTURE-BASEL
卷 13, 期 9, 页码 -

出版社

MDPI
DOI: 10.3390/agriculture13091782

关键词

DNN model; farm effect; one-hot encoding; survival model; time-to-harvest

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Recently, smart farming research based on artificial intelligence has been widely applied in agriculture to improve crop cultivation and management. This paper focuses on predicting the time-to-harvest of tomatoes on a smart farm using a deep neural network model. The proposed method outperforms existing methods in terms of predictive performance.
Recently, smart farming research based on artificial intelligence (AI) has been widely applied in the field of agriculture to improve crop cultivation and management. Predicting the harvest time (time-to-harvest) of crops is important in smart farming to solve problems such as planning the production schedule of crops and optimizing the yield and quality. This helps farmers plan their labor and resources more efficiently. In this paper, our concern is to predict the time-to-harvest (i.e., survival time) of tomatoes on a smart farm. For this, it is first necessary to develop a deep learning modeling approach that takes into account the farm effect on the tomato plants, as each farm has multiple tomato plant subjects and outcomes on the same farm can be correlated. In this paper, we propose deep neural network (DNN) survival models to account for the farm effect as a fixed effect using one-hot encoding. The tomato data used in our study were collected on a weekly basis using the Internet of Things (IoT). We compare the predictive performance of our proposed method with that of existing DNN and statistical survival modeling methods. The results show that our proposed DNN method outperforms the existing methods in terms of the root mean squared error (RMSE), concordance index (C-index), and Brier score.

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