A self-supervised neural-analytic method to predict the evolution of COVID-19 in Romania

• URL: http://arxiv.org/abs/2006.12926v2
• Date: Sat, 5 Sep 2020 12:10:27 GMT
• Title: A self-supervised neural-analytic method to predict the evolution of COVID-19 in Romania
• Authors: Radu D. Stochi\c{t}oiu, Marian Petrica, Traian Rebedea, Ionel Popescu, Marius Leordeanu
• Abstract summary: We use a recently published improved version of SEIR, which is the classic, established model for infectious diseases. We propose a self-supervised approach to train a deep convolutional network to guess the correct set of ModifiedSEIR model parameters. We find an optimistic result in the case fatality rate for Romania which may be around 0.3% and we also demonstrate that our model is able to correctly predict the number of daily fatalities for up to three weeks in the future.
• Score: 10.760851506126105
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Analysing and understanding the transmission and evolution of the COVID-19 pandemic is mandatory to be able to design the best social and medical policies, foresee their outcomes and deal with all the subsequent socio-economic effects. We address this important problem from a computational and machine learning perspective. More specifically, we want to statistically estimate all the relevant parameters for the new coronavirus COVID-19, such as the reproduction number, fatality rate or length of infectiousness period, based on Romanian patients, as well as be able to predict future outcomes. This endeavor is important, since it is well known that these factors vary across the globe, and might be dependent on many causes, including social, medical, age and genetic factors. We use a recently published improved version of SEIR, which is the classic, established model for infectious diseases. We want to infer all the parameters of the model, which govern the evolution of the pandemic in Romania, based on the only reliable, true measurement, which is the number of deaths. Once the model parameters are estimated, we are able to predict all the other relevant measures, such as the number of exposed and infectious people. To this end, we propose a self-supervised approach to train a deep convolutional network to guess the correct set of Modified-SEIR model parameters, given the observed number of daily fatalities. Then, we refine the solution with a stochastic coordinate descent approach. We compare our deep learning optimization scheme with the classic grid search approach and show great improvement in both computational time and prediction accuracy. We find an optimistic result in the case fatality rate for Romania which may be around 0.3% and we also demonstrate that our model is able to correctly predict the number of daily fatalities for up to three weeks in the future.

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