Preprint Article Version 1 This version is not peer-reviewed

Using Convolutional Networks and Satellite Imagery to Predict Disease Density in a Developing Country

Version 1 : Received: 25 October 2019 / Approved: 28 October 2019 / Online: 28 October 2019 (11:41:25 CET)

How to cite: Sanya, R.; Maiga, G.; Mwebaze, E. Using Convolutional Networks and Satellite Imagery to Predict Disease Density in a Developing Country. Preprints 2019, 2019100319 (doi: 10.20944/preprints201910.0319.v1). Sanya, R.; Maiga, G.; Mwebaze, E. Using Convolutional Networks and Satellite Imagery to Predict Disease Density in a Developing Country. Preprints 2019, 2019100319 (doi: 10.20944/preprints201910.0319.v1).

Abstract

Rapid increase in digital data coupled with advances in deep learning algorithms is opening unprecedented opportunities for incorporating multiple data sources for modeling spatial dynamics of human infectious diseases. We used Convolutional Neural Networks (CNN) in conjunction with satellite imagery-based urban housing and socio-economic data to predict disease density in a developing country setting. We explored both single (uni) and multiple input (multimodality) network architectures for this purpose. We achieved maximum test set accuracy of 81.6 per cent using a single input CNN model built with one convolutional layer and trained using housing image data. However, this fairly good performance was biased in favor of specific disease density classes due to an unbalanced data set despite our use of methods to address the problem. These results suggest CNN are promising for modeling spatial dynamics of human infectious diseases, especially in a developing country setting. Urban housing signals extracted from satellite imagery seem suitable for this purpose, under the same context.

Subject Areas

convolutional networks; satellite imagery; predictive modeling; disease density; urban housing; developing country

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