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Edge-Based Temporal Fusion Transformer for Multi-Horizon Blood Glucose Prediction

Zhu, T; Chen, T; Kuangt, L; Zeng, J; Li, K; Georgiou, P; (2023) Edge-Based Temporal Fusion Transformer for Multi-Horizon Blood Glucose Prediction. In: 2023 IEEE International Symposium on Circuits and Systems (ISCAS). IEEE: Monterey, CA, USA. Green open access

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Abstract

Deep learning models have achieved the state of the art in blood glucose (BG) prediction, which has been shown to improve type 1 diabetes (T1D) management. However, most existing models can only provide single-horizon prediction and face a variety of real-world challenges, such as lacking hardware implementation and interpretability. In this work, we introduce a new deep learning framework, the edge-based temporal fusion Transformer (E-TFT), for multi-horizon BG prediction, and implement the trained model on a customized wristband with a system on a chip (Nordic nRF52832) for edge computing. E-TFT employs a self-attention mechanism to extract long-term temporal dependencies and enables post-hoc explanation for feature selection. On a clinical dataset with 12 T1D subjects, it achieved a mean root mean square error of 19.09 ± 2.47 mg/dL and 32.31 ± 3.79 mg/dL for 30 and 60-minute prediction horizons, respectively, and outperformed all the considered baseline methods, such as N-BEATS and N-HiTS. The proposed model is effective for multi-horizon BG prediction and can be deployed on wearable devices to enhance T1D management in clinical settings.

Type: Proceedings paper
Title: Edge-Based Temporal Fusion Transformer for Multi-Horizon Blood Glucose Prediction
Event: 2023 IEEE International Symposium on Circuits and Systems (ISCAS)
Dates: 21 May 2023 - 25 May 2023
ISBN-13: 9781665451093
Open access status: An open access version is available from UCL Discovery
DOI: 10.1109/ISCAS46773.2023.10181448
Publisher version: https://doi.org/10.1109/ISCAS46773.2023.10181448
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Diabetes, deep learning, multi-horizon prediction, edge computing, transformer
UCL classification: UCL
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Population Health Sciences > Institute of Health Informatics
URI: https://discovery.ucl.ac.uk/id/eprint/10177635
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