Dense Neural Network Based Arrhythmia Classification on Low-cost and Low-compute Micro-controller

• URL: http://arxiv.org/abs/2504.03531v1
• Date: Fri, 04 Apr 2025 15:30:02 GMT
• Title: Dense Neural Network Based Arrhythmia Classification on Low-cost and Low-compute Micro-controller
• Authors: Md Abu Obaida Zishan, H M Shihab, Sabik Sadman Islam, Maliha Alam Riya, Gazi Mashrur Rahman, Jannatun Noor,
• Abstract summary: A dense neural network is developed to detect arrhythmia on the Arduino Nano.<n>The model has a size of 1.267 KB, achieves an F1 score (macro-average) of 78.3% for classifying four types of arrhythmia, an accuracy rate of 96.38%, and requires 0.001314 MOps of floating-point operations (FLOPs)
• Score: 1.0015171648915433
• License: http://creativecommons.org/licenses/by-nc-nd/4.0/
• Abstract: The electrocardiogram (ECG) monitoring device is an expensive albeit essential device for the treatment and diagnosis of cardiovascular diseases (CVD). The cost of this device typically ranges from $2000 to $10000. Several studies have implemented ECG monitoring systems in micro-controller units (MCU) to reduce industrial development costs by up to 20 times. However, to match industry-grade systems and display heartbeats effectively, it is essential to develop an efficient algorithm for detecting arrhythmia (irregular heartbeat). Hence in this study, a dense neural network is developed to detect arrhythmia on the Arduino Nano. The Nano consists of the ATMega328 microcontroller with a 16MHz clock, 2KB of SRAM, and 32KB of program memory. Additionally, the AD8232 SparkFun Single-Lead Heart Rate Monitor is used as the ECG sensor. The implemented neural network model consists of two layers (excluding the input) with 10 and four neurons respectively with sigmoid activation function. However, four approaches are explored to choose the appropriate activation functions. The model has a size of 1.267 KB, achieves an F1 score (macro-average) of 78.3\% for classifying four types of arrhythmia, an accuracy rate of 96.38%, and requires 0.001314 MOps of floating-point operations (FLOPs).

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