Gait Recovery System for Parkinson's Disease using Machine Learning on Embedded Platforms

• URL: http://arxiv.org/abs/2004.05811v1
• Date: Mon, 13 Apr 2020 08:03:28 GMT
• Title: Gait Recovery System for Parkinson's Disease using Machine Learning on Embedded Platforms
• Authors: Gokul H., Prithvi Suresh, Hari Vignesh B, Pravin Kumaar R, Vineeth Vijayaraghavan
• Abstract summary: Freezing of Gait (FoG) is a common gait deficit among patients diagnosed with Parkinson's Disease (PD) The authors propose a ubiquitous embedded system that detects FOG events with a Machine Learning subsystem from accelerometer signals.
• Score: 0.052498055901649014
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Freezing of Gait (FoG) is a common gait deficit among patients diagnosed with Parkinson's Disease (PD). In order to help these patients recover from FoG episodes, Rhythmic Auditory Stimulation (RAS) is needed. The authors propose a ubiquitous embedded system that detects FOG events with a Machine Learning (ML) subsystem from accelerometer signals . By making inferences on-device, we avoid issues prevalent in cloud-based systems such as latency and network connection dependency. The resource-efficient classifier used, reduces the model size requirements by approximately 400 times compared to the best performing standard ML systems, with a trade-off of a mere 1.3% in best classification accuracy. The aforementioned trade-off facilitates deployability in a wide range of embedded devices including microcontroller based systems. The research also explores the optimization procedure to deploy the model on an ATMega2560 microcontroller with a minimum system latency of 44.5 ms. The smallest model size of the proposed resource efficient ML model was 1.4 KB with an average recall score of 93.58%.

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