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Verification of Criterion-Related Validity for Developing a Marker-Less Hand Tracking Device
Version 1
: Received: 30 May 2024 / Approved: 30 May 2024 / Online: 30 May 2024 (13:13:13 CEST)
A peer-reviewed article of this Preprint also exists.
Suwabe, R.; Saito, T.; Hamaguchi, T. Verification of Criterion-Related Validity for Developing a Markerless Hand Tracking Device. Biomimetics 2024, 9, 400. Suwabe, R.; Saito, T.; Hamaguchi, T. Verification of Criterion-Related Validity for Developing a Markerless Hand Tracking Device. Biomimetics 2024, 9, 400.
Abstract
Abstract: Physicians, physical therapists, and occupational therapists have traditionally assessed hand motor function in hemiplegic patients but often struggle to evaluate complex hand move-ments. To address this issue, in 2019, we developed Fahrenheit, a device and algorithm that uses infrared camera image processing to estimate hand paralysis. However, due to Fahrenheit's de-pendency on specialized equipment, we conceived a simpler solution: developing a smartphone app that integrates MediaPipe. The objective of this study was to measure hand movements in stroke patients using both MediaPipe and Fahrenheit and to assess their criterion-related validity. The analysis revealed moderate-to-high correlations between the two methods. Consistent results were also observed in the peak angle and velocity comparisons across severity stages. Because Fahrenheit determines finger recovery status based on these measures, it has the potential to transfer this function to MediaPipe. This study highlighted the potential use of MediaPipe in pa-ralysis estimation applications.
Keywords
MediaPipe; hand tracking; paralysis estimation
Subject
Medicine and Pharmacology, Medicine and Pharmacology
Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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