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Video Movement Analysis Using Smartphones ViMAS: A Pilot Study

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Mobile Application for Scoliosis Screening Using a Standard 2D Digital Camera.

Tsutomu Akazawa¹, Yoshiaki Torii¹, Jun Ueno¹

¹Department of Orthopaedic Surgery, St. Marianna University School of Medicine, Kawasaki, JPN.

|April 21, 2021

Summary

A new mobile app uses standard 2D cameras for scoliosis screening, offering a cost-effective global solution. This technology aims to improve early detection and reduce reliance on expensive equipment and radiation exposure.

Keywords:

scoliosis screening

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Area of Science:

Medical Imaging
Orthopedics
Digital Health

Background:

Traditional scoliosis detection systems rely on expensive 3D cameras, limiting global accessibility.
There is a need for cost-effective and widely available scoliosis screening tools.

Purpose of the Study:

To report on a mobile application for scoliosis screening utilizing a standard 2D digital camera.
To assess the potential of a mobile application for global scoliosis detection and early intervention.

Main Methods:

Patients aged 10+ with scoliosis underwent whole-spine radiography.
Photographs were captured using a 2D camera on a tablet PC.
A simplified scoliosis diagnosis support application (Cobb First) processed binarized image data within a grid system.

Main Results:

The application converts images into binarized data, comparing black areas within a grid to highlight spinal curvature.
Color-coded feedback (green, yellow, red) indicates the degree of spinal asymmetry.
The system processes image data to identify potential scoliosis indicators.

Conclusions:

A 2D camera-based mobile application can enhance screening accuracy for healthcare professionals.
This technology has the potential for global home-based scoliosis screening, facilitating early medical consultation.
Future goals include replacing radiographic methods with tablet/smartphone-based screening to reduce radiation exposure.