A monocular marker-free gait measurement system

IEEE Trans Neural Syst Rehabil Eng. 2010 Aug;18(4):453-60. doi: 10.1109/TNSRE.2010.2041792. Epub 2010 Feb 8.

Abstract

This paper presents a new, user-friendly, portable motion capture and gait analysis system for capturing and analyzing human gait, designed as a telemedicine tool to monitor remotely the progress of patients through treatment. The system requires minimal user input and simple single-camera filming (which can be acquired from a basic webcam) making it very accessible to nontechnical, nonclinical personnel. This system can allow gait studies to acquire a much larger data set and allow trained gait analysts to focus their skills on the interpretation phase of gait analysis. The design uses a novel motion capture method derived from spatiotemporal segmentation and model-based tracking. Testing is performed on four monocular, sagittal-view, sample gait videos. Results of modeling, tracking, and analysis stages are presented with standard gait graphs and parameters compared to manually acquired data.

MeSH terms

  • Algorithms
  • Biomechanical Phenomena*
  • Equipment Design
  • Gait / physiology*
  • Humans
  • Models, Biological
  • Monitoring, Physiologic / instrumentation
  • Motion
  • Telemetry
  • Vision, Ocular