Algorithms for image processing in markerless gait analysis

[Jane Courtney]

I am developing a markerless gait analysis system using image processing
techniques to locate the joint centres for tracking. I am hoping to achieve
this by fitting a simplified model of the leg (literally just four lines in
the 2D plane) to the actual footage of the patient's leg. I have managed to
successfully pick out the patient from the background of the film clips but
I am having trouble actually fitting the model to the footage without manual
intervention. I was wondering if anyone has tried this technique before and
how they managed this particular problem. I am really looking for source
code or algorithms at this stage as I have read several papers on the
theory.

Thanks to all for any help you can give,

Jane Courtney BE MIEI
Rehabilitation Engineering
National Rehabilitation Hospital
Dun Laoghaire
Co Dublin
Rep of Ireland.

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