Title from PDF of title page (University of Missouri--Columbia, viewed on January 6, 2012). ; The entire thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file; a non-technical public abstract appears in the public.pdf file. ; Dissertation advisor: Dr. Marjorie Skubic. ; Vita. ; Ph. D. University of Missouri--Columbia 2011. ; "July 2011" ; Clinical research has identified a clear link between human gait characteristics and different medical conditions. We are particularly interested in gait and balance analysis for fall risk assessment in elderly people. This dissertation proposes the use of multiple inexpensive web cameras for three-dimensional gait and balance analysis in a voxelized space. The main advantages of this approach include low cost, unobtrusive monitoring compared to wearable sensors, and three-dimensional voxel reconstruction which provides a non-camera view-dependent capability. It is thus suitable for daily assessment and continuous monitoring of elderly people's non-controlled daily living environment. The gait parameters results are validated in lab settings as well as in a realistic retirement community setting. Excellent matching results were achieved when compared with Vicon motion capture system, GAITRite mat, and a physical therapist expert, which has provide us confidence in terms of the accuracy of the system performance. The various gait parameters extracted provide a detailed gait profile and can be easily used to screen out people at risk of fall. The system proposed here is inexpensive, has good accuracy verified by ground truth. The passive sensing nature of the system makes it ideal long term home gait monitoring to detect gait changes. ; Includes bibliographical references


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    Titel :

    Motion analysis for in-home gait and balance assessment using inexpensive video sensors


    Beteiligte:

    Erscheinungsdatum :

    2011-01-01


    Anmerkungen:

    872560216



    Medientyp :

    Hochschulschrift


    Format :

    Elektronische Ressource


    Sprache :

    Unbekannt , Englisch


    Klassifikation :

    DDC:    629



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