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Video Analysis over the Internet

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  • Video Analysis over the Internet

    Dear Biomch-L Subscriber:
    This note is to share some positive experience regarding Video
    analysis on the Internet.
    We were successful in our laboratory in transmitting video images
    in GIF format on the WWW from Israel to California and back. These
    images from 2 video cameras at 60 Hz were digitized and transform to 3D
    to yield acceptable results for biomechanical research. The test
    conducted utilized falling golf ball and moving Pyramid to check the
    accuracy in transmission over the Internet. The Gravitational
    acceleration was measured between 9.6 to 10.1 meter per second per
    second. The smoothing algorithm used was a quintic spline. For the
    pyramid dimension the error was measured up to 4 mm for 2x2x1 meters
    physical dimension.
    This experiment shows that in the future a real time video pictures
    will be transmitted from sites such as the Olympic Games for immediate
    analysis on the Internet and results could be transmitted back to any
    location. Of course, with the introduction of digital video the process
    will be even better.
    Have a Merry Christmas and happy Holidays
    Gideon Ariel, Ph.D.