Rigid body motion analysis system for off-line processing of time-coded video sequences

Walter L. Snow; Mark R. Shortis

doi:10.1117/12.220903

13 September 1995 Rigid body motion analysis system for off-line processing of time-coded video sequences

Walter L. Snow, Mark R. Shortis

Proceedings Volume 2598, Videometrics IV; (1995) https://doi.org/10.1117/12.220903
Event: Photonics East '95, 1995, Philadelphia, PA, United States

Abstract

Photogrammetry affords the only noncontact means of providing unambiguous six-degree-of- freedom estimates for rigid body motion analysis. Video technology enables convenient off- the-shelf capability for obtaining and storing image data at frame (30 Hz) or field (60 Hz) rates. Videometry combines these technologies with frame capture capability accessible to PCs to allow unavailable measurements critical to the study of rigid body dynamics. To effectively utilize this capability, however, some means of editing, post processing, and sorting substantial amounts of time coded video data is required. This paper discusses a prototype motion analysis system built around PC and video disk technology, which is proving useful in exploring applications of these concepts to rigid body tracking and deformation analysis. Calibration issues and user interactive software development associated with this project will be discussed, as will examples of measurement projects and data reduction.

Citation Download Citation

Walter L. Snow and Mark R. Shortis "Rigid body motion analysis system for off-line processing of time-coded video sequences", Proc. SPIE 2598, Videometrics IV, (13 September 1995); https://doi.org/10.1117/12.220903

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