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3 October 2001 Shape and displacement determination based on extended spatio-temporal fringe pattern analysis
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The basic methodologies used in animation are presented and their most significant problems connected with combining real and virtual worlds are recognized. The optical method of shape and movement determination is proposed for fast virtual object generation. A fringe pattern observed on the object surface is analyzed by spatial carrier phase shifting method. The analysis of fiducial points position during the measurements provides an information about object shifts within the measurement volume. Combined information about actual object shape and its displacement during the measurement enables to generate a virtual model of the object together with the description of its movement. The concept described above is experimentally tested and the exemplary result together with a short error analysis are presented. The further works to implement this technique are discussed.
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Michal Emanuel Pawlowski and Malgorzata Kujawinska "Shape and displacement determination based on extended spatio-temporal fringe pattern analysis", Proc. SPIE 4399, Optical Measurement Systems for Industrial Inspection II: Applications in Production Engineering, (3 October 2001);

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