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This paper presents an algorithm for learning the time-varying shape of a non-rigid 3D object from uncalibrated 2D tracking data .
 used for: algorithm, learning the time-varying shape of a non-rigid 3D object
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 Entity Pairs:  algorithm, learning the time-varying shape of a non-rigid 3D object 
Answer:
 used for: algorithm, learning the time-varying shape of a non-rigid 3D object