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TRITA-MAT-1997-MA-14

Author(s): Philip, Johan
Title: An algorithm for determining the position of a circle in 3D from its perspective 2D projection   
Preprint series:

TRITA-MAT-1997-MA-14

Classification: MSC:

68U05 Computer graphics; computational geometry, See also {65Y25}
65Y25 Computer graphics and computational geometry, See Also {51N05, 68U05}

CR:
I.4.0
Abstract:We present an algorithm for determining the position of a circle in 3D from its perspective image. The problem has two solutions. The algorithm is based on eigenvalue - eigenvector analysis of a quadratic form associated with the 2 D projection.
Keywords:Photogrammetry, Computer vision, Relative orientation, Motion problems