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 |