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• W2135251269 abstract "This paper demonstrates that, for axial non-central optical systems, the equation of a 3D line can be estimated using only four points extracted from a single image of the line. This result, which is a direct consequence of the lack of vantage point, follows from a classic result in enumerative geometry: there are exactly two lines in 3-space which intersect four given lines in general position. We present a simple algorithm to reconstruct the equation of a 3D line from four image points. This algorithm is based on computing the Singular Value Decomposition (SVD) of the matrix of Plucker coordinates of the four corresponding rays. We evaluate the conditions for which the reconstruction fails, such as when the four rays are nearly coplanar. Preliminary experimental results using a spherical catadioptric camera are presented. We conclude by discussing the limitations imposed by poor calibration and numerical errors on the proposed reconstruction algorithm." @default.
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• W2135251269 date "2006-06-01" @default.
• W2135251269 modified "2023-10-14" @default.
• W2135251269 title "Reconstructing a 3D Line from a Single Catadioptric Image" @default.
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• W2135251269 doi "https://doi.org/10.1109/3dpvt.2006.115" @default.
• W2135251269 hasPublicationYear "2006" @default.
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