Numerical recipes in C: the art of scientific computing
Numerical recipes in C: the art of scientific computing
Oriented projective geometry
A theory of self-calibration of a moving camera
International Journal of Computer Vision
Three-dimensional computer vision: a geometric viewpoint
Three-dimensional computer vision: a geometric viewpoint
Sequential Updating of Projective and Affine Structure from Motion
International Journal of Computer Vision
International Journal of Computer Vision
International Journal of Computer Vision - 1998 Marr Prize
Multiple view geometry in computer visiond
Multiple view geometry in computer visiond
Oriented Projective Geometry for Computer Vision
ECCV '96 Proceedings of the 4th European Conference on Computer Vision-Volume I - Volume I
Frame Decimation for Structure and Motion
SMILE '00 Revised Papers from Second European Workshop on 3D Structure from Multiple Images of Large-Scale Environments
Euclidean Reconstruction from Uncalibrated Views
Proceedings of the Second Joint European - US Workshop on Applications of Invariance in Computer Vision
Autocalibration and the absolute quadric
CVPR '97 Proceedings of the 1997 Conference on Computer Vision and Pattern Recognition (CVPR '97)
From Projective to Euclidean Space Under any Practical Situation, a Criticism of Self-Calibration
ICCV '98 Proceedings of the Sixth International Conference on Computer Vision
Dense 3D reconstruction from images by normal aided matching
Machine Graphics & Vision International Journal
International Journal of Computer Vision
Conflict resolution in a knowledge-based system using multiple attribute decision-making
Expert Systems with Applications: An International Journal
Evaluating multiview reconstruction
ICVS'08 Proceedings of the 6th international conference on Computer vision systems
Globally Optimal Algorithms for Stratified Autocalibration
International Journal of Computer Vision
Surface reconstruction of rotating objects from monocular video
ACIVS'11 Proceedings of the 13th international conference on Advanced concepts for intelligent vision systems
ECCV'12 Proceedings of the 12th European conference on Computer Vision - Volume Part VI
Auto-calibration for image mosaicing and stereo vision
Transactions on Computational Science XIX
Self-calibration of stationary non-rotating zooming cameras
Image and Vision Computing
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A method for upgrading a projective reconstruction to metric is presented. The method compares favourably to state of the art algorithms and has been found extremely reliable for both large and small reconstructions in a large number of experiments on real data. The notion of a twisted pair is generalized to the uncalibrated case. The reconstruction is first transformed by considering cheirality so that it does not contain any twisted pairs. It is argued that this is essential, since the method then proceeds by local perturbation. As is preferrable, we utilize a cost function that reflects the prior likelihood of calibration matrices well. It is shown that with any such cost function, there is little hope of untwisting a twisted pair by local perturbation. The results show that in practice it is most often sufficient to start with a reconstruction that is free from twisted pairs, provided that the minimized objective function is a geometrically meaningful quantity. When subjected to the common degeneracy of little or no rotation between the views, the proposed method still yields a very reasonable member of the family of possible solutions. Furthermore, the method is very fast and therefore suitable for the purpose of viewing reconstructions.