1. de Agapito L. Hayman E. Reid I. L. Self-calibration of a rotating camera with varying intrinsic parameters British Machine Vision Conference 1998
2. de Agapito L. Hartley R. Hayman E. Linear Calibration of a Rotating and Zooming Camera Proceedings of the International Conference on Computer Vision and Pattern Recognition 15 21 1999
3. Armstrong M. Zisserman A. Hartley R. Self-calibration from Image Triplets Fourth European Conference on Computer Vision 3 16 1996
4. Bougnoux S. From Projective to Euclidean Space under any Practical Situation, a Criticism of Self-Calibration IEEE International Conference on Computer Vision 790 796 1998