July 2004
Intermediate to advanced
688 pages
19h 3m
English
Content preview from Emerging Topics in Computer VisionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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2.6. Self-Calibration
Self-calibration is also called autocalibration. Techniques in this category do not require any particular calibration object. They can be considered 0D approach because only image point correspondences are required. Just by moving a camera in a static scene, the rigidity of the scene provides in general two constraints [22, 21, 20] on the cameras' internal parameters from one camera displacement by using image information alone. Absolute conic, described in Section 2.2.2, is an essential concept in understanding these constraints. Therefore, if images are taken by the same camera with fixed internal parameters, correspondences between three images are sufficient to recover both the internal and external parameters, which ...
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