It Can Be Done without Camera Calibration

Roger Mohr (1, 2) , Emmanuel Arbogast (2)

1 MOVI - Modeling, localization, recognition and interpretation in computer vision
2 LIFIA - Laboratoire d'Informatique Fondamentale et d'Intelligence Artificielle

3D measures in a scene can be performed using measures on images, without any camera calibration. Measures include localization of an object in the frame of the scene. The methodology is simple, fast and relies only on an invariant by homography.

Mots clés: Cross-ratio; calibration; three-dimensional vision

Domaines: Vision par ordinateur et reconnaissance de formes [cs.CV]

Roger Mohr, Emmanuel Arbogast. It Can Be Done without Camera Calibration. Pattern Recognition Letters, 1991, 12 (1), pp.39--43. ⟨10.1016/0167-8655(91)90026-I⟩. ⟨inria-00548457⟩