Hyperbolic Catadioptric Camera Calibration. Étalonnage de Caméras Catadioptriques Hyperboloïdes

Hyperbolic Catadioptric Camera Calibration

Étalonnage de Caméras Catadioptriques Hyperboloïdes

Frédéric Comby Charles Caderas de Kerleau  Olivier Strauss 

LIRMM, 161 rue Ada 34392 Montpellier cedex 5, France

24 January 2005
31 December 2005
| Citation



This article adresses the hyperbolic catadioptric camera calibration matter.An automatic calibration process has been developped,thus no user intervention is required to perform the camera intrinsic and extrinsic parameters estimation. This process uses a specific calibration pattern built to fit the geometry of the sensor.The pattern features are really easy to identify and allow a robust camera calibration.The performances of the algorithm are illustrated by some examples.


Cet article présente une procédure d'étalonnage pour les caméras panoramiques catadioptriques utilisant un miroir hyperbolique de révolution. L'algorithme que nous avons développé permet un étalonnage automatique (sans intervention d'un opérateur) des paramètres intrinsèques et extrinsèques de la caméra. Il utilise une mire d'étalonnage particulière,adaptée à la géométrie du capteur. Cette mire contient des formes particulièrement simples à détecter et permet un étalonnage robuste du système. Nous illustrons les performances de l'algorithme d'étalonnage par quelques exemples.


Calibration,omnidirectional camera,hyperbolic mirror.

Mots clés 

Étalonnage,caméra omnidirectionnelle,miroir hyperbolique de révolution.

1. Introduction
2. Modèles des Différents Éléments du Capteur
3. Estimation des Paramètres Intrinsèques et Extrinsèques
4. Mire d'Étalonnage
5. Résultats
6. Conclusion et Perspectives

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