6533b7d0fe1ef96bd125b759

RESEARCH PRODUCT

Self-calibration of a PTZ Camera Using New LMI Constraints

David FofiDésiré SidibéFrancois RameauAdlane HabedCédric Demonceaux

subject

Reference viewComputer scienceRobustness (computer science)Control theoryComputingMethodologies_IMAGEPROCESSINGANDCOMPUTERVISIONPrincipal pointLinear matrix inequalityZoomCamera resectioning

description

In this paper, we propose a very reliable and flexible method for self-calibrating rotating and zooming cameras - generally referred to as PTZ (Pan-Tilt-Zoom) cameras. The proposed method employs a Linear Matrix Inequality (LMI) resolution approach and allows extra tunable constraints on the intrinsic parameters to be taken into account during the process of estimating these parameters. Furthermore, the considered constraints are simultaneously enforced in all views rather than in a single reference view. The results of our experiments show that the proposed approach allows for significant improvement in terms of accuracy and robustness when compared against state of the art methods.

https://doi.org/10.1007/978-3-642-37447-0_23