Authors:
Ghina El Natour
1
;
Omar Ait Aider
1
;
Raphael Rouveure
2
;
François Berry
1
and
Patrice Faure
2
Affiliations:
1
Blaise Pascal University, France
;
2
IRSTEA and Institut national de Recherche en Sciences et Technologies pour l’Environnement et l’Agriculture, France
Keyword(s):
3D Reconstruction, Multi-sensor Calibration, Range Sensor, Vision Sensor.
Related
Ontology
Subjects/Areas/Topics:
Computer Vision, Visualization and Computer Graphics
;
Device Calibration, Characterization and Modeling
;
Image Formation and Preprocessing
;
Image Formation, Acquisition Devices and Sensors
;
Multimodal and Multi-Sensor Models of Image Formation
Abstract:
The conscience of the surrounding environment is inevitable task for several applications such as mapping, autonomous navigation and localization. In this paper we are interested by exploiting the complementarity of a panoramic microwave radar and a monocular camera for 3D reconstruction of large scale environments. Considering the robustness to environmental conditions and depth detection ability of the radar on one hand, and the high spatial resolution of a vision sensor on the other hand, makes these tow sensors well adapted for large scale outdoor cartography. Firstly, the system model of the two sensors is represented and a new 3D reconstruction method based on sensors geometry is introduced. Secondly, we address the global calibration problem which consists in finding the exact transformation between radar and camera coordinate systems. The method is based on the optimization of a non-linear criterion obtained from a set of radar-to-image target
correspondences. Both methods ha
ve been validated with synthetic and real data.
(More)