Geometric calibration for a multi-camera-projector system

In this paper, we describe a calibration method for multi-camera-projector systems in which sensors face each other as well as share a common viewpoint. We use a translucent planar sheet framed in PVC piping as a calibration target which is placed at multiple positions and orientations within a scen...

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Published in2013 IEEE Workshop on Applications of Computer Vision (WACV) pp. 467 - 474
Main Authors Garcia, R. R., Zakhor, A.
Format Conference Proceeding Journal Article
LanguageEnglish
Published IEEE 01.01.2013
Subjects
Bedding
Bundle adjustment
Calibration
Cameras
Computer vision
Decoding
Devices
Encoding
Projectors
Robustness
Sensor systems
Workshops
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Summary:In this paper, we describe a calibration method for multi-camera-projector systems in which sensors face each other as well as share a common viewpoint. We use a translucent planar sheet framed in PVC piping as a calibration target which is placed at multiple positions and orientations within a scene. In each position, the target is captured by the cameras while it is being illuminated by a set of projected patterns from various projectors. The translucent sheet allows the projected patterns to be visible from both sides, allowing correspondences between devices that face each other. The set of correspondences generated between the devices using this target are input into a bundle adjustment framework to estimate calibration parameters. We demonstrate the effectiveness of this approach on a multiview structured light system made of three projectors and nine cameras.
Bibliography:ObjectType-Article-2
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SourceType-Conference Papers & Proceedings-2
ISBN:9781467350532
1467350532
ISSN:1550-5790
2642-9381
1550-5790
DOI:10.1109/WACV.2013.6475056