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Authors: Joni Herttuainen ; Tuomas Eerola ; Lasse Lensu and Heikki Kälviäinen

Affiliation: Lappeenranta University of Technology, Finland

Keyword(s): Trajectory Alignment, Camera Calibration.

Related Ontology Subjects/Areas/Topics: Applications and Services ; Computer Vision, Visualization and Computer Graphics ; Enterprise Information Systems ; Human and Computer Interaction ; Human-Computer Interaction ; Motion, Tracking and Stereo Vision ; Tracking and Visual Navigation

Abstract: In this paper, we present an automatic method that given the 2D and 3D motion trajectories recorded with a camera and 3D sensor, automatically calibrates the camera with respect to the 3D sensor coordinates and aligns the trajectories with respect to time. The method utilizes a modified Random Sample Consensus (RANSAC) procedure that iteratively selects two points from both trajectories, uses them to calculate the scale and translation parameters for the temporal alignment, computes point correspondences, and estimates the camera matrix. We demonstrate the approach with a setup consisting of a standard web camera and Leap Motion sensor. We further propose necessary object tracking and trajectory filtering procedures to produce proper trajectories with the setup. The result showed that the proposed method achieves over 96% success rate with a test set of complex trajectories.

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Paper citation in several formats:
Herttuainen, J.; Eerola, T.; Lensu, L. and Kälviäinen, H. (2017). Simultaneous Camera Calibration and Temporal Alignment of 2D and 3D Trajectories. In Proceedings of the 12th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications (VISIGRAPP 2017) - Volume 6: VISAPP; ISBN 978-989-758-227-1; ISSN 2184-4321, SciTePress, pages 445-450. DOI: 10.5220/0006126304450450

@conference{visapp17,
author={Joni Herttuainen. and Tuomas Eerola. and Lasse Lensu. and Heikki Kälviäinen.},
title={Simultaneous Camera Calibration and Temporal Alignment of 2D and 3D Trajectories},
booktitle={Proceedings of the 12th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications (VISIGRAPP 2017) - Volume 6: VISAPP},
year={2017},
pages={445-450},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0006126304450450},
isbn={978-989-758-227-1},
issn={2184-4321},
}

TY - CONF

JO - Proceedings of the 12th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications (VISIGRAPP 2017) - Volume 6: VISAPP
TI - Simultaneous Camera Calibration and Temporal Alignment of 2D and 3D Trajectories
SN - 978-989-758-227-1
IS - 2184-4321
AU - Herttuainen, J.
AU - Eerola, T.
AU - Lensu, L.
AU - Kälviäinen, H.
PY - 2017
SP - 445
EP - 450
DO - 10.5220/0006126304450450
PB - SciTePress

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