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Sensors 2014, 14(9), 16630-16650;

Sequential and Automatic Image-Sequence Registration of Road Areas Monitored from a Hovering Helicopter

Fugro Intersite B.V., Fugro, Dillenburgsingel 69, 2263 HW Leidschendam, The Netherlands
Department of Geoscience and Remote Sensing, Delft University of Technology, P.O. Box 5048,2600 GA Delft, The Netherlands
Author to whom correspondence should be addressed.
Received: 22 June 2014 / Revised: 14 August 2014 / Accepted: 1 September 2014 / Published: 5 September 2014
(This article belongs to the Special Issue Positioning and Tracking Sensors and Technologies in Road Transport)
Full-Text   |   PDF [6596 KB, uploaded 5 September 2014]


In this paper, we propose an automatic and sequential method for the registration of an image sequence of a road area without ignoring scene-induced motion. This method contributes to a larger work, aiming at vehicle tracking. A typical image sequence is recorded from a helicopter hovering above the freeway. The demand for automation is inevitable due to the large number of images and continuous changes in the traffic situation and weather conditions. A framework is designed and implemented for this purpose. The registration errors are removed in a sequential way based on two homography assumptions. First, an approximate registration is obtained, which is efficiently refined in a second step, using a restricted search area. The results of the stabilization framework are demonstrated on an image sequence consisting of 1500 images and show that our method allows a registration between arbitrary images in the sequence with a geometric error of zero in pixel accuracy. View Full-Text
Keywords: image sequence stabilization;registration;sequential error removal;homography image sequence stabilization;registration;sequential error removal;homography
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Nejadasl, F.K.; Lindenbergh, R. Sequential and Automatic Image-Sequence Registration of Road Areas Monitored from a Hovering Helicopter. Sensors 2014, 14, 16630-16650.

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