See discussions, stats, and author profiles for this publication at: https://www.researchgate.net/publication/233688800 Automatic Estimation of Vehicle Activity from Airborne Thermal Infrared Video of Urban Areas by Trajectory Classification... Article in Photogrammetrie - Fernerkundung - Geoinformation · November 2009 DOI: 10.1127/1432-8364/2009/0028 CITATIONS 2 READS 152 3 authors, including: Some of the authors of this publication are also working on these related projects: ProgressTrack - Automated progress monitoring of construction sites using photogrammetric point clouds for updating 4D BIM View project Wei Yao University of Applied Sciences - Munich 61 PUBLICATIONS 394 CITATIONS SEE PROFILE Uwe Stilla Technische Universität München 459 PUBLICATIONS 3,267 CITATIONS SEE PROFILE All content following this page was uploaded by Uwe Stilla on 24 December 2016. The user has requested enhancement of the downloaded file. All in-text references underlined in blue are added to the original document and are linked to publications on ResearchGate, letting you access and read them immediately.