Bohm, J (2006) Camera pan-tilt ego-motion tracking from point-based environment models. In: Takaya, Y and Kofman, J, (eds.) Optomechatronic Sensors, Instrumentation, and Computer-Vision Systems. (pp. U182 - U190). SPIE-INT SOC OPTICAL ENGINEERING
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Abstract
We propose a point-based environment model (PEM) to represent the absolute coordinate frame in which camera motion is to be tracked. The PEM can easily be acquired by laser scanning both indoors and outdoors even over long distances. ne approach avoids any expensive modeling step and instead uses the raw point data for scene representation. Also the approach requires no additional artificial markers or active components as orientation cues. Using intensity feature detection techniques key points are automatically extracted from the PEM and tracked across the image sequence. The orientation procedure of the imaging sensor is solely based on spatial resection.
| Type: | Proceedings paper |
|---|---|
| Title: | Camera pan-tilt ego-motion tracking from point-based environment models |
| Event: | Conference on Optomechatronic Sensors, Instrumentation, and Computer-Vision Systems |
| Location: | Boston, MA |
| Dates: | 2006-10-03 |
| ISBN-13: | 978-0-8194-6473-6 |
| DOI: | 10.1117/12.688346 |
| Keywords: | tracking, image sequence, feature point, camera, laser scanner, CALIBRATION |
| UCL classification: | UCL > School of BEAMS > Faculty of Engineering Science > Civil, Environmental and Geomatic Engineering |
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