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Proceedings Paper

Onboard system for synchronizing video and telemetry on a small UAV
Author(s): Andrés Rodríguez; Clark Taylor; Yohannes Aregawi; Ronald Dennis; Todd Jenkins
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Paper Abstract

Data acquisition with multiple sensors requires accurate registration in both time and space for effective data fusion. This paper presents a system that permits synchronization for GPS and video, but it can be expanded to include other sensors (i.e. infrared, SAR, etc). We begin with a discussion on the using a pulse-per-second signal for synchronization. We then describe the workings of the Global Positioning System. We compare dfferent autopilots, cameras, frame captures, processors, operating systems, and data storages that can be used for the system, and provide our hypothesis for device selection. We introduce the overall idea of video compression, brieify summarize the different methods, explain our choice of MPEG-2, describe the metadata format, compare the choices of encoders, and explain the MPEG transport stream. We present the benefits of using certain transmission frequencies and the legal restrictions, and give our frequency choices based on available transmitters and receivers. We finish with a summary of the entire system.

Paper Details

Date Published: 15 April 2008
PDF: 12 pages
Proc. SPIE 6961, Intelligent Computing: Theory and Applications VI, 696109 (15 April 2008); doi: 10.1117/12.782452
Show Author Affiliations
Andrés Rodríguez, Brigham Young Univ. (United States)
Clark Taylor, Brigham Young Univ. (United States)
Yohannes Aregawi, Air Force Research Lab. (United States)
Ronald Dennis, Air Force Research Lab. (United States)
Todd Jenkins, Air Force Research Lab. (United States)

Published in SPIE Proceedings Vol. 6961:
Intelligent Computing: Theory and Applications VI
Kevin L. Priddy; Emre Ertin, Editor(s)

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