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Modeling image motion in airborne Three-Line-Array (TLA) push-broom cameras

Jia, G., Wang, X., Wei, H. and Zhang, Z. (2013) Modeling image motion in airborne Three-Line-Array (TLA) push-broom cameras. Photogrammetric Engineering and Remote Sensing, 79 (1). pp. 67-78. ISSN 0099-1112

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This paper presents an image motion model for airborne three-line-array (TLA) push-broom cameras. Both aircraft velocity and attitude instability are taken into account in modeling image motion. Effects of aircraft pitch, roll, and yaw on image motion are analyzed based on geometric relations in designated coordinate systems. The image motion is mathematically modeled by image motion velocity multiplied by exposure time. Quantitative analysis to image motion velocity is then conducted in simulation experiments. The results have shown that image motion caused by aircraft velocity is space invariant while image motion caused by aircraft attitude instability is more complicated. Pitch,roll and yaw all contribute to image motion to different extents. Pitch dominates the along-track image motion and both roll and yaw greatly contribute to the cross-track image motion. These results provide a valuable base for image motion compensation to ensure high accuracy imagery in aerial photogrammetry.

Item Type:Article
Divisions:Science > School of Mathematical, Physical and Computational Sciences > Department of Computer Science
ID Code:31759
Uncontrolled Keywords:Aviation; Data and Information Technology; I20: Design and Planning of Transport Infrastructure
Publisher:American Society for Photogrammetry and Remote Sensing

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