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Journal of Zhejiang University SCIENCE A 2005 Vol.6 No.6 P.492-496


A two-step rectification algorithm for airborne linear images with POS data

Author(s):  TUO Hong-ya, LIU Yun-cai

Affiliation(s):  Institute of Image Processing & Pattern Recognition, Shanghai Jiaotong University, Shanghai 200030, China

Corresponding email(s):   tuohy@sjtu.edu.cn

Key Words:  Airborne linear image, POS data, Two-step rectification algorithm, Direct georeference position, Polynomial distortion model

TUO Hong-ya, LIU Yun-cai. A two-step rectification algorithm for airborne linear images with POS data[J]. Journal of Zhejiang University Science A, 2005, 6(6): 492-496.

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author="TUO Hong-ya, LIU Yun-cai",
journal="Journal of Zhejiang University Science A",
publisher="Zhejiang University Press & Springer",

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%T A two-step rectification algorithm for airborne linear images with POS data
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%DOI 10.1631/jzus.2005.A0492

T1 - A two-step rectification algorithm for airborne linear images with POS data
A1 - TUO Hong-ya
A1 - LIU Yun-cai
J0 - Journal of Zhejiang University Science A
VL - 6
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EP - 496
%@ 1673-565X
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PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.2005.A0492

Rectification for airborne linear images is an indispensable preprocessing step. This paper presents in detail a two-step rectification algorithm. The first step is to establish the model of direct georeference position using the data provided by the Positioning and Orientation System (POS) and obtain the mathematical relationships between the image points and ground reference points. The second step is to apply polynomial distortion model and Bilinear Interpolation to get the final precise rectified images. In this step, a reference image is required and some ground control points (GCPs) are selected. Experiments showed that the final rectified images are satisfactory, and that our two-step rectification algorithm is very effective.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article


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[7] Hartley, R., 1999. Theory and practice of projective rectification. International Journal of Computer Vision, 35(2):115-127.

[8] Hinsken, L., Miller, S., Tempelmann, U., Uebbing, R., Walker, S., 2002. Triangulation of LHSystems’ADS40 Imagery Using ORIMA GPS/IMU. International Archives of Photogrammetry and Remote Sensing, 34:156-162.

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[10] Skaloud, J., 1999. Optimizing Georeferencing of Airborne Survey Systems by INS/DGPS. Ph. D. Thesis, UCGE Report 20216 University of Calgary, Alberta, Canada.

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