Study on automatic airborne image positioning model and its application in FY-3A airborne experiment

Lei Yang; Zhongdong Yang; Min Guan; Liyang Zhang; Tiantian Wang

doi:10.1117/1.3216563

1 August 2009 Study on automatic airborne image positioning model and its application in FY-3A airborne experiment

Lei Yang, Zhongdong Yang, Min Guan, Liyang Zhang, Tiantian Wang

Author Affiliations +

Journal of Applied Remote Sensing, Vol. 3, Issue 1, 033541 (August 2009). https://doi.org/10.1117/1.3216563

Abstract

This paper addresses the issue on airborne image positioning model and its application in FY-3A experiment. First, the FY-3A Medium Resolution Spectral Imager (MERSI)'s viewing vector is derived from MERSI's imaging pattern. Then, the image positioning model is analyzed mathematically in detail which is based on Earth-aircraft geometry. The model parameters are mainly determined by both the sensor - aircraft alignment and the onboard discrete measurements of the positioning and orientation. Flight trials are flown at an altitude of 8300 m over the Qinghai Lake China. It is shown that the image positioning accuracy (about 1~4 pixels) is better than previous methods (more than 7 pixels, [G. J. Jedlovec et al. NASA Technical Memorandum TM - 100352 (1989) and D. P. Roy et al. Int. J. Rem. Sens. 18(9), 1865 - 1887 (1997)]). It is also shown that the model has the potential to hold the image positioning errors within one pixel. The model can operate automatically, and does not need ground control points data. Since our algorithm get the image positioning results through an observation geometric perspective which is in computing the point at which the sensor viewing vector intersects the earth surface, our algorithm assumes the airborne data are from the plain area.

Citation Download Citation

Lei Yang, Zhongdong Yang, Min Guan, Liyang Zhang, and Tiantian Wang "Study on automatic airborne image positioning model and its application in FY-3A airborne experiment," Journal of Applied Remote Sensing 3(1), 033541 (1 August 2009). https://doi.org/10.1117/1.3216563

Published: 1 August 2009

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available