Title :
Self-calibrated direct geo-referencing of airborne pushbroom hyperspectral images
Author :
Yeh, Ching-Kuo ; Tsai, Victor J D
Author_Institution :
Dept. of Civil Eng., Nat. Chung Hsing Univ., Taichung, Taiwan
Abstract :
The basic idea of direct geo-referencing (DG) was realized and refined in this paper by introducing 19 additional parameters for self-calibration of airborne pushbroom hyperspectral images with in-flight GPS/IMU data. It is demonstrated that the proposed self-calibrated DG approach significantly rectify the geometric distortions caused by misalignments in GPS/IMU, aircraft vibration, interior parameters of the sensor´s optical system, and variations in pixel ground resolution and topography.
Keywords :
Global Positioning System; calibration; geophysical image processing; geophysical techniques; remote sensing; airborne pushbroom hyperspectral images; aircraft vibration; geometric distortions; inflight GPS data; inflight IMU data; interior parameters; pixel ground resolution; pushbroom scanner; remote sensing; self-calibrated DG approach; self-calibrated direct georeferencing; sensor optical system; Global Positioning System; Hyperspectral imaging; Image resolution; Optical distortion; Receivers; Sensors; Direct georeferencing; hyperspectral image; pushbroom scanner; remote sensing; self-calibration;
Conference_Titel :
Geoscience and Remote Sensing Symposium (IGARSS), 2011 IEEE International
Conference_Location :
Vancouver, BC
Print_ISBN :
978-1-4577-1003-2
DOI :
10.1109/IGARSS.2011.6049816
