Two-step rectification method for distortions caused by aircraft roll in push-broom hyperspectral images

Hao Fang; Binlin Hu; Shijing Hao; Yuanjiang Wu; Yinnian Liu; Aihua Li

doi:10.1117/1.JRS.11.046019

12 December 2017 Two-step rectification method for distortions caused by aircraft roll in push-broom hyperspectral images

Hao Fang, Binlin Hu, Shijing Hao, Yuanjiang Wu, Yinnian Liu, Aihua Li

Author Affiliations +

Journal of Applied Remote Sensing, Vol. 11, Issue 4, 046019 (December 2017). https://doi.org/10.1117/1.JRS.11.046019

Abstract

Aircraft roll is an important reason for geometric distortion of airborne push-broom hyperspectral images. A two-step rectification method is proposed to correct the geometric distortions of push-broom hyperspectral images caused by aircraft roll. According to the distortion characteristics of hyperspectral images, image distortion is mainly classified into two categories: high frequency distortion and large amplitude distortion. For high frequency distortion, the first-step correction is implemented by slide matching of segmented windows between adjacent scan lines. For large amplitude distortion, the second-step correction is achieved using ground control points and linear features between a reference map and an uncorrected image. Experimental results show that the proposed method can eliminate image distortion caused by aircraft roll effectively.

Citation Download Citation

Hao Fang, Binlin Hu, Shijing Hao, Yuanjiang Wu, Yinnian Liu, and Aihua Li "Two-step rectification method for distortions caused by aircraft roll in push-broom hyperspectral images," Journal of Applied Remote Sensing 11(4), 046019 (12 December 2017). https://doi.org/10.1117/1.JRS.11.046019

Received: 15 June 2017; Accepted: 17 November 2017; Published: 12 December 2017

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