Preprocessing of hyperspectral images: a comparative study of destriping algorithms for EO1-hyperion

Daniel Scheffler; Pierre Karrasch

doi:10.1117/12.2028733

17 October 2013 Preprocessing of hyperspectral images: a comparative study of destriping algorithms for EO1-hyperion

Daniel Scheffler, Pierre Karrasch

Proceedings Volume 8892, Image and Signal Processing for Remote Sensing XIX; 88920H (2013) https://doi.org/10.1117/12.2028733
Event: SPIE Remote Sensing, 2013, Dresden, Germany

Abstract

In this study, data from the EO-1 Hyperion instrument were used. Apart from atmospheric influences or topographic effects, the data represent a good choice in order to show different steps of the preprocessing process targeting sensorinternal sources of errors. These include the diffuse sensor noise, the striping effect, the smile effect, the keystone effect and the spatial misalignments between the detector arrays. For this research paper, the authors focus on the striping effect by comparing and evaluating different algorithms, methods and configurations to correct striping errors. The correction of striping effects becomes necessary due to the imprecise calibration of the detector array. This inaccuracy affects especially the first 12 visual and near infrared bands (VNIR) and also a large number of the bands in the short wave infrared array (SWIR). Altogether six destriping techniques were tested on the basis of a Hyperion dataset covering a test site in Central Europe. For the final evaluation, various analyses across all Hyperion channels were performed. The results show that some correction methods have almost no effect on the striping in the images. Other methods may eliminate the striping, but analyses show that these algorithms also alter pixel values in adjacent areas which originally had not been disturbed by the striping effect.

Citation Download Citation

Daniel Scheffler and Pierre Karrasch "Preprocessing of hyperspectral images: a comparative study of destriping algorithms for EO1-hyperion", Proc. SPIE 8892, Image and Signal Processing for Remote Sensing XIX, 88920H (17 October 2013); https://doi.org/10.1117/12.2028733

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