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Remote Sens. 2014, 6(11), 10523-10545; doi:10.3390/rs61110523

An Analysis of the Side Slither On-Orbit Calibration Technique Using the DIRSIG Model

1
Chester F. Carlson Center for Imaging Science, Rochester Institute of Technology, 54 Lomb Memorial Drive, Rochester, NY 14624, USA
2
Sigma Space Corporation, NASA Goddard Space Flight Center, 8800 Greenbelt Rd., Greenbelt, MD 20771, USA
*
Author to whom correspondence should be addressed.
Received: 31 July 2014 / Revised: 9 October 2014 / Accepted: 11 October 2014 / Published: 31 October 2014
(This article belongs to the Special Issue Landsat-8 Sensor Characterization and Calibration)
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Abstract

Pushbroom-style imaging systems exhibit several advantages over line scanners when used on space-borne platforms as they typically achieve higher signal-to-noise and reduce the need for moving parts. Pushbroom sensors contain thousands of detectors, each having a unique radiometric response, which will inevitably lead to streaking and banding in the raw data. To take full advantage of the potential exhibited by pushbroom sensors, a relative radiometric correction must be performed to eliminate pixel-to-pixel non-uniformities in the raw data. Side slither is an on-orbit calibration technique where a 90-degree yaw maneuver is performed over an invariant site to flatten the data. While this technique has been utilized with moderate success for the QuickBird satellite [1] and the RapidEye constellation [2], further analysis is required to enable its implementation for the Landsat 8 sensors, which have a 15-degree field-of-view and a 0.5% pixel-to-pixel uniformity requirement. This work uses the DIRSIG model to analyze the side slither maneuver as applicable to the Landsat sensor. A description of favorable sites, how to adjust the maneuver to compensate for the curvature of “linear” arrays, how to efficiently process the data, and an analysis to assess the quality of the side slither data, are presented. View Full-Text
Keywords: side slither; 90 degree yaw; Landsat 8; OLI; TIRS; DIRSIG; calibration side slither; 90 degree yaw; Landsat 8; OLI; TIRS; DIRSIG; calibration
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Gerace, A.; Schott, J.; Gartley, M.; Montanaro, M. An Analysis of the Side Slither On-Orbit Calibration Technique Using the DIRSIG Model. Remote Sens. 2014, 6, 10523-10545.

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