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Open AccessArticle

Landsat 8 Operational Land Imager On-Orbit Geometric Calibration and Performance

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Stinger Ghaffarian Technologies, Contractor to the U.S. Geological Survey Earth Resources Observation and Science Center (EROS), 47914 252nd Street, Sioux Falls, SD 57198, USA
2
Ball Aerospace and Technologies Corporation, 1600 Commerce Street, Boulder, CO 80301, USA
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Author to whom correspondence should be addressed.
Remote Sens. 2014, 6(11), 11127-11152; https://doi.org/10.3390/rs61111127
Received: 21 July 2014 / Revised: 2 November 2014 / Accepted: 3 November 2014 / Published: 11 November 2014
(This article belongs to the Special Issue Landsat-8 Sensor Characterization and Calibration)
The Landsat 8 spacecraft was launched on 11 February 2013 carrying the Operational Land Imager (OLI) payload for moderate resolution imaging in the visible, near infrared (NIR), and short-wave infrared (SWIR) spectral bands. During the 90-day commissioning period following launch, several on-orbit geometric calibration activities were performed to refine the prelaunch calibration parameters. The results of these calibration activities were subsequently used to measure geometric performance characteristics in order to verify the OLI geometric requirements. Three types of geometric calibrations were performed including: (1) updating the OLI-to-spacecraft alignment knowledge; (2) refining the alignment of the sub-images from the multiple OLI sensor chips; and (3) refining the alignment of the OLI spectral bands. The aspects of geometric performance that were measured and verified included: (1) geolocation accuracy with terrain correction, but without ground control (L1Gt); (2) Level 1 product accuracy with terrain correction and ground control (L1T); (3) band-to-band registration accuracy; and (4) multi-temporal image-to-image registration accuracy. Using the results of the on-orbit calibration update, all aspects of geometric performance were shown to meet or exceed system requirements. View Full-Text
Keywords: Landsat 8; Operational Land Imager; geolocation; band registration accuracy; geometric accuracy; Global Land Survey Landsat 8; Operational Land Imager; geolocation; band registration accuracy; geometric accuracy; Global Land Survey
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Storey, J.; Choate, M.; Lee, K. Landsat 8 Operational Land Imager On-Orbit Geometric Calibration and Performance. Remote Sens. 2014, 6, 11127-11152.

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