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Landsat 8 operational land imager on-orbit geometric calibration and performance

November 14, 2014

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.

Citation Information

Publication Year 2014
Title Landsat 8 operational land imager on-orbit geometric calibration and performance
DOI 10.3390/rs61111127
Authors James C. Storey, Michael J. Choate, Kenton Lee
Publication Type Article
Publication Subtype Journal Article
Series Title Remote Sensing
Index ID 70133365
Record Source USGS Publications Warehouse
USGS Organization Earth Resources Observation and Science (EROS) Center

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