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J. Imaging 2016, 2(1), 9; doi:10.3390/jimaging2010009

VIIRS Day/Night Band—Correcting Striping and Nonuniformity over a Very Large Dynamic Range

1
Renaissance Man Engineering, Glendale, CA 91202, USA
2
Cooperative Institute for Research in the Atmosphere, Colorado State University, Fort Collins, CO 80523, USA
*
Author to whom correspondence should be addressed.
Academic Editors: Xinmei Tian, Fionn Murtagh and Dacheng Tao
Received: 1 December 2015 / Revised: 26 January 2016 / Accepted: 26 February 2016 / Published: 14 March 2016
(This article belongs to the Special Issue Big Visual Data Processing and Analytics)

Abstract

The Suomi National Polar-orbiting (NPP) Visible Infrared Imaging Radiometer Suite (VIIRS) Day-Night Band (DNB) measures visible and near-infrared light extending over seven orders of magnitude of dynamic range. This makes radiometric calibration difficult. We have observed that DNB imagery has striping, banding and other nonuniformities—day or night. We identified the causes as stray light, nonlinearity, detector crosstalk, hysteresis and mirror-side variation. We found that these affect both Earth-view and calibration signals. These present an obstacle to interpretation by users of DNB products. Because of the nonlinearity we chose the histogram matching destriping technique which we found is successful for daytime, twilight and nighttime scenes. Because of the very large dynamic range of the DNB, we needed to add special processes to the histogram matching to destripe all scenes, especially imagery in the twilight regions where scene illumination changes rapidly over short distances. We show that destriping aids image analysts, and makes it possible for advanced automated cloud typing algorithms. Manual or automatic identification of other features, including polar ice and gravity waves in the upper atmosphere are also discussed. In consideration of the large volume of data produced 24 h a day by the VIIRS DNB, we present methods for reducing processing time. View Full-Text
Keywords: VIIRS; DNB; Suomi NPP; JPSS; imagery; striping; nonuniformity; destriping; calibration; low-light; remote sensing; stray light VIIRS; DNB; Suomi NPP; JPSS; imagery; striping; nonuniformity; destriping; calibration; low-light; remote sensing; stray light
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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

Mills, S.; Miller, S. VIIRS Day/Night Band—Correcting Striping and Nonuniformity over a Very Large Dynamic Range. J. Imaging 2016, 2, 9.

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