Search Results - Open Polar - "Huế"

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1

Global maps of Forel–Ule index, hue angle and Secchi disk depth derived from 21 years of monthly ESA Ocean Colour Climate Change Initiative data

by Pitarch, Jaime, Bellacicco, Marco, Marullo, Salvatore, van der Woerd, Hendrik J.
Published in Earth System Science Data (2021)
“... maps of the Forel–Ule index, hue angle and Secchi disk depth. Source data come from the European Space...”

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2

Auroral alert version 1.0: Two-step automatic detection of sudden auroral intensification from all-sky jpeg images

by Yamauchi, Masatoshi, Brändstöm, Urban
Published 2022
“... is further divided into two stages: (1a) Using simple criteria for R (red), G (green), B (blue), and H (hue...”

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3

Auroral alert version 1.0: two-step automatic detection of sudden aurora intensification from all-sky JPEG images

by Yamauchi, Masatoshi, Brändström, Urban
Published in Geoscientific Instrumentation, Methods and Data Systems (2023)
“... (blue) values in the RGB color code and the H (hue) value calculated from these RGB values, each pixel...”

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Article in Journal/Newspaper