Articles with "hue angle" as a keyword



High-Resolution Mapping and Biomass Estimation of Suaeda salsa in Coastal Wetlands Using UAV Visible-Light Imagery and Hue Angle Inversion

Sign Up to like & get
recommendations!
Published in 2025 at "Applied Sciences"

DOI: 10.3390/app15137423

Abstract: Unmanned Aerial Vehicles (UAVs) have become powerful tools for high-resolution, quantitative remote sensing in ecological and environmental studies. In this study, we present a novel approach to accurately mapping and estimating the biomass of Suaeda… read more here.

Keywords: hue angle; suaeda salsa; biomass;

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

Sign Up to like & get
recommendations!
Published in 2021 at "Earth System Science Data"

DOI: 10.5194/essd-13-481-2021

Abstract: Abstract. We document the development and public release of a new dataset (1997–2018), consisting of global maps of the Forel–Ule index, hue angle and Secchi disk depth. Source data come from the European Space Agency… read more here.

Keywords: forel ule; hue angle; ule index; angle secchi ... See more keywords