Reflectance anisotropy measurements using a pushbroom spectrometer mounted on UAV and a laboratory goniometer – preliminary results

Research output: Chapter in Book/Report/Conference proceedingConference paper

4 Citations (Scopus)

Abstract

During 2014–2015 we have developed a new method to measure reflectance factor anisotropy using a pushbroom spectrometer mounted on a multicopter UAV. In this paper/presentation we describe the acquisition method and show the preliminary results of the experiment. To validate the measurements the same targets have also been measured with a laboratory goniometer system. The first experiments over sugar beet fields in 2014 show similar trends in both UAV and laboratory anisotropy data, but also some differences caused by differences in sampling and diffuse illumination. In 2015 a more extensive study on wheat, barley and potato fields were performed. The measurements were repeated on three days over the growth of the crops allowing linking the development of the crops to the anisotropy signals. On each day the anisotropy measurement was repeated 4–5 times with different solar zenith angles ranging from 60° to 40° allowing analysis how the solar angle affects the anisotropy. The first results of these experiments will be presented in this conference.
Original languageEnglish
Title of host publication International Archives of the Photogrammetry, Remote Sensing and Spatial Information Science
Pages257-259
VolumeXL-1/W4
DOIs
Publication statusPublished - 2015
EventInternational Conference on Unmanned Aerial Vehicles in Geomatics, 30 Aug–02 Sep 2015, Toronto, Canada - Toronto, Canada
Duration: 30 Aug 20152 Sep 2015

Conference

ConferenceInternational Conference on Unmanned Aerial Vehicles in Geomatics, 30 Aug–02 Sep 2015, Toronto, Canada
CountryCanada
CityToronto
Period30/08/152/09/15

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