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Juerg T. Schopfer
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Publications (2)
SPIE Journal Paper | 1 May 2010
Impact of multiangular information on empirical models to estimate canopy nitrogen concentration in mixed forest
Silvia Huber, Benjamin Koetz, Achilleas Psomas, Mathias Kneubuehler, Juerg Schopfer, Klaus Itten, Niklaus Zimmermann
JARS, Vol. 4, Issue 01, 043530, (May 2010) https://doi.org/10.1117/12.10.1117/1.3435334
KEYWORDS: Data modeling, Reflectivity, Nitrogen, Absorption, Biological research, Scattering, Data acquisition, Biochemistry, Vegetation, Sensors
Proceedings Article | 4 November 2004 Paper
Comparison of field and laboratory spectro-directional measurements using a standard artificial target
Juerg Schopfer, Stefan Dangel, Johannes Kaiser, Mathias Kneubuehler, Jens Nieke, Gabriela Schaepman-Strub, Michael Schaepman, Klaus Itten
Proceedings Volume 5570, (2004) https://doi.org/10.1117/12.585555
KEYWORDS: Reflectivity, Sun, Bidirectional reflectance transmission function, Photometry, Anisotropy, Sensors, Spatial resolution, Lamps, Remote sensing, Light sources
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