Broad Leaf Bidirectional Reflectance Distribution Functions (BRDFs)

Broad Leaf Bidirectional Reflectance Distribution Functions (BRDFs)

Citation Author(s):
Benjamin
Roth
Rochester Institute of Technology
Submitted by:
Benjamin Roth
Last updated:
Tue, 01/28/2020 - 10:36
DOI:
10.21227/yjek-2059
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The data relates to a study that captured deciduous broadleaf Bidirectional Reflectance Distribution Functions (BRDFs) from the visible through shortwave-infrared (SWIR) spectral regions (350-2500 nm) and accurately modeled the BRDF for extension to any illumination angle, viewing zenith, or azimuthal angle. Measurements were made from three species of large trees, Norway maple (Acer platanoides), American sweetgum (Liquidambar styraciflua), and northern red oak (Quercus rubra). We then fit the data through nonlinear regression to physical, microfacet BRDF models.  The significance of this work is the implications for forestry remote sensing, as rigorous models to represent leaves allow for the creation of more accurate forest scenes for radiative transfer modeling. 

Instructions: 

There are three different file types in this database.  The first are .raw files that are ascii files of the estimated BRDF data from measurements (Note that the measurements are really bi-conical), the second are .py python files for reading, plotting, and fitting the data to a microfacet model.  The last file type are .txt files of the microfacet fit parameters previously found. 

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[1] Benjamin Roth, "Broad Leaf Bidirectional Reflectance Distribution Functions (BRDFs)", IEEE Dataport, 2020. [Online]. Available: http://dx.doi.org/10.21227/yjek-2059. Accessed: Feb. 28, 2020.
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doi = {10.21227/yjek-2059},
url = {http://dx.doi.org/10.21227/yjek-2059},
author = {Benjamin Roth },
publisher = {IEEE Dataport},
title = {Broad Leaf Bidirectional Reflectance Distribution Functions (BRDFs)},
year = {2020} }
TY - DATA
T1 - Broad Leaf Bidirectional Reflectance Distribution Functions (BRDFs)
AU - Benjamin Roth
PY - 2020
PB - IEEE Dataport
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Benjamin Roth. (2020). Broad Leaf Bidirectional Reflectance Distribution Functions (BRDFs). IEEE Dataport. http://dx.doi.org/10.21227/yjek-2059
Benjamin Roth, 2020. Broad Leaf Bidirectional Reflectance Distribution Functions (BRDFs). Available at: http://dx.doi.org/10.21227/yjek-2059.
Benjamin Roth. (2020). "Broad Leaf Bidirectional Reflectance Distribution Functions (BRDFs)." Web.
1. Benjamin Roth. Broad Leaf Bidirectional Reflectance Distribution Functions (BRDFs) [Internet]. IEEE Dataport; 2020. Available from : http://dx.doi.org/10.21227/yjek-2059
Benjamin Roth. "Broad Leaf Bidirectional Reflectance Distribution Functions (BRDFs)." doi: 10.21227/yjek-2059