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Optimized spectral indices for global vegetation and water mapping using Sentinel-2. [PDF]

open access: yesSci Rep
Chrysostomou C   +3 more
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CAECENET: An automatic system processing photometer and ceilometer data from different networks to provide columnar and vertically-resolved aerosol properties. [PDF]

open access: yesPLoS One
Herrero Del Barrio C   +19 more
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Techniques for BRDF evaluation

The Visual Computer, 2021
Bidirectional reflectance distribution functions (BRDFs) describe how light interacts with a point on a surface. To propose a new BRDF formulation or to compare different reflectance representations, it is necessary to confront the results obtained with those functions against previous work or measured data.
Mislene Da Silva Nunes   +3 more
openaire   +1 more source

BRDF display

ACM SIGGRAPH 2007 posters, 2007
We propose a BRDF display that reproduces the textures of a light field. Conventional displays are now high-definition (HD). HDdisplays are ideal in terms of their excellent resolution. This, of course begs, the questions of whether resolution is the most important factor when judging the quality of a display?
Takafumi Koike, Takeshi Naemura
openaire   +1 more source

The D-BRDF model as a basis for BRDF acquisition

ACM SIGGRAPH 2007 posters, 2007
Real world materials exhibit characteristic surface reflectance, such as glossy or specular highlights, and anisotropy that need to be modeled accurately for realistic rendering applications. The surface reflectance of a material is formalized by the notion of the Bidirectional Reflectance Distribution Function (BRDF).
Abhijeet Ghosh, Wolfgang Heidrich
openaire   +1 more source

Time-Varying BRDFs

IEEE Transactions on Visualization and Computer Graphics, 2007
The properties of virtually all real-world materials change with time, causing their bidirectional reflectance distribution functions (BRDFs) to be time varying. However, none of the existing BRDF models and databases take time variation into consideration; they represent the appearance of a material at a single time instance. In this paper, we address
Bo Sun   +4 more
openaire   +2 more sources

Parameterization of Tabulated BRDFs

Proceedings of the 33rd Computer Graphics International, 2016
Measured or simulated data for bidirectional reflectance distribution functions (BRDFs) of various materials is typically stored in a tabulated form by discretizing incoming and outgoing directions over the hemisphere. Since reflected radiance is usually strongly nonuniform over the hemisphere, a uniform discretization of a BRDF usually leads to poor ...
Ian Mallett 0001, Cem Yuksel
openaire   +1 more source

A dynamic BRDF display

ACM SIGGRAPH 2011 Emerging Technologies, 2011
Traditional computer displays are designed to be invariant to illumination and viewing conditions. However, this is not what the real world behaves like. Real materials reflect the surrounding light in a characteristic way that depends on the angles of illumination and observation.
Hullin, M.   +4 more
openaire   +2 more sources

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