Radiometry of wet surfaces, When water matters
EAN13
9782759829316
Éditeur
EDP sciences
Date de publication
Collection
IOGS
Langue
anglais
Fiches UNIMARC
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Radiometry of wet surfaces

When water matters

EDP sciences

Iogs

Livre numérique

  • Aide EAN13 : 9782759829316
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As everyone can see every day, many objects or materials change their
appearance when they get wet. Most of the time, the object becomes more
translucent, its color darker and more chromatic. Beyond these general trends,
is it possible to predict these changes in appearance for a given type of
surface, and for a given humidity level? This is the question studied in this
book, by drawing up a first inventory of available knowledge and ongoing
research in multiple fields of application: in remote sensing, to correctly
identify surfaces and estimate moisture content; in public lighting, to
improve visibility on wet roads; in computer graphics, to render wet surfaces
in a more realistic way… There is no universal model to describe the changes
in spectral, angular and spatial responses of a wetted surface. The mechanisms
of light scattering are not affected in the same way according to whether the
material is porous, fibrous, powdery, and can be filled by water, or
impermeable and can be covered by a water layer. In some applications where
the infrared domain is of interest, the strong absorptance of water is also to
be considered. This book was initiated by the GDR Appamat, a grouping of
research focused on material appearance created in 2019 by the French national
center for scientific research (CNRS). In 9 chapters, 26 specialists from
various disciplines present different approaches that open perspectives on
this field of research. Hopefully, students, engineers, and researchers will
be inspired by these ideas to propose future developments.
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