Title
Unmixing for detection and quantification of adjacency effects
Author
Faculty/Department
Faculty of Sciences. Physics
Publication type
bookPart
Publication
S.l. , [*]
Subject
Economics
Physics
Source (book)
IEEE IGARSS 2012, International Geoscience and Remote Sensing Symposium , Munich, 22-27 July 2012
ISSN
2153-6996
ISBN - Hoofdstuk
978-1-4673-1158-8
ISI
000313189403058
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
The adjacency effect is a well-known phenomenon of creating path interferences between the reflectances from different ground-cover materials. The effect is caused by atmospheric scattering, hence a typical approach to its detection has been the modeling of radiation transfer and spectral correspondence at particular wavelengths. In this paper, we investigate the detection of adjacency effect as being a general unmixing problem. This means that we opt to use unmixing to separate the true signature of a pixel from the background scatter reflected from its large neighborhood. Here, we concentrate on the prevalent linear mixing, and compare this with a specialized approach for detecting the adjacency effect in turbid waters surrounded by vegetation.
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