Geometric Description of Images as Topographic Maps
Caselles, Vicent, Monasse, Pascal
Produktnummer:
18f1cf12c580394847afd0c536276064e9
Autor: | Caselles, Vicent Monasse, Pascal |
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Themengebiete: | Algorithms Graph Node Sim algorithm combinatorics data structure image processing information information and communication, circuits |
Veröffentlichungsdatum: | 01.12.2009 |
EAN: | 9783642046100 |
Sprache: | Englisch |
Seitenzahl: | 192 |
Produktart: | Kartoniert / Broschiert |
Verlag: | Springer Berlin |
Produktinformationen "Geometric Description of Images as Topographic Maps"
This book discusses the basic geometric contents of an image and presents a treedatastructuretohandleite?ciently.Itanalyzesalsosomemorphological operators that simplify this geometric contents and their implementation in termsofthe datastructuresintroduced.It?nallyreviewsseveralapplications to image comparison and registration, to edge and corner computation, and the selection of features associated to a given scale in images. Let us ?rst say that, to avoid a long list, we shall not give references in this summary; they are obviously contained in this monograph. A gray level image is usually modeled as a function de?ned in a bounded N domain D? R (typically N = 2 for usual snapshots, N=3formedical images or movies) with values in R. The sensors of a camera or a CCD array transform the continuum of light energies to a ?nite interval of values by means of a nonlinear function g. The contrast change g depends on the pr- ertiesofthesensors,butalsoontheilluminationconditionsandthere?ection propertiesofthe objects,andthoseconditionsaregenerallyunknown.Images are thus observed modulo an arbitrary and unknown contrast change.

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