EAN: 9783642046100

Bilder-Quelle: discount24.de - Sport-Freizeit

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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