2016 | OriginalPaper | Buchkapitel
Image Signals
verfasst von : Jürgen Beyerer, Fernando Puente León, Christian Frese
Erschienen in: Machine Vision
Verlag: Springer Berlin Heidelberg
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An image signal g(x) acquired by the methods described in Chap.7 is a function g :
$${{\mathbb{R}}^{2}}\to {{\mathbb{R}}^{Q}}$$
, which—in the general case—maps the whole image plane to vectorial values, where
Q
denotes the number of channels (cf. Sec. 1.3). At first, both the domain and the range of the image signal are considered to be continuous. In this case, g(x) is called a
continuous image signal
or an
analog image signal
.