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Published in:
2016 | OriginalPaper | Chapter
Image Signals
Authors : Jürgen Beyerer, Fernando Puente León, Christian Frese
Published in: Machine Vision
Publisher: 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
.