Abstract
The Wigner distribution of a two-dimensional image function has the form of a four-dimensional Fourier transform of a correlation product r(x 1 x 2,χ1,χ2) with respect to the spatial-shift variables χ1 and χ2 The corresponding ambiguity function has the form of the inverse Fourier transform of rx 1,x 2,χ1,χ2 with respect to spatial variables x 1 and x 2. There exist dual definitions in the frequency domain (f 1,f 2,μ1,μ2), where μ 1,μ 2 are frequency-shift variables. The paper presents the properties of these distributions and describes applications for image analysis.
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Hahn, S.L., Snopek, K.M. (2001). Wigner Distributions and Ambiguity Functions in Image Analysis. In: Skarbek, W. (eds) Computer Analysis of Images and Patterns. CAIP 2001. Lecture Notes in Computer Science, vol 2124. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-44692-3_65
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DOI: https://doi.org/10.1007/3-540-44692-3_65
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