Fast Space-Variant Elliptical Filtering Using Box Splines

The efficient realization of linear space-variant (non-convolution) filters is a challenging computational problem in image processing. In this paper, we demonstrate that it is possible to filter an image with a Gaussian-like elliptic window of varying size, elongation and orientation using a fixed...

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Veröffentlicht in:	IEEE transactions on image processing 2010-09, Vol.19 (9), p.2290-2306
Hauptverfasser:	Chaudhury, K N, Muñoz-Barrutia, Arrate, Unser, M
Format:	Artikel
Sprache:	eng
Schlagworte:	Algorithms Anisotropic gaussian Anisotropy Applied sciences box spline Convolution Covariance Detection, estimation, filtering, equalization, prediction Diagnostic Imaging Elongation Exact sciences and technology Filtering Filtration Finite difference methods finite-differences Gaussian approximation Gaussian distribution Gaussian processes Humans Image processing Image Processing, Computer-Assisted - methods Information, signal and communications theory Microscopy, Fluorescence Nonlinear filters Normal Distribution Pixel Pixels Polynomials running-sums Signal and communications theory Signal processing Signal, noise space-variant filter Splines Studies Telecommunications and information theory Zwart-powell (ZP) element
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