Optimized Fourier Bilateral Filtering

We consider the problem of approximating a truncated Gaussian kernel using Fourier (trigonometric) functions. The computation-intensive bilateral filter can be expressed using fast convolutions by applying such an approximation to its range kernel, where the truncation in question is the dynamic ran...

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Bibliographische Detailangaben

Veröffentlicht in:	IEEE signal processing letters 2018-10, Vol.25 (10), p.1555-1559
Hauptverfasser:	Ghosh, Sanjay, Nair, Pravin, Chaudhury, Kunal N.
Format:	Artikel
Sprache:	eng
Schlagworte:	Accuracy Approximation Approximation algorithms Approximation error Bilateral filter fast approximation Filtration Fourier basis Fourier series Kernel Matlab Optimization
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