Total Variation as a Local Filter

In the Rudin-Osher-Fatemi (ROF) image denoising model, total variation (TV) is used as a global regularization term. However, as we observe, the local interactions induced by TV do not propagate much at long distances in practice, so that the ROF model is not far from being a local filter. In this p...

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Veröffentlicht in:	SIAM journal on imaging sciences 2011-01, Vol.4 (2), p.651-694
Hauptverfasser:	Louchet, Cécile, Moisan, Lionel
Format:	Artikel
Sprache:	eng
Schlagworte:	Algorithms Computer Science Image Processing Image processing systems Mathematical models Mathematics Numerical Analysis Partial differential equations Studies
Online-Zugang:	Volltext
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