2 problems

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Dependence of the TV-based reconstruction advantage on phantom features
The experiments compare TV-based and shearlet-plus-TV regularization for region-of-interest tomography, using a phantom whose features are piecewise constant. The observed superior…
Conjectureopenregularization shearlets tomographyarXiv posted 2 days ago
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The $N$ -term approximation conjecture for $BV(\mathbb{R}^2)$ functions
$N$ -term approximation conjecture. The approximation error measured in $L^2$ for $\mathit{f}\in BV$ should decay as
Conjectureopenapproximation-theory functions-of-bounded-variation shearletsarXiv posted 2 days ago

Dependence of the TV-based reconstruction advantage on phantom features