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Time Resolved Fluorescence Diffuse Optical Tomography Using Multi-Resolution Exponential B-Splines

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Comparison of Wavelets from the Point of View of Their Approximation Error

Michaël Unser, Thierry Blu

We present new quantitative results for the characterization of the

L _{ 2 }

-error of wavelet-like expansions as a function of the scale a. This yields an extension as well as a simplification of the asymptotic error formulas that have been published ...

SPIE1998

Approximation Error for Quasi-Interpolators and (Multi-) Wavelet Expansions

Michaël Unser, Thierry Blu

We investigate the approximation properties of general polynomial preserving operators that approximate a function into some scaled subspace of

L _{ 2 }

via an appropriate sequence of inner products. In particular, we consider integer shift-invariant a ...

Academic Press1999