Janne Hakkarainen

Janne Hakkarainen
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Janne Hakkarainen

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Statistics - Methodology (1)
Mathematics - Probability (1)
Statistics - Computation (1)

Publications Authored By Janne Hakkarainen

A priori dimension reduction is a widely adopted technique for reducing the computational complexity of stationary inverse problems. In this setting, the solution of an inverse problem is parameterized by a low-dimensional basis that is often obtained from the truncated Karhunen-Loeve expansion of the prior distribution. For high-dimensional inverse problems equipped with smoothing priors, this technique can lead to drastic reductions in parameter dimension and significant computational savings. Read More