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toni
2018-06-27 13:17:54 +02:00
parent c99b276c4f
commit 1e909acb5d
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tex/chapters/misc.tex
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@@ -17,6 +17,7 @@ To handle this phenomenon of weight degeneracy, a resampling procedure is perfor
\input{chapters/estimation}
\subsection{Sample Impoverishment}
\label{sec:impo}
As we have extensively discussed in \cite{Fetzer-17}, besides sample degeneracy, particle filters (and nearly all of its modifications) continue to suffer from another notorious problem: sample impoverishment.
It refers to a situation, in which the filter is unable to sample enough particles into proper regions of the building, caused by a high concentration of misplaced particles.
%Such situations are strongly influenced by the resampling step and most of all by restrictive transition models.