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Therefore, a more robust +Both {\VW} and {\DP} have a tendency to remove the small bends altogether, a +valuable characterization of the river. + +Sometimes low-water rivers in slender slopes have many bends next to each +other. In low resolutions (either in small-DPI screens or paper, or when the +river is sufficiently zoomed out, or both), the small bends will amalgamate to +a unintelligible blob. Figure~\onpage{fig:amalgamate1} and +figure~\onpage{fig:amalgamate2} are real-world examples where a river, normally +1 or 2 pixels wide, creates a few pixels wide blob due to a number of bends. + +\begin{figure}[h] + \includegraphics[width=\textwidth]{amalgamate1} + \caption{Narrow bends amalgamating into large unintelligible blobs} + \label{fig:pixel-amalgamation} +\end{figure} + + +Therefore, a more robust generalization algorithm is worthwhile for lookout. \subsubsection{Modern approaches}