From 39e76b8c6317d0d02ab027de954107d82dccc765 Mon Sep 17 00:00:00 2001 From: David Berry Date: Thu, 9 Oct 2014 16:54:33 +0100 Subject: [PATCH] pubs: Fellwalker - HOP also claims to be insensitive to parameter settings so it's not suprising that FellWalker is also insensitive to parameter settings. --- pubs/fellwalker/fellwalker.tex | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/pubs/fellwalker/fellwalker.tex b/pubs/fellwalker/fellwalker.tex index 3a9952d2f15..9f30522df1a 100644 --- a/pubs/fellwalker/fellwalker.tex +++ b/pubs/fellwalker/fellwalker.tex @@ -226,7 +226,10 @@ \section{Introduction} minimum). It shares much in common with the HOP algorithm \citep{1998Eisenstein} - another gradient-tracing watershed algorithm, but is designed for use with gridded observational data rather than particles in -an N-body simulation. +an N-body simulation. HOP is known to be relatively insensitive to the +values supplied for its parameters (except the lower threshold), +reflecting a similar feature found for FellWalker (see +section~\ref{sec:compare}). An implementation of the FellWalker algorithm is included in the Starlink \htmladdnormallinkfoot{CUPID}{http://starlink.jach.hawaii.edu/starlink/CUPID}