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[ctsim.git] / doc / ctsim-concepts.tex

diff --git a/doc/ctsim-concepts.tex b/doc/ctsim-concepts.tex
index 29a0fad3b1d294fc0f2819c0c22ced9fd42a3f35..64a870dc1a88fe545610fa531d4d414966ea585f 100644 (file)
--- a/doc/ctsim-concepts.tex
+++ b/doc/ctsim-concepts.tex
@@ -194,7 +194,7 @@ physically impossible and it analagous to have having the x-ray
 source inside of the \emph{view diameter}.
 
 
-\subsection{Parallel Geometry}\label{geometryparallel}\index{Parallel geometry}
+\subsection{Parallel Geometry}\label{geometryparallel}\index{Parallel geometry}\index{Scanner!Parallel}
 
 The simplest geometry, parallel, was used in \mbox{$1^{st}$} generation
 scanners. As mentioned above, the focal length is not used in this simple
@@ -208,6 +208,7 @@ significant distortions will occur.
 
 
 \subsection{Divergent Geometries}\label{geometrydivergent}\index{Equilinear geometry}\index{Equiangular geometry}
+\index{Scanner!Equilinear}\index{Scanner!Equiangular}
 \subsubsection{Overview}
 Next consider the case of equilinear (second generation) and equiangular
 (third, fourth, and fifth generation) geometries. In these cases,
@@ -347,7 +348,7 @@ Backprojection is the process of ``smearing'' the filtered
 projections over the reconstructing image. Various levels of
 interpolation can be specified.
 
-\section{Image Comparison}\index{Image comparison}
+\section{Image Comparison}\label{conceptimagecompare}\index{Image!Comparison}
 Images can be compared statistically. Three measurements can be calculated
 by \ctsim. They are taken from the standard measurements used by
 Herman\cite{HERMAN80}. They are: