\begin{thebibliography}{10}

\bibitem{MeVisLab2007a}
{MeVisLab}.
\newblock Technical report, MeVis, 2007, Available online:
  \\\href{http://www.mevislab.de/index.php?id=mevislabmain}
  {http://www.mevislab.de/index.php?id=mevislabmain}.

\bibitem{SciRun2007a}
{SCIRun}.
\newblock Technical report, Scientific Computing and Imaging Institute,
  University of Utah, 2007, Available online:
  \href{http://software.sci.utah.edu/scirun.html}
  {http://software.sci.utah.edu/scirun.html}.

\bibitem{Slicer2007a}
Slicer 3.0.
\newblock Technical report, NA-MIC, 2007, Available online:
  \\\href{http://www.na-mic.org/Wiki/index.php/Slicer3}
  {http://www.na-mic.org/Wiki/index.php/Slicer3}.

\bibitem{VolView2007a}
{VolView 2.0 Users Guide}.
\newblock Technical report, Kitware, Inc, 2007, Available online:
  \\\href{http://www.volview.com/VolView/VolView20Help.pdf}
  {http://www.volview.com/VolView/VolView20Help.pdf}.

\bibitem{Chu2005a}
V.~Chu and G.~Hamarneh.
\newblock {MATITK}: Extending {MATLAB} with {ITK}.
\newblock {\em The Insight Journal}, December, 2005.

\bibitem{Ibanez2007a}
L.~Ibanez, W.~Schroeder, L.~Ng, and J.~Cates.
\newblock The {ITK} {S}oftware {G}uide: {T}he {I}nsight {S}egmentation and
  {R}egistration {T}oolkit.
\newblock Technical report, Kitware, Inc, 2007.

\bibitem{Kniss2002a}
J.~Kniss, G.~Kindlmann, and C.~Hansen.
\newblock Multidimensional transfer functions for interactive volume rendering.
\newblock {\em IEEE Transactions on Visualization and Computer Graphics},
  8(3):270--285, 2002.

\bibitem{WrapITK}
G.~Lehmann, Z.~Pincus, and B.~Regrain.
\newblock {WrapITK}: Enhanced languages support for the {Insight Toolkit}.
\newblock {\em The Insight Journal}, June, 2006.

\bibitem{Mueller2007b}
D.~Mueller.
\newblock {ManagedITK: .NET} wrappers for {ITK}.
\newblock {\em The Insight Journal}, June, 2007.

\bibitem{RezkSalama2001a}
C.~Rezk-Salama.
\newblock {\em Volume rendering techniques for general purpose graphics
  hardware}.
\newblock {PhD} dissertation, University Erlangen-Nuremberg, 2001.

\bibitem{Rheingans2001a}
P.~Rheingans and D.~Ebert.
\newblock Volume illustration: nonphotorealistic rendering of volume models.
\newblock {\em IEEE Transactions on Visualization and Computer Graphics},
  7(3):253--264, 2001.

\bibitem{Weiler2000a}
M.~Weiler, R.~Westermann, C.~Hansen, K.~Zimmerman, and T.~Ertl.
\newblock Level-of-detail volume rendering via {3D} textures.
\newblock In {\em Volume Visualization and Graphics}, pages 147--152. IEEE,
  2000.

\bibitem{Yoo2002a}
T.~Yoo, M.~Ackerman, W.~Lorensen, W.~Schroeder, V.~Chalana, S.~Aylward,
  D.~Metaxes, and R.~Whitaker.
\newblock Engineering and algorithm design for an image processing {API}: {A}
  technical report on {ITK} - the {I}nsight {T}oolkit.
\newblock {\em Proc. of Medicine Meets Virtual Reality}, pages 586--592, 2002.

\end{thebibliography}