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\providecommand{\BIBdecl}{\relax}
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\bibitem{pahlavan2012rf}
K.~Pahlavan, G.~Bao, Y.~Ye, S.~Makarov, U.~Khan, P.~Swar, D.~Cave, A.~Karellas,
  P.~Krishnamurthy, and K.~Sayrafian, ``Rf localization for wireless video
  capsule endoscopy,'' \emph{International Journal of Wireless Information
  Networks}, vol.~19, no.~4, pp. 326--340, 2012.

\bibitem{iddan2000wireless}
G.~Iddan, G.~Meron, A.~Glukhovsky, and P.~Swain, ``Wireless capsule
  endoscopy,'' \emph{Nature}, vol. 405, p. 417, 2000.

\bibitem{faigel2008capsule}
D.~O. Faigel and D.~R. Cave, \emph{Capsule endoscopy}.\hskip 1em plus 0.5em
  minus 0.4em\relax Saunders Elsevier, 2008.

\bibitem{hu2005efficient}
C.~Hu, M.~Q.-H. Meng, and M.~Mandal, ``Efficient magnetic localization and
  orientation technique for capsule endoscopy,'' \emph{International Journal of
  Information Acquisition}, vol.~2, no.~01, pp. 23--36, 2005.

\bibitem{kuth2006method}
R.~Kuth, J.~Reinschke, and R.~Rockelein, ``Method for determining the position
  and orientation of an endoscopy capsule guided through an examination object
  by using a navigating magnetic field generated by means of a navigation
  device,'' Jul.~7 2006, uS Patent App. 11/481,935.

\bibitem{bao2013video}
G.~Bao, L.~Mi, and K.~Pahlavan, ``A video aided rf localization technique for
  the wireless capsule endoscope (wce) inside small intestine,'' in
  \emph{Proceedings of the 8th International Conference on Body Area
  Networks}.\hskip 1em plus 0.5em minus 0.4em\relax ICST (Institute for
  Computer Sciences, Social-Informatics and Telecommunications Engineering),
  2013, pp. 55--61.

\bibitem{lee2007automatic}
J.~Lee, J.~Oh, S.~K. Shah, X.~Yuan, and S.~J. Tang, ``Automatic classification
  of digestive organs in wireless capsule endoscopy videos,'' in
  \emph{Proceedings of the 2007 ACM symposium on Applied computing}.\hskip 1em
  plus 0.5em minus 0.4em\relax ACM, 2007, pp. 1041--1045.

\bibitem{bao2013motion}
G.~Bao and K.~Pahlavai, ``Motion estimation of the endoscopy capsule using
  region-based kernel svm classifier,'' in \emph{Electro/Information Technology
  (EIT), 2013 IEEE International Conference on}.\hskip 1em plus 0.5em minus
  0.4em\relax IEEE, 2013, pp. 1--5.

\bibitem{pourhomayoun2012novel}
M.~Pourhomayoun, M.~Fowler, and Z.~Jin, ``A novel method for medical implant
  in-body localization,'' in \emph{Engineering in Medicine and Biology Society
  (EMBC), 2012 Annual International Conference of the IEEE}.\hskip 1em plus
  0.5em minus 0.4em\relax IEEE, 2012, pp. 5757--5760.

\bibitem{thomas2006smartpill}
S.~Thomas, ``Smartpill redefines ‘noninvasive’,'' \emph{Buffalo physician},
  vol.~40, no.~3, pp. 13--14, 2006.

\bibitem{jacob2002localization}
H.~Jacob, D.~Levy, R.~Shreiber, A.~Glukhovsky, and D.~Fischer, ``Localization
  of the given m2a ingestible capsule in the given diagnostic imaging system,''
  in \emph{Gastrointestinal Endoscopy}, vol.~55, no.~5.\hskip 1em plus 0.5em
  minus 0.4em\relax MOSBY, INC 11830 WESTLINE INDUSTRIAL DR, ST LOUIS, MO
  63146-3318 USA, 2002, pp. AB135--AB135.

\bibitem{he2013testbed}
J.~He, K.~Pahlavan, S.~Li, and Q.~Wang, ``A testbed for evaluation of the
  effects of multipath on performance of toa-based indoor geolocation,'' 2013.

\bibitem{kawasaki2009toa}
M.~Kawasaki and R.~Kohno, ``A toa based positioning technique of medical
  implanted devices,'' in \emph{Third International Symposium on Medical
  Information \& Communication Technology, ISMCIT09, Montreal}, 2009.

\bibitem{frisch2005array}
M.~Frisch, A.~Glukhovsky, and D.~Levy, ``Array system and method for locating
  an in vivo signal source,'' Jun.~7 2005, uS Patent 6,904,308.

\bibitem{patwari2003relative}
N.~Patwari, A.~O. Hero, M.~Perkins, N.~S. Correal, and R.~J. O'dea, ``Relative
  location estimation in wireless sensor networks,'' \emph{Signal Processing,
  IEEE Transactions on}, vol.~51, no.~8, pp. 2137--2148, 2003.

\bibitem{patwari2005locating}
N.~Patwari, J.~N. Ash, S.~Kyperountas, A.~O. Hero, R.~L. Moses, and N.~S.
  Correal, ``Locating the nodes: cooperative localization in wireless sensor
  networks,'' \emph{Signal Processing Magazine, IEEE}, vol.~22, no.~4, pp.
  54--69, 2005.

\bibitem{ye2012accuracy}
Y.~Ye, P.~Swar, K.~Pahlavan, and K.~Ghaboosi, ``Accuracy of rss-based rf
  localization in multi-capsule endoscopy,'' \emph{International Journal of
  Wireless Information Networks}, vol.~19, no.~3, pp. 229--238, 2012.

\bibitem{alsindi2008cooperative}
N.~Alsindi and K.~Pahlavan, ``Cooperative localization bounds for indoor
  ultra-wideband wireless sensor networks,'' \emph{EURASIP Journal on Advances
  in Signal Processing}, vol. 2008, p. 125, 2008.

\bibitem{ye2011accuracy}
Y.~Ye, U.~Khan, N.~Alsindi, R.~Fu, and K.~Pahlavan, ``On the accuracy of rf
  positioning in multi-capsule endoscopy,'' in \emph{Personal Indoor and Mobile
  Radio Communications (PIMRC), 2011 IEEE 22nd International Symposium
  on}.\hskip 1em plus 0.5em minus 0.4em\relax IEEE, 2011, pp. 2173--2177.

\bibitem{alsindi2007empirical}
N.~Alsindi, B.~Alavi, and K.~Pahlavan, ``Empirical pathloss model for indoor
  geolocation using uwb measurements,'' \emph{Electronics Letters}, vol.~43,
  no.~7, pp. 370--372, 2007.

\bibitem{ansoft20093}
H.~Ansoft, ``3-d electromagnetic simulation software,'' \emph{Ansoft corp.,
  Pittsburgh, PA}, 2009.

\bibitem{sharf2007fly}
A.~Sharf, T.~Lewiner, A.~Shamir, and L.~Kobbelt, ``On-the-fly curve-skeleton
  computation for 3d shapes,'' in \emph{Computer Graphics Forum}, vol.~26,
  no.~3.\hskip 1em plus 0.5em minus 0.4em\relax Wiley Online Library, 2007, pp.
  323--328.

\bibitem{bao2012modeling}
G.~Bao, Y.~Ye, U.~Khan, X.~Zheng, and K.~Pahlavan, ``Modeling of the movement
  of the endoscopy capsule inside gi tract based on the captured endoscopic
  images,'' in \emph{Proceedings of the IEEE International Conference on
  Modeling, Simulation and Visualization Methods, MSV}, vol.~12, 2012.

\bibitem{sayrafian2010channel}
K.~Sayrafian-Pour, W.-B. Yang, J.~Hagedorn, J.~Terrill, K.~Y. Yazdandoost, and
  K.~Hamaguchi, ``Channel models for medical implant communication,''
  \emph{International Journal of Wireless Information Networks}, vol.~17, no.
  3-4, pp. 105--112, 2010.

\bibitem{sayrafian2009statistical}
K.~Sayrafian-Pour, W.-B. Yang, J.~Hagedorn, J.~Terrill, and K.~Y. Yazdandoost,
  ``A statistical path loss model for medical implant communication channels,''
  in \emph{Personal, Indoor and Mobile Radio Communications, 2009 IEEE 20th
  International Symposium on}.\hskip 1em plus 0.5em minus 0.4em\relax IEEE,
  2009, pp. 2995--2999.

\bibitem{heidari2009udp}
M.~Heidari, N.~A. Alsindi, and K.~Pahlavan, ``Udp identification and error
  mitigation in toa-based indoor localization systems using neural network
  architecture,'' \emph{Wireless Communications, IEEE Transactions on}, vol.~8,
  no.~7, pp. 3597--3607, 2009.

\bibitem{alsindi2007analysis}
N.~Alsindi, X.~Li, and K.~Pahlavan, ``Analysis of time of arrival estimation
  using wideband measurements of indoor radio propagations,''
  \emph{Instrumentation and Measurement, IEEE Transactions on}, vol.~56, no.~5,
  pp. 1537--1545, 2007.

\bibitem{shen2010fundamental}
Y.~Shen and M.~Z. Win, ``Fundamental limits of wideband localization—part i: a
  general framework,'' \emph{Information Theory, IEEE Transactions on},
  vol.~56, no.~10, pp. 4956--4980, 2010.

\bibitem{pahlavan2005wireless}
K.~Pahlavan and A.~H. Levesque, \emph{Wireless information networks}.\hskip 1em
  plus 0.5em minus 0.4em\relax John Wiley \& Sons, 2005, vol.~93.

\bibitem{van2004detection}
H.~L. Van~Trees, \emph{Detection, estimation, and modulation theory}.\hskip 1em
  plus 0.5em minus 0.4em\relax John Wiley \& Sons, 2004.

\bibitem{patwari2006signal}
N.~Patwari and A.~Hero, ``Signal strength localization bounds in ad hoc and
  sensor networks when transmit powers are random,'' in \emph{Sensor Array and
  Multichannel Processing, 2006. Fourth IEEE Workshop on}.\hskip 1em plus 0.5em
  minus 0.4em\relax IEEE, 2006, pp. 299--303.

\bibitem{swar2012effect}
P.~Swar, Y.~Ye, K.~Ghaboosi, and K.~Pahlavan, ``On effect of transmit power
  variance on localization accuracy in wireless capsule endoscopy,'' in
  \emph{Wireless Communications and Networking Conference (WCNC), 2012
  IEEE}.\hskip 1em plus 0.5em minus 0.4em\relax IEEE, 2012, pp. 2119--2123.

\end{thebibliography}
