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. Author manuscript; available in PMC: 2008 May 27.
Published in final edited form as: IEEE Trans Med Imaging. 1994;13(1):152–160. doi: 10.1109/42.276154

Fig. 2.

Fig. 2.

The tag position estimation process. The profile of the image along the normal line is obtained and tag center is estimated using least-squares fitting of the samples along the profile of the template.