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. Author manuscript; available in PMC: 2013 Jun 13.
Published in final edited form as: Med Image Comput Comput Assist Interv. 2005;8(0 1):506–514. doi: 10.1007/11566465_63

Table 5.

Formulas for Joint Statistic s

Scheme Formula for s

A and B min(sAkA, sBkB)
A sAkA
B sBkB
A or B max(sAkA, sBkB)