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. 2007 Jun 5;21(3):329–337. doi: 10.1007/s10278-007-9042-7

Table 3.

Times to Achieve Image Registration in Patients

Images Algorithm Mean (Sec) Standard Deviation (Sec)
CT-SPECT MI a 34.1 19.3
CT-MRI LCb 24.4 15.3
CT-MRI MI 69.2 34.6
Human observers 852 94

aMI: mutual information

bLC: local correlation