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Table 5 Validation measures before and after registration of the motion free series

From: Free breathing myocardial perfusion data sets for performance analysis of motion compensation algorithms

R 2

 

Mean

Variation

Median

Min

Max

Unregistered

1.00

0.00

1.00

1.00

1.00

QUASI-P

0.50

0.32

0.63

0.00

0.87

ICA-SP

0.94

0.09

0.99

0.66

1.00

NMSE

Unregistered

0.00

0.00

0.00

0.00

0.00

QUASI-P

2.21

1.94

1.37

0.20

6.85

ICA-SP

0.13

0.11

0.11

0.01

0.46

  1. While ICA-SP mostly preserves the data, the application of QUASI-P brings the original alignment to naught.