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Table 3 NMSE before and after registration (smaller is better)

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

All studies

 

Mean

Variation

Median

Min

Max

Unregistered

0.66

0.56

0.51

0.04

4.21

QUASI-P

0.81

1.82

0.41

0.04

16.76

QUASI-P

0.61

0.68

0.40

0.04

6.81

ICA-SP

0.52

0.53

0.35

0.04

4.40

Rest studies

Unregistered

0.67

0.59

0.52

0.04

4.21

QUASI-P

0.60

0.63

0.40

0.04

4.57

ICA-SP

0.48

0.51

0.33

0.04

4.35

Stress studies

Unregistered

0.66

0.54

0.49

0.06

3.86

QUASI-P

1.02

2.47

0.42

0.05

16.76

QUASI-P

0.62

0.71

0.40

0.05

6.81

ICA-SP

0.56

0.55

0.38

0.05

4.40

  1. Both algorithms result in a significant improvement of the measures, and as with R 2 ICA-SP providing the better motion compensation according to the obtained measurements.