Table VI.

Cross-dataset segmentation evaluation for LV myocardium segmentation (mean values reported).

End diastole (ED)

End systole (ES)

SN

DMR SN

USN

DMR USN

UNet

DMR UNet

SN

DMR SN

USN

DMR USN

UNet

DMR UNet

(a) Trained on ACDC and tested on LVSC (194 volumes)

Dice(%)

70.4

73.3**

68.3

76.6**

72.3

76.7**

68.0

71.9**

65.5

74.9**

69.7

76.4**

Jaccard(%)

55.6

58.9**

53.6

62.9**

58.0

63.1**

53.3

58.1**

50.8

61.5**

55.5

63.1**

MSD(mm)

2.68

2.07**

3.33

1.80**

2.46

1.80**

3.56

2.93**

4.19

2.58**

3.49

2.35**

HD(mm)

25.01

22.44**

26.93

20.33**

24.61

20.16**

25.96

22.62**

27.37

21.67**

25.68

20.98**

End diastole (ED)

End systole (ES)

SN

DMR SN

USN

DMR USN

UNet

DMR UNet

SN

DMR SN

USN

DMR USN

UNet

DMR UNet

(b) Trained on LVSC and tested on ACDC (200 volumes)

Dice(%)

69.5

78.4**

62.5

80.1**

62.1

80.2**

57.7

77.6**

51.9

79.3**

50.3

79.1**

Jaccard(%)

56.5

66.3**

49.3

68.2**

49.3

68.5**

45.4

65.3**

40.1

67.3**

38.8

67.1**

MSD(mm)

4.92

1.77**

6.75

1.30**

6.29

1.59**

9.59

2.53**

13.27

2.35**

10.97

2.52**

HD(mm)

26.04

17.06**

29.08

13.93**

29.50

14.16**

35.13

19.25**

39.60

18.77**

37.44

19.58**

The statistical significance of the results for DM regularized model compared against the baseline model are represented by * and ** for P-values < 0.01 and 0.001, respectively. SN: SegNet, USN: USegNet, UNet: UNet.

Best performing model for the ED and ES phases are shown in bold case.