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Table 1 The APD (∗10−2 mm) results of 33 subjects using three methods

From: Surface structure feature matching algorithm for cardiac motion estimation

Cases

SSD_QN

GMM

CPD

1

1.65

1.55

5.35

2

2.53

2.36

1.07

3

2.22

1.94

6.85

4

2.31

2.17

2.58

5

2.08

1.89

1.71

6

2.05

1.96

1.35

7

1.91

1.88

1.14

8

2.05

1.89

9.74

9

2.72

2.63

6.96

10

1.88

1.67

2.07

11

1.75

1.69

8.03

12

1.98

1.84

1.55

13

2.85

2.61

5.57

14

2.45

2.26

1.32

15

2.16

2.01

4.86

16

2.42

2.29

4.23

17

1.50

1.32

1.98

18

2.39

2.21

2.22

19

2.68

2.46

1.97

20

1.47

1.36

1.93

21

1.64

1.46

6.72

22

1.94

1.84

9.37

23

1.79

1.59

2.14

24

2.34

2.17

6.23

25

1.92

1.74

9.37

26

1.59

1.44

6.72

27

2.86

2.73

5.13

28

1.54

1.35

1.22

29

2.83

2.71

9.71

30

2.70

2.52

4.60

31

1.95

1.79

5.12

32

1.84

1.57

4.71

33

2.78

2.66

6.33

Mean

2.14

1.99

4.54

  1. (The bold one is the optimal result)