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Table 2 The APD (∗10−2 mm) results of 33 subjects using three methods with different number of control points

From: Surface structure feature matching algorithm for cardiac motion estimation

Subject

 

202 control point

302 control point

402 control point

 

Method

GMM

SSD_QN

CPD

GMM

SSD_QN

CPD

GMM

SSD_QN

CPD

1

 

1.83

1.66

8.15

1.86

1.44

0.46

-

-

5.47

2

 

2.85

2.75

3.06

2.74

2.51

0.97

-

-

6.39

3

 

1.35

1.23

4.27

1.62

1.44

8.23

-

-

9.49

4

 

1.48

1.29

5.13

1.40

1.21

6.95

-

-

2.58

5

 

2.29

2.00

6.32

1.90

1.71

3.17

-

-

8.41

6

 

1.43

1.09

1.98

1.33

1.09

9.50

-

-

7.54

7

 

1.57

1.24

2.78

1.96

1.68

0.34

-

-

8.14

8

 

2.09

1.69

5.47

2.44

2.04

4.39

-

-

2.44

9

 

1.52

1.21

0.58

2.79

2.15

3.82

-

-

9.29

10

 

1.66

1.46

9.65

1.74

1.09

7.66

-

-

3.50

11

 

1.69

1.53

1.58

2.24

1.86

7.95

-

-

1.97

12

 

2.31

2.07

1.71

1.50

1.29

1.87

-

-

9.51

13

 

2.67

2.43

9.57

1.88

1.55

4.90

-

-

6.16

14

 

1.48

1.26

4.85

2.38

1.67

4.46

-

-

4.73

15

 

1.49

1.36

2.25

2.68

2.21

6.46

-

-

3.52

16

 

2.21

1.97

1.42

1.76

1.37

7.09

-

-

8.31

17

 

2.81

2.54

4.22

1.56

1.18

7.55

-

-

5.85

18

 

2.47

2.03

9.16

1.93

1.24

2.76

-

-

5.50

19

 

1.31

1.04

7.92

2.42

2.01

6.80

-

-

9.17

20

 

1.71

1.54

9.59

1.29

0.67

6.55

-

-

2.86

21

 

2.72

2.47

6.56

2.41

2.10

1.63

-

-

7.57

22

 

2.29

2.06

0.36

1.51

1.29

1.19

-

-

7.54

23

 

1.75

1.41

8.49

2.03

1.76

4.98

-

-

3.80

24

 

2.26

2.15

9.34

2.01

1.78

9.60

-

-

5.68

25

 

1.45

1.29

6.79

2.25

1.89

3.40

-

-

0.76

26

 

2.35

2.01

7.58

1.52

1.22

5.85

-

-

0.54

27

 

1.64

1.48

7.43

2.25

1.77

2.24

-

-

5.31

28

 

2.61

2.39

3.92

1.32

0.98

7.51

-

-

7.79

29

 

1.64

1.42

6.55

2.42

2.04

2.55

-

-

9.34

30

 

1.46

1.19

1.71

2.67

2.17

5.06

-

-

1.30

31

 

1.45

1.23

1.06

1.43

1.05

6.99

-

-

5.69

32

 

2.26

2.05

1.32

1.89

1.56

8.91

-

-

4.69

33

 

1.68

1.36

2.77

1.63

1.27

9.59

-

-

0.12

Mean

 

1.93

1.69

4.96

1.96

1.58

5.79

-

-

5.46

  1. (The bold one is the optimal result, and ‘-’ denotes divergence)