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Table 2 Average of intraclass correlation coefficient value over 10 noise realizations in reference to variation in signal to noise ratio, region of interest dilation/erosion and small variation in voxel size

From: Robustness of radiomic features in magnetic resonance imaging: review and a phantom study

 

Normalization

Mean ± 3SD

Zero to maximum

  

SNR

ROI erosion

ROI dilation

Voxel size

SNR

ROI erosion

ROI dilation

Voxel size

First order (n = 13)

Energy

1.00

0.99

1.00

0.87

1.00

0.99

1.00

0.87

Kurtosis

0.95

0.97

0.78

0.88

0.95

0.97

0.78

0.88

Maximum

1.00

0.99

1.00

0.99

1.00

0.99

1.00

0.99

Mean deviation

0.99

0.99

0.98

0.99

0.99

0.99

0.98

0.99

Mean

1.00

1.00

1.00

1.00

1.00

1.00

1.00

1.00

Median

1.00

1.00

1.00

1.00

1.00

1.00

1.00

1.00

Minimum

1.00

1.00

0.78

1.00

1.00

1.00

0.78

1.00

Range

0.99

0.99

0.81

0.97

0.99

0.99

0.81

0.97

Root mean square

1.00

1.00

1.00

1.00

1.00

1.00

1.00

1.00

Skewness

0.93

0.81

0.63

0.76

0.93

0.81

0.63

0.76

Variance

1.00

0.99

0.95

0.98

1.00

0.99

0.95

0.98

Entropy

0.65

0.77

0.47

0.43

0.65

0.77

0.47

0.43

Uniformity

0.76

0.86

0.87

0.84

0.76

0.86

0.87

0.84

Shape (n = 10)

Mesh surface

N/A

1.00

1.00

1.00

N/A

1.00

1.00

1.00

Pixel surface

N/A

1.00

1.00

1.00

N/A

1.00

1.00

1.00

Perimeter

N/A

0.99

1.00

1.00

N/A

0.99

1.00

1.00

Perimeter to surface ratio

N/A

0.96

0.97

0.99

N/A

0.96

0.97

0.99

Sphericity

N/A

0.99

0.99

0.99

N/A

0.99

0.99

0.99

Spherical disproportion

N/A

0.99

0.99

0.99

N/A

0.99

0.99

0.99

Maximum 2D diameter

N/A

1.00

1.00

1.00

N/A

1.00

1.00

1.00

Major axis length

N/A

0.99

0.99

1.00

N/A

0.99

0.99

1.00

Minor axis length

N/A

0.99

0.99

1.00

N/A

0.99

0.99

1.00

Elongation

N/A

1.00

1.00

1.00

N/A

1.00

1.00

1.00

GLCM (n = 22)

Autocorrelation

0.97

0.99

0.43

0.90

0.99

0.98

0.99

0.98

Cluster prominence

0.79

0.92

0.95

0.89

1.00

1.00

1.00

0.99

Cluster shade

0.96

0.68

0.95

0.84

0.94

0.69

0.90

0.75

Cluster tendency

0.81

0.98

0.79

0.89

1.00

0.99

0.99

0.99

Contrast

0.61

0.93

0.93

0.90

0.68

1.00

0.95

0.94

Correlation

0.62

0.94

0.93

0.90

0.63

0.93

0.93

0.90

Difference entropy

0.67

0.98

0.98

0.96

0.77

1.00

0.95

0.98

Dissimilarity

0.62

0.95

0.98

0.93

0.70

1.00

0.96

0.96

Energy

0.34

0.96

0.99

0.92

0.72

0.99

0.97

0.99

Joint entropy

0.45

0.97

0.96

0.91

0.87

0.99

0.97

0.99

Inverse difference

0.58

0.98

1.00

0.94

0.69

1.00

0.98

0.97

Homogeneity

0.58

0.98

1.00

0.94

0.69

1.00

0.98

0.97

Informational measure of correlation 1

0.53

0.99

0.97

0.97

0.65

0.99

0.98

0.98

Informational measure of correlation 2

0.51

0.98

0.95

0.96

0.66

0.95

0.97

0.94

Inverse difference moment normalized

0.61

0.93

0.94

0.90

0.68

1.00

0.95

0.94

Inverse difference normalized

0.62

0.96

0.98

0.93

0.70

1.00

0.96

0.96

Inverse variance

0.57

0.98

1.00

0.94

0.71

1.00

0.98

0.97

Joint maximum

0.07

0.65

0.62

0.06

0.66

0.96

0.93

0.87

Sum average

0.98

0.95

0.12

0.88

0.99

0.99

0.99

0.99

Sum entropy

0.89

0.98

0.89

0.77

0.99

0.98

0.99

0.98

Sum variance

0.99

0.97

0.26

0.90

0.99

0.98

0.99

0.98

Joint variance

0.92

0.93

0.27

0.83

0.98

0.99

0.99

0.99

GLRLM (n = 11)

Gray level non-uniformity

0.69

0.69

0.96

0.70

0.96

0.96

0.98

0.98

High gray level run emphasis

0.51

0.74

0.59

0.43

0.99

0.98

0.98

0.98

Long run emphasis

0.51

0.98

0.99

0.91

0.54

1.00

0.99

0.95

Long run high gray level emphasis

0.55

0.99

0.99

0.92

0.83

0.99

0.98

0.98

Long run low gray level emphasis

0.54

0.52

0.24

0.50

0.72

0.99

0.99

0.89

Low gray level run emphasis

0.58

0.53

0.14

0.52

0.73

0.99

0.99

0.91

Run length non-uniformity

0.55

0.98

0.99

0.91

0.65

0.99

0.99

0.96

Run percentage

0.54

0.98

0.99

0.91

0.62

1.00

0.99

0.96

Short run emphasis

0.54

0.98

0.99

0.91

0.62

1.00

0.99

0.96

Short run high gray level emphasis

0.65

0.99

0.98

0.92

0.99

0.98

0.98

0.97

Short run low gray level emphasis

0.58

0.54

0.13

0.52

0.72

1.00

0.99

0.90

  1. It is noted that two normalization methods were performed: mean ± 3SD and zero to maximum. Highly robust features (ICC > 0.9) are highlighted by bold text. GLCM Gray level cooccurrence matrix, GLRLM Gray level run length matrix, ICC Intraclass correlation coefficient, SNR Signal to noise ratio, ROI Region of interest, N/A Not applicable