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Table 1 Significant features on BCDR database

From: A machine learning approach on multiscale texture analysis for breast microcalcification diagnosis

Normal/Abnormal

Benign/Malignant

Embedded M.

freq (%)

Filter M.

freq (%)

Embedded M.

freq (%)

Filter M.

freq (%)

(k ≤2)

 

(k ≤6)

 

(k ≤10)

 

(k ≤26)

 

# Interest Points

100

# Interest Points

100

Variance _LL2

100

Variance _LL1

100

# Interest Corners

100

Kurtosis _HL2

99.80

# Interest Corners

100

Skewness _LL1

100

  

# Interest Corners

99.10

Variance _LL1

99.90

Entropy _LL1

100

  

Kurtosis _HL1

97.80

RelSmoothness _LL2

99.90

RelSmoothness _LL1

100

  

Kurtosis _LH1

76.40

RelSmoothness _LL1

99.60

Entropy _HL1

100

  

Kurtosis _LH2

61.90

# Interest Points

91.30

Entropy _HH1

100

  

Variance _LH2

24.80

Variance _HH1

77.70

Kurtosis _HH1

100

  

RelSmoothness _LH2

21.90

RelSmoothness _HH1

77.40

Variance _LL2

100

    

Entropy _HH1

58.90

Skewness _LL2

100

    

Entropy _HL1

44.80

Entropy _LL2

100

    

Mean _HH1

41.20

RelSmoothness _LL2

100

      

Kurtosis _LH2

100

      

Kurtosis _HL2

100

      

Kurtosis _HH2

100

      

# Interest Points

100

      

# Interest Corners

100

      

Entropy _LH1

99.20

      

Entropy _LH2

98.60

      

Entropy _HH2

97.80

      

Kurtosis _HL1

97.10

      

RelSmoothness _HH1

96.10

      

Variance _HH1

88.80

      

Skewness _HL2

76.30

      

Mean _LL1

59.00

  1. The features whose occurrence in the first k positions of the rankings defined by the filter and embedded methods is significantly different from the case (p-value null model test ≤0.05) are reported. k is the number of features that maximizes the accuracy of normal vs abnormal and benign vs malignant classification problems