Table 5.
List of all 105 features by category, name and label extracted using PyRadiomics. More details about each feature definition can be found in PyRadiomics documentary (https://pyradiomics.readthedocs.io/en/latest/features.html)
| Label | Shape | Label | Gray-level run length matrix | Label | Neighborhood gray tone difference matrix | Label | First-order statistics | Label | Gray-level size zone | Label | Gray-level co-occurrence matrix | Label | Gray-level dependence matrix |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | VoxelVolume | 13 | RunLengthNonUniformityNormalized | 29 | Contrast | 34 | Maximum | 52 | SizeZoneNonUniformity | 68 | Contrast | 92 | SmallDependenceEmphasis |
| 2 | Maximum2DDiameterRow | 14 | HighGrayLevelRunEmphasis | 30 | Strength | 35 | Energy | 53 | ZonePercentage | 69 | MaximumProbability | 93 | DependenceEntropy |
| 3 | Maximum3DDiameter | 15 | GrayLevelVariance | 31 | Coarseness | 36 | Median | 54 | GrayLevelVariance | 70 | ClusterShade | 94 | GrayLevelVariance |
| 4 | SurfaceVolumeRatio | 16 | RunPercentage | 32 | Complexity | 37 | Minimum | 55 | LargeAreaLowGrayLevelEmphasis | 71 | DifferenceVariance | 95 | LowGrayLevelEmphasis |
| 5 | Sphericity | 17 | RunVariance | 33 | Busyness | 38 | MeanAbsoluteDeviation | 56 | LowGrayLevelZoneEmphasis | 72 | JointEntropy | 96 | DependenceNonUniformity |
| 6 | MinorAxisLength | 18 | ShortRunLowGrayLevelEmphasis | 39 | InterquartileRange | 57 | HighGrayLevelZoneEmphasis | 73 | SumSquares | 97 | SmallDependenceHighGrayLevelEmphasis | ||
| 7 | SurfaceArea | 19 | ShortRunHighGrayLevelEmphasis | 40 | Kurtosis | 58 | ZoneVariance | 74 | ClusterProminence | 98 | SmallDependenceLowGrayLevelEmphasis | ||
| 8 | Maximum2DDiameterColumn | 20 | RunEntropy | 41 | 90Percentile | 59 | SizeZoneNonUniformityNormalized | 75 | MCC | 99 | LargeDependenceEmphasis | ||
| 9 | MajorAxisLength | 21 | LongRunHighGrayLevelEmphasis | 42 | Entropy | 60 | SmallAreaEmphasis | 76 | SumEntropy | 100 | HighGrayLevelEmphasis | ||
| 10 | MeshVolume | 22 | RunLengthNonUniformity | 43 | RootMeanSquared | 61 | SmallAreaHighGrayLevelEmphasis | 77 | Id | 101 | DependenceVariance | ||
| 11 | Maximum2DDiameterSlice | 23 | LongRunLowGrayLevelEmphasis | 44 | Uniformity | 62 | LargeAreaHighGrayLevelEmphasis | 78 | InverseVariance | 102 | LargeDependenceLowGrayLevelEmphasis | ||
| 12 | Elongation | 24 | LowGrayLevelRunEmphasis | 45 | Mean | 63 | ZoneEntropy | 79 | Imc1 | 103 | LargeDependenceHighGrayLevelEmphasis | ||
| 25 | GrayLevelNonUniformityNormalized | 46 | Variance | 64 | GrayLevelNonUniformityNormalized | 80 | JointEnergy | 104 | GrayLevelNonUniformity | ||||
| 26 | GrayLevelNonUniformity | 47 | RobustMeanAbsoluteDeviation | 65 | GrayLevelNonUniformity | 81 | Idn | 105 | DependenceNonUniformityNormalized | ||||
| 27 | LongRunEmphasis | 48 | 10Percentile | 66 | LargeAreaEmphasis | 82 | DifferenceEntropy | ||||||
| 28 | ShortRunEmphasis | 49 | TotalEnergy | 67 | SmallAreaLowGrayLevelEmphasis | 83 | ClusterTendency | ||||||
| 50 | Range | 84 | Imc2 | ||||||||||
| 51 | Skewness | 85 | Idmn | ||||||||||
| 86 | JointAverage | ||||||||||||
| 87 | Correlation | ||||||||||||
| 88 | SumAverage | ||||||||||||
| 89 | Autocorrelation | ||||||||||||
| 90 | DifferenceAverage | ||||||||||||
| 91 | Idm |