Table 3.
Variations of radiomics features over different MRI scanning settings for T2-weighted images without normalization and smoothing.
| Feature category | COV < 10% | 10% ≤ COV < 30% | COV ≥ 30% |
|---|---|---|---|
| Gradient orient histogram | InterQuartileRange | ||
| Kurtosis | |||
| MeanAbsoluteDeviation | |||
| MedianAbsoluteDeviation | |||
| 20Percentile | |||
| 50PercentileArea | |||
| 90PercentileArea | |||
| Gray level cooccurence | DifferenceEntropy | Correlation | AutoCorrelation |
| Homogeneity | Dissimilarity | ClusterProminence | |
| Homogeneity2 | Energy | ClusterShade | |
| InformationMeasureCorr2 | Entropy | ClusterTendendcy | |
| SumEntropy | InformationMeasureCorr1 | Contrast | |
| InverseVariance | MaxProbability | SumVariance | |
| InverseDiffMomentNorm | SumAverage | Variance | |
| InverseDiffNorm | |||
| Gray level run length | GrayLevelNonuniformity | LongRunEmphasis | HighGrayLevelRunEmpha |
| RunPercentage | LongRunLowGrayLevelEmpha | LongRunHighGrayLevelEmpha | |
| ShortRunEmphasis | LowGrayLevelRunEmpha | ShortRunHighGrayLevelEmpha | |
| RunLengthNonuniformity | |||
| ShortRunLowGrayLevelEmpha | |||
| Intensity | GlobalUniformity | GlobalEntropy | Energy |
| LocalEntropyMax | GlobalStd | EnergyNorm | |
| LocalEntropyMean | InterQuartileRange | GlobalMean | |
| LocalEntropyStd | LocalEntropyMedian | GlobalMedian | |
| LocalStdMax | LocalRangeMean | LocalEntropyMin | |
| LocalRangeMedian | 20Percentile | ||
| LocalRangeMin | 50Percentile | ||
| LocalRangeStd | 90Percentile | ||
| LocalStdMean | RootMeanSquare | ||
| LocalStdMedian | Variance | ||
| LocalStdMin | |||
| LocalStdStd | |||
| MeanAbsoluteDeviation | |||
| MedianAbsoluteDeviation | |||
| Kurtosis | |||
| Skewness | |||
| Neighborhood gray-tone difference (NGTD) (5) | Busyness | Complexity | |
| Coarseness | TextureStrength | ||
| Contrast | |||
| Average COV | 4.49% | 17.15% | 51.41% |