| Code | Display |
| HCUG | Morphological features |
| RNU0 | Volume |
| YEKZ | Approximate volume |
| C0JK | Surface area |
| 2PR5 | Surface to volume ratio |
| SKGS | Compactness 1 |
| BQWJ | Compactness 2 |
| KRCK | Spherical disproportion |
| QCFX | Sphericity |
| 25C7 | Asphericity |
| KLMA | Centre of mass shift |
| L0JK | Maximum 3D diameter |
| TDIC | Major axis length |
| P9VJ | Minor axis length |
| 7J51 | Least axis length |
| Q3CK | Elongation |
| N17B | Flatness |
| PBX1 | Volume density - axis-aligned bounding box |
| R59B | Area density - axis-aligned bounding box |
| ZH1A | Volume density - oriented minimum bounding box |
| IQYR | Area density - oriented minimum bounding box |
| 6BDE | Volume density - approximate enclosing ellipsoid |
| RDD2 | Area density - approximate enclosing ellipsoid |
| SWZ1 | Volume density - minimum volume enclosing ellipsoid |
| BRI8 | Area density - minimum volume enclosing ellipsoid |
| R3ER | Volume density - convex hull |
| 7T7F | Area density - convex hull |
| 99N0 | Integrated intensity |
| N365 | Moran's I index |
| NPT7 | Geary's C measure |
| 9ST6 | Local intensity features |
| VJGA | Local intensity peak |
| 0F91 | Global intensity peak |
| UHIW | Intensity-based statistical features |
| Q4LE | Mean |
| ECT3 | Variance |
| KE2A | Skewness |
| IPH6 | Kurtosis |
| Y12H | Median |
| 1GSF | Minimum grey level |
| QG58 | 10th percentile |
| 8DWT | 90th percentile |
| 84IY | Maximum grey level |
| SALO | Interquartile range |
| 2OJQ | Range |
| 4FUA | Mean absolute deviation |
| 1128 | Robust mean absolute deviation |
| N72L | Median absolute deviation |
| 7TET | Coefficient of variation |
| 9S40 | Quartile coefficient of dispersion |
| N8CA | Energy |
| 5ZWQ | Root mean square |
| ZVCW | Intensity histogram features |
| X6K6 | Intensity histogram mean |
| CH89 | Intensity histogram variance |
| 88K1 | Intensity histogram skewness |
| C3I7 | Intensity histogram kurtosis |
| WIFQ | Intensity histogram median |
| 1PR8 | Intensity histogram minimum grey level |
| GPMT | Intensity histogram 10th percentile |
| OZ0C | Intensity histogram 90th percentile |
| 3NCY | Intensity histogram maximum grey level |
| AMMC | Intensity histogram mode |
| WR0O | Intensity histogram interquartile range |
| 5Z3W | Intensity histogram range |
| D2ZX | Intensity histogram mean absolute deviation |
| WRZB | Intensity histogram robust mean absolute deviation |
| 4RNL | Intensity histogram median absolute deviation |
| CWYJ | Intensity histogram coefficient of variation |
| SLWD | Intensity histogram quartile coefficient of dispersion |
| TLU2 | Intensity histogram entropy |
| BJ5W | Intensity histogram uniformity |
| 12CE | Maximum histogram gradient |
| 8E6O | Maximum histogram gradient grey level |
| VQB3 | Minimum histogram gradient |
| RHQZ | Minimum histogram gradient grey level |
| P88C | Intensity-volume histogram features |
| BC2M | Volume at intensity fraction |
| GBPN | Intensity at volume fraction |
| DDTU | Volume fraction difference between intensity fractions |
| CNV2 | Intensity fraction difference between volume fractions |
| 9CMM | Area under IVH curve |
| LFYI | Grey level co-occurrence based features |
| GYBY | Joint maximum |
| 60VM | Joint average |
| UR99 | Joint variance |
| TU9B | Joint entropy |
| TF7R | Difference average |
| D3YU | Difference variance |
| NTRS | Difference entropy |
| ZGXS | Sum average |
| OEEB | Sum variance |
| P6QZ | Sum entropy |
| 8ZQL | Angular second moment |
| ACUI | Contrast |
| 8S9J | Dissimilarity |
| IB1Z | Inverse difference |
| NDRX | Normalised inverse difference |
| WF0Z | Inverse difference moment |
| 1QCO | Normalised inverse difference moment |
| E8JP | Inverse variance |
| NI2N | Correlation |
| QWB0 | Autocorrelation |
| DG8W | Cluster tendency |
| 7NFM | Cluster shade |
| AE86 | Cluster prominence |
| R8DG | First measure of information correlation |
| JN9H | Second measure of information correlation |
| TP0I | Grey level run length based features |
| 22OV | Short runs emphasis |
| W4KF | Long runs emphasis |
| V3SW | Low grey level run emphasis |
| G3QZ | High grey level run emphasis |
| HTZT | Short run low grey level emphasis |
| GD3A | Short run high grey level emphasis |
| IVPO | Long run low grey level emphasis |
| 3KUM | Long run high grey level emphasis |
| R5YN | Grey level non-uniformity |
| OVBL | Normalised grey level non-uniformity |
| W92Y | Run length non-uniformity |
| IC23 | Normalised run length non-uniformity |
| 9ZK5 | Run percentage |
| 8CE5 | Grey level variance |
| SXLW | Run length variance |
| HJ9O | Run entropy |
| 9SAK | Grey level size zone based features |
| 5QRC | Small zone emphasis |
| 48P8 | Large zone emphasis |
| XMSY | Low grey level zone emphasis |
| 5GN9 | High grey level zone emphasis |
| 5RAI | Small zone low grey level emphasis |
| HW1V | Small zone high grey level emphasis |
| YH51 | Large zone low grey level emphasis |
| J17V | Large zone high grey level emphasis |
| JNSA | Grey level non-uniformity |
| Y1RO | Normalised grey level non-uniformity |
| 4JP3 | Zone size non-uniformity |
| VB3A | Normalised zone size non-uniformity |
| P30P | Zone percentage |
| BYLV | Grey level variance |
| 3NSA | Zone size variance |
| GU8N | Zone size entropy |
| VMDZ | Grey level distance zone based features |
| 0GBI | Small distance emphasis |
| MB4I | Large distance emphasis |
| S1RA | Low grey level zone emphasis |
| K26C | High grey level zone emphasis |
| RUVG | Small distance low grey level emphasis |
| DKNJ | Small distance high grey level emphasis |
| A7WM | Large distance low grey level emphasis |
| KLTH | Large distance high grey level emphasis |
| VFT7 | Grey level non-uniformity |
| 7HP3 | Normalised grey level non-uniformity |
| V294 | Zone distance non-uniformity |
| IATH | Zone distance non-uniformity normalised |
| VIWW | Zone percentage |
| QK93 | Grey level variance |
| 7WT1 | Zone distance variance |
| GBDU | Zone distance entropy |
| IPET | Neighbourhood grey tone difference based features |
| QCDE | Coarseness |
| 65HE | Contrast |
| NQ30 | Busyness |
| HDEZ | Complexity |
| 1X9X | Strength |
| REK0 | Neighbouring grey level dependence based features |
| SODN | Low dependence emphasis |
| IMOQ | High dependence emphasis |
| TL9H | Low grey level count emphasis |
| OAE7 | High grey level count emphasis |
| EQ3F | Low dependence low grey level emphasis |
| JA6D | Low dependence high grey level emphasis |
| NBZI | High dependence low grey level emphasis |
| 9QMG | High dependence high grey level emphasis |
| FP8K | Grey level non-uniformity |
| 5SPA | Normalised grey level non-uniformity |
| Z87G | Dependence count non-uniformity |
| OKJI | Dependence count non-uniformity normalised |
| 6XV8 | Dependence count percentage |
| 1PFV | Grey level variance |
| DNX2 | Dependence count variance |
| FCBV | Dependence count entropy |
| CAS9 | Dependence count energy |
| 5QB6 | feature aggregation |
| 3IDG | feature computed per slice, and averaged over slices |
| DHQ4 | feature computed over the volume |
| BTW3 | feature computed from 2D directional matrix and averaged over 2D directions and slices |
| SUJT | feature computed from a single matrix after merging 2D directional matrices per slice, and averaged over slices |
| ZW7Z | feature computed from a single matrix after merging all 2D directional matrices |
| ITBB | feature computed from 3D directional matrix and averaged over 3D directions |
| IAZD | feature computed from a single matrix after merging all 3D directional matrices |
| 8QNN | feature computed from 2D matrix and averaged over slices |
| 62GR | feature computed from a single matrix after merging all 2D matrices |
| KOBO | feature computed from 3D matrix |
| MPUJ | grid distances |
| LIFZ | manhattan norm |
| G9EV | euclidean norm |
| PVMT | chebyshev norm |
| ECJF | ROI submasks |
| SEFI | intensity mask |
| G5KJ | morphological mask |
| IF9H | re-segmentation |
| USB3 | range re-segmentation |
| 7ACA | outlier filtering |
| 6CK8 | distance weighting |
| LQD8 | volume voxel representation |
| 4KW8 | volume voxel point set representation |
| WRJH | volume voxel mesh representation |
| 4R0B | discretisation |
| Q3RU | fixed bin size |
| K15C | fixed bin number |
| 23XZ | data conversion |
| PCDE | image post-acquisition processing |
| OQYT | segmentation |
| VTM2 | interpolation |
| 68QD | intensity rounding after interpolation |
| E8H9 | roi mask partial volume |
| UMPJ | interpolation grid |
| 58MB | fit to original grid |
| SBKJ | align grid origins |
| 3WE3 | align grid centers |
| 026Q | align grid centers interpolation grid dimensions |
| QCY4 | align grid centers grid positions |
| 1OBP | ROI extraction |
| JJUI | feature computed from a single matrix after merging 2D directional matrices per direction, and averaged over directions |
| GFJV | Calculation Run Space |
| CINW | FeatureParameterSpace |
| 1XL1 | texture matrix aggregation parameters |
| 8QU8 | intensity discretization parameters |
| I7X7 | histogram equalisation |
| SSX6 | Lloyd-Max discretisation |
| OWOH | feature specific parameters |
| 9LZ9 | asymmetrical co-occurrence matrix |
| 2IQV | symmetrical co-occurrence matrix |
| 3S2S | distance weighting function |
| V0L6 | no distance weighting |
| 4S5Z | GLCM specific parameters |
| 0OW5 | GLRLM specific parameters |
| 6SLW | GLDZM specific parameters |
| MV8M | NGTDM specific parameters |
| KQW7 | IntVolSpecificParameters |
| X6TI | MaximumBound |
| V2QW | MinimumBound |
| G5MN | isovalue algorithm |
| CRAM | marching cube algorithm |
| FFWD | Morphological features specific parameters |
| VXRR | dependence coarseness parameter |
| NV3D | cubic convolution interpolation |
| 2I2N | cubic spline interpolation |
| X13G | linear interpolation |
| EY9L | nearest neighbour interpolation |
| QP79 | re-segmentation parameters |
| LQBA | spatial filter properties |
| WZSA | wavelet basis function |
| QVI9 | biorthogonal 3.5 wavelet |
| 2CYL | coiflet 1 wavelet |
| FR3E | haar wavelet |
| P8W0 | frequency |
| IA9Q | wavelet filter direction |
| LCNJ | HHH wavelet direction |
| S7CG | HHL wavelet direction |
| UFRT | HLH wavelet direction |
| RZ96 | HLL wavelet direction |
| CJ43 | LHH wavelet direction |
| 76ZU | LHL wavelet direction |
| NTRN | LLL wavelet direction |
| 6FPA | LLH wavelet direction |
| G6RO | image grey level rounding |
| IZBZ | edge enhancement |
| ZS1T | HistoEqualization |
| Q2ZB | LocalAreaHistoEqualization |
| OB71 | ImageSpace |
| K7BL | ImageVolume |
| OH8W | ROIMask |
| GF95 | IntensityHistogramStandardDeviation |
| URTB | IntensityHistogramTotalEnergy |
| 5ABU | Maximum2DDiameterColumn |
| 4S59 | Maximum2DDiameterSlice |
| K57E | Maximum2DDiameterRow |
| EGTD | Textural |
| 5XL6 | GLCM_MaximalCorrelationCoefficient |
| 9U4X | ZeroOrder |
| PWN1 | I10 |
| BOHI | I90 |
| JXJA | I10minusI90 |
| NK6P | V10 |
| 4279 | V90 |
| WITY | V10minusV90 |
| J04R | NGLDMSpecificParameters |
| ASHO | Voxel |
| NOVP | ImageFilterSpace |
| XSJL | AbsoluteFiltering |
| 1WTP | ButterworthFilter |
| PJBO | ColliageFilter |
| FTIJ | MedianFilter |
| 9IQY | SavitzkyGolayFilter |
| SUUU | WaveletFilter |
| WVUQ | ROIMask_PartialVolumeCutOff |
| REY6 | SegmentationMethods |
| SBDE | Automated |
| OAX6 | Manual |
| TGHU | SemiAutomated |
| 6VTB | SupervisedMethods |
| TV5D | DeepLearning |
| KJIF | NeuralNetwork |
| D3RT | SupportVectorMachine |
| ZJJY | UnsupervisedMethods |
| 2KAW | CMeansFuzzy |
| OPMG | Kmean |
| HF5R | Manual |
| W455 | InPolygon |
| 8LVU | RayCasting |
| WAB9 | EdgeBased |
| XL0Q | GradientEdgeBased |
| N20K | HoughTransformBased |
| VZXY | LaplacianEdgeBased |
| EOOR | MarrHildrethEdgeBased |
| Q6DD | ModelBased |
| MGZ1 | ActiveShape |
| SR1C | AppereanceModel |
| LAQN | AtlasModel |
| UU0Q | DeformableModel |
| ZCA3 | RegionBased |
| RZ08 | RegionGrowing |
| A9GC | RegionSplitting |
| TAWD | SplitAndMerge |
| Q025 | WatershedAlgorithm |
| L2WC | ThresholdingBased |
| E8C8 | GlobalThresholding |
| 81TK | LocalAdaptiveThresholding |
| 4VLP | Institution |
| DTYK | Phantom |
| YUBG | Software |
| SU1L | SoftwareProperties |
| 59QT | License |
| 1DUG | OpenSource |
| G91N | Proprietary |
| W2J1 | Version |
| M9H0 | VersionStatus |
| 4AGS | Filter application |
| 7QSE | filter in axial plane |
| 0ODV | volumetric filter |
| GBYQ | boundary condition |
| Z3VE | constant value |
| SIJG | nearest value |
| Z7YO | periodic |
| ZDTV | mirror |
| S60F | MeanFilter |
| YNOF | kernel support |
| 8BC3 | GaussianFilter |
| L6PA | LaplacianFilter |
| 41LN | Gaussian envelope scale |
| WGPM | Filter size cutoff |
| JTXT | Laws kernel filter |
| JVAD | Laws kernels |
| B5BZ | Laws L3 kernel |
| 6HRH | Laws L5 kernel |
| LJ4T | Laws E3 kernel |
| 2WPV | Laws E5 kernel |
| MK5Z | Laws S3 kernel |
| RXA1 | Laws S5 kernel |
| 4ENO | Laws W5 kernel |
| 3A1W | Laws R5 kernel |
| O1AQ | Pseudo-rotational invariance |
| SVKW | Response map pooling |
| M1CY | average |
| 0TAW | max |
| DUX4 | min |
| PQSD | Laws energy map |
| I176 | Laws energy map distance |
| Q88H | GaborFilter |
| S4N6 | Gabor wavelength lambda |
| GDR5 | Gabor ellipticity gamma |
| FQER | Gabor orientation theta |
| XTGK | Gabor orientation theta step |
| 25BO | Separable wavelets |
| BPXS | Separable wavelet family |
| UOUE | haar wavelet |
| UK1F | Separable wavelet filter combination |
| PPF6 | LL wavelet combination |
| P60O | HL wavelet combination |
| M0S1 | LH wavelet combination |
| WQ2Z | HH wavelet combination |
| KZAS | LLL wavelet combination |
| TY49 | LLH wavelet combination |
| 4KRX | LHL wavelet combination |
| UUV9 | HLL wavelet combination |
| UIT8 | LHH wavelet combination |
| QTIT | HHL wavelet combination |
| 8LD2 | HLH wavelet combination |
| OYUC | HHH wavelet combination |
| GCEK | wavelet decomposition level |
| PH3R | Separable wavelet decimated transform |
| CVCQ | Separable wavelet undecimated transform |
| LODD | Non-separable wavelet |
| 389V | Non-separable wavelet family |
| GWM2 | Shannon wavelet |
| PRT7 | Simoncelli wavelet |
| AYRS | Riesz transformation |
| OC48 | Riesz transformation order |
| 1SD3 | Riesz filter steering |
| XKP5 | Image dimension |
| 1F0N | k1-direction |
| M2EZ | k2-direction |
| R83H | k3-direction |
| Y4GJ | Convolution operation |
| YHT3 | Aggregating intensities from a response map |
| 5P3T | Response map |
| 0J1M | modulus, magnitude or absolute response map |
| V530 | angle, phase or argument response map |
| F7DI | real |
| LI3Y | imaginary |
| 52 | Intensity rounding: Describe how fractional Hounsfield Units are rounded to integer values after interpolation |
| 56a | Discretisation method: Describe the method used to discretise image intensities |
| 56b | Discretisation method: Describe the number of bins (FBN) or the bin size (FBS) used for discretisation |
| 56c | Discretisation method: Describe the lowest intensity in the first bin for FBS discretisation |
| 61 | Software availability: Describe which software and version was used to compute image biomarkers |
| 62 | Texture matrix aggregation: Define how texture-matrix based biomarkers were computed from underlying texture matrices |
| 63 | Distance weighting: Describe which software and version was used to compute image biomarkers |
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