| 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 |
