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. Author manuscript; available in PMC: 2021 Jun 1.
Published in final edited form as: Mol Imaging Biol. 2020 Jun;22(3):780–787. doi: 10.1007/s11307-019-01423-5

Table 1:

Radiomic features from different categories.

Lesion Geometry (GEO) First-Order Histogram (HIS) Absolute Gradient (GRA) Run-Length Matrix (RLM) Co-Occurrence Matrix (COM) Autoregressive Model (ARM) Wavelet Transform (WAV)

  • Total number of geometric parameters: 73

  • Mean

  • variance

  • skewness

  • kurtosis,

  • l-% percentile

  • 10-% percentile

  • 50-% percentile

  • 90-% percentile

  • 99-% percentile

  • mean

  • variance

  • skewness

  • kurtosis

  • percentage of pixels with nonzero gradient.

  • run length nonuniformity

  • grey level nonuniformity

  • long run emphasis

  • short run emphasis

  • fraction of image in runs

  • angular second moment

  • contrast

  • correlation

  • sum of squares

  • inverse difference moment

  • sum average

  • sum variance

  • sum entropy

  • entropy

  • difference variance

  • difference entropy

  • teta 1

  • teta 2

  • teta 3

  • teta 4

  • sigma

  • WAVELET ENERGY

For further information on the features visit: http://www.eletel.p.lodz.pl/programy/mazda/download/FeaturerList.pdf