Table 3 Selected features determined by recursive feature elimination and utilized for the training and test datasets for the supervised classifiers. The wavelet prefix is included in the feature names.

From: Radiomics approach for identifying radiation-induced normal tissue toxicity in the lung

Radiation Classifier

Treatment group classifier

EV status classifier

Original minor axis length

HHH small area low gray level emphasis

HLH run entropy

HLL Idmn

LLH dependence entropy

HLH first order Kurtosis

LHH MCC

HHH first order skewness

LLH sum entropy

HLH first order minimum

HLL MCC

HHL size zone non-uniformity normalized

Original elongation

HHL zone entropy

LLH Imc2

HLL first order Maximum

LLL Contrast

LLH run entropy

Original maximum 2D diameter row

LHH first order mean

LLH Imc1

LHL gray level non-uniformity

Original Max2D diameter slice

LHH small dependence low gray level emphasis

LLH gray level non-uniformity normalized

 

HHL small area low gray level emphasis

HLL correlation

 

HHH joint entropy

HLL small area high gray level emphasis

 

HHH Imc2

LLH first order skewness

  

LLL small dependence emphasis