. Author manuscript; available in PMC: 2022 Jun 12.

Published in final edited form as: IEEE Trans Ultrason Ferroelectr Freq Control. 2022 Apr 27;69(5):1670–1681. doi: 10.1109/TUFFC.2022.3161719

TABLE II.

Overview of Feature Extracted by Texture Analysis

Texture type	Features	Number of features
Global	Variance, Skewness, Kurtosis	3
Gray-level co-occurrence matrix (GLCM)	Energy, Contrast, Correlation, Homogeneity, Variance, Sum Average, Entropy, Dissimilarity, Auto Correlation	9
Gray-level run-length matrix (GLRLM)	Short Run Emphasis (SRE), Long Run Emphasis (LRE), Gray-Level Non-uniformity (GLN), Run-Length Non-uniformity (RLN), Run Percentage (RP), Low Gray-Level Run Emphasis (LGRE), High Gray-Level Run Emphasis (HGRE), Short Run Low Gray-Level Emphasis (SRLGE), Short Run High Gray-Level Emphasis (SRHGE), Long Run Low Gray-Level Emphasis (LRLGE), Long Run High Gray-Level Emphasis (LRHGE), Gray-Level Variance, (GLV) Run-Length Variance (RLV)	13
Gray-level size zone matrix (GLSZM)	Small Zone Emphasis (SZE), Large Zone Emphasis (LZE), Gray-Level Non-uniformity (GLN), Zone-Size Non-uniformity (ZSN), Zone Percentage (ZP), Low Gray-Level Zone Emphasis (LGZE), High Gray-Level Zone Emphasis (HGZE), Small Zone Low Gray-Level Emphasis (SZLGE), Small Zone High Gray-Level Emphasis (SZHGE), Large Zone Low Gray-Level Emphasis (LZLGE), Large Zone High Gray-Level Emphasis (LZHGE), Gray-Level Variance (GLV), Zone-Size Variance (ZSV)	13
Neighborhood gray-tone difference matrix (NGTDM)	Coarseness, Contrast, Busyness, Complexity, Strength	5