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Table 1 Second order histogram (angular second moment, ASM) feature value for different region

From: Segmentation of pulmonary nodules using adaptive local region energy with probability density function-based similarity distance and multi-features clustering

 

1

2

3

4

5

GGO nodule

Solid nodule

Vessel

Parenchyma

Myocardium

ASM

0.2212

0.2448

0.4828

0.4817

0.6403