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. 2016 Apr 11;16:10. doi: 10.1186/s40644-016-0065-5

Fig. 3.

Fig. 3

When using automatic segmentation for tumour Regions of Interest (ROIs), the initial manually constructed ROI (a) can include surrounding lung. The segmentation software then redifines the ROI to exclude lung tissue b. The filtered tumour image (c) is used for derivation of texture parameters by histogram analysis