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. Author manuscript; available in PMC: 2021 Dec 29.
Published in final edited form as: IEEE Trans Med Imaging. 2021 Nov 30;40(12):3652–3662. doi: 10.1109/TMI.2021.3094660

Fig. 3.

Fig. 3.

Qualitative illustrations of discovered sLTPs ordered in ascending order of their mean intensity values, equal to: [1: −964, 2: −941, 3: −926, 4: −912, 5: −909, 6: −907, 7: −895, 8: −877, 9: −876, 10: −854, 11: −818, 12: −760] HU. (a) Two examples of lung scans and their sLTP labeled masks; (b) Characteristics of {sLTPk}k=1,.., 12: (top) texture appearance (visualized on axial cuts from 9 random ROIs); (middle) average %sLTPk on MESA COPD scans with %sLTPk > 0 within training | test | all cases; (bottom) Spatial density plots of sLTPk using labeled ROIs (legend: S = superior; I = inferior; P = posterior; A = anterior positions).