Fig. 1From: Optimization of pulmonary emphysema quantification on CT scans of COPD patients using hybrid iterative and post processing techniques: correlation with pulmonary function testsMagnification of the lung parenchyma in a CT scan with the seven different iDose4 levels in ISP6: upper row iDose4 level 1 to 3; middle row: iDose4 level 4 to 6; bottom: iDose4 level 7Back to article page