Application of the homology method for quantification of low-attenuation lung region inpatients with and without COPD


BACKGROUND Homology is a mathematical concept that can be used to quantify degree of contact. Recently, image processing with the homology method has been proposed. In this study, we used the homology method and computed tomography images to quantify emphysema. METHODS This study included 112 patients who had undergone computed tomography and pulmonary… (More)