Industry Area;
Federal Institute of Education Science and Technology of Ceara;
Maracanau;
Brazil;
Teleinformatic Engineering Department;
Federal University of Ceará;
Fortaleza;
Brazil;
Graduate Program in Applied Informatics;
University of Fortaleza;
Fortaleza;
Brazil;
3D Region Growing; Lungs segmentation; COPD; Pulmonary Structure Visualization; Computed Tomography;