Fig. 4From: Lung nodule pre-diagnosis and insertion path planning for chest CT imagesPulmonary nodule detection. A CT gray images at different slices for the same patient. B Results of lung parenchyma segmentation corresponding to gray images in Fig. 4A. C Automatic recognition experiments for pulmonary nodules, where I to III represent original images, doctor-marked nodules, and diagnostic results in this paper, respectively. D A cross-section of the reconstructed 3-D model. E Path planning of nodules used for biopsy puncture.Back to article page