Pedro H. M. Lira

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Panoramic X-Ray images are very popular as a first tool for diagnosis in odontological protocols. Automating the process of analysis of such images is important in order to help dentist procedures. In this process, teeth segmentation from the radiographic images and feature extraction are essential steps. In this paper, we propose a segmentation approach(More)
Automating the process of analysis of Panoramic X-Ray images is important to help dentist procedures and diagnosis. Tooth segmentation from the radiographic images and feature extraction are essential steps. The authors propose a segmentation approach based on mathematical morphology, quadtree decomposition for mask generation, thresholding, and snake(More)
OBJECTIVES The accuracy of cone-beam technique, cone-beam computed tomography (CBCT), compared with that of the multislice spiral CT (MSCT), for image-based linear measurements of midpalatal suture was assessed. MATERIAL AND METHODS Two measurements were performed by one investigator on the dry skull by using one digital caliper and in the axial cuts by(More)
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