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Progress in Orthodontics
Fig. 4 | Progress in Orthodontics

Fig. 4

From: Assessment of the accuracy of imaging software for 3D rendering of the upper airway, usable in orthodontic and craniofacial clinical settings

Fig. 4

Each 3D upper airway model obtained from semi-automatic segmentation was superimposed to its ground truth model (manual segmentation) in order to reliably remove the lowermost area of the nostrils. A, B) Superimposition between GS and semi-automatic models, using a global surface-based registration method; C, D) Cutting plane for exclusion of the lowermost area of the nostrils

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