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. 2020 Nov 5;9(11):3562. doi: 10.3390/jcm9113562

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© 2020 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Photos of the assembled Video and Optical See-Through Augmented Reality Surgical System (VOSTARS) headset used for the phantom tests (a,b), and its exploded view (c): (1) pair of stereo Red-Green-Blue (RGB) cameras for optical tracking and for video-see-through (VST) augmented reality (AR) visualization; (2) pair of optical shutters (OS) for optical see-through (OST)/VST switching; (3) see-through microdisplays of the OST Triviso visor; (4) plastic cover that holds all the components added around the OST Treviso visor; (5) head mount; (6) electronic board for stereo synchronization of the camera frames; (7) cooling fan.