Download Augmented Environments for Computer-Assisted Interventions: by Ping-Lin Chang, Dongbin Chen, Daniel Cohen (auth.), Cristian PDF

By Ping-Lin Chang, Dongbin Chen, Daniel Cohen (auth.), Cristian A. Linte, John T. Moore, Elvis C. S. Chen, David R. Holmes III (eds.)

This publication constitutes the refereed court cases of the overseas Workshop on Augemented Environments for Computer-Assited Interventions, held along side MICCAI 2011, in Toronto, Canada, in September 2011. The thirteen revised complete papers offered have been rigorously reviewed and chosen from 21 submissions. The papers hide the next themes: photograph registration and fusion, calibration, visualisation and 3D belief, and optical layout, real-time implementations, validation, scientific purposes and medical evaluation.

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A guiding target representing the entry point on the liver surface in the current axis of the ablation tool is displayed on the liver surface. A second guidance circle is used to align the back of the tool such that the orientation of the tool shaft is directly aligned with the centre of the tumor. On alignment of the target and orientation circle, the orientation circle’s color changes from red to green and the projected trajectory will aim directly at the centre of the tumor. A depth bar, adjacent to the entry point within the surgeon’s line of sight, displays the distance to the target.

Comput. Assist. Radiol. Surg. 6(4), 507–522 (2011) Visual Search Behaviour and Analysis of Augmented Visualisation for Minimally Invasive Surgery Kenko Fujii, Johannes Totz, and Guang-Zhong Yang The Hamlyn Centre for Robotic Surgery, Imperial College London, UK Abstract. Disorientation has been one of the key issues hampering natural orifice translumenal endoscopic surgery (NOTES) adoption. A new Dynamic View Expansion (DVE) technique was recently introduced as a method to increase the field-of-view, as well as to provide temporal visual cues to encode the camera motion trajectory.

7. AR liver tumor ablaation guidance with entry target, orientation circle, depth bar, targeted tumor and trajectory If the IOD is moved quiickly, a lag effect is evident in the projected image. As the guidance target could be easily e displayed in a single image, little movement of the IOD was required. Little laag was therefore observed during the validation study. L Lag was only observed during the t repositioning of the IOD away from the workspacee of the operating user and did th herefore not hinder the procedure.

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