Reflective-AR Display: An Interaction Methodology for Virtual-to-Real Alignment in Medical Robotics

Fotouhi J, Unberath M, Navab N, Song T, Mehrfard A, Taylor G, Wang Q, Xian F, Martin-Gomez A, Fuerst B, Armand M (2020)


Publication Type: Journal article

Publication year: 2020

Journal

Book Volume: 5

Pages Range: 2722-2729

Article Number: 8988155

Journal Issue: 2

DOI: 10.1109/LRA.2020.2972831

Abstract

Robot-assisted minimally invasive surgery has shown to improve patient outcomes, as well as reduce complications and recovery time for several clinical applications. While increasingly configurable robotic arms can maximize reach and avoid collisions in cluttered environments, positioning them appropriately during surgery is complicated because safety regulations prevent automatic driving. We propose a head-mounted display (HMD) based augmented reality (AR) system designed to guide optimal surgical arm set up. The staff equipped with HMD aligns the robot with its planned virtual counterpart. In this user-centric setting, the main challenge is the perspective ambiguities hindering such collaborative robotic solution. To overcome this challenge, we introduce a novel registration concept for intuitive alignment of AR content to its physical counterpart by providing a multi-view AR experience via reflective-AR displays that simultaneously show the augmentations from multiple viewpoints. Using this system, users can visualize different perspectives while actively adjusting the pose to determine the registration transformation that most closely superimposes the virtual onto the real. The experimental results demonstrate improvement in the interactive alignment of a virtual and real robot when using a reflective-AR display. We also present measurements from configuring a robotic manipulator in a simulated trocar placement surgery using the AR guidance methodology.

Involved external institutions

How to cite

APA:

Fotouhi, J., Unberath, M., Navab, N., Song, T., Mehrfard, A., Taylor, G.,... Armand, M. (2020). Reflective-AR Display: An Interaction Methodology for Virtual-to-Real Alignment in Medical Robotics. IEEE Robotics and Automation Letters, 5(2), 2722-2729. https://doi.org/10.1109/LRA.2020.2972831

MLA:

Fotouhi, Javad, et al. "Reflective-AR Display: An Interaction Methodology for Virtual-to-Real Alignment in Medical Robotics." IEEE Robotics and Automation Letters 5.2 (2020): 2722-2729.

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