Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Experimental Setup for Evaluating Depth Sensors in Augmented Reality Technologies Used in Medical Devices

Version 1 : Received: 16 April 2024 / Approved: 17 April 2024 / Online: 17 April 2024 (13:28:49 CEST)

How to cite: Stadnytskyi, V.; Ghammraoui, B. Experimental Setup for Evaluating Depth Sensors in Augmented Reality Technologies Used in Medical Devices. Preprints 2024, 2024041148. https://doi.org/10.20944/preprints202404.1148.v1 Stadnytskyi, V.; Ghammraoui, B. Experimental Setup for Evaluating Depth Sensors in Augmented Reality Technologies Used in Medical Devices. Preprints 2024, 2024041148. https://doi.org/10.20944/preprints202404.1148.v1

Abstract

In this paper, we introduce a specialized, fully automated experimental arrangement designed for assessing the effectiveness of augmented and virtual reality technologies in healthcare setting and explore its design principles focusing on depth sensor characterization. The main goal of this project is to establish a robust benchtop platform for the quantitative evaluation of extended reality technologies in a controlled environment, emphasizing the practical assessment of augmented reality head-mounted devices. We outline a design concept and considerations for an experimental configuration aimed at creating a realistic testing environment. This apparatus comprises an observation platform mounted on a three-degree-of-freedom motorized system and a test phantom stage. Focusing on real-case scenarios, we utilized a range of sensors, including readily available range-sensing cameras and commercial augmented reality headsets, such as the Intel RealSense L515 LiDAR camera, mounted on the motion control system. The setup enabled automated data collection and facilitates controlled assessments and validation of various facets of augmented reality technologies, including object, hand, and head tracking, as well as static and dynamic image registration. This paper describes the system architecture, the process of automated data collection, and presents several evaluation studies conducted with this setup, providing insights into the quality and temporal noise associated with static or moving objects or observers in augmented reality applications.

Keywords

augmented reality; virtual reality; validation; evaluation; image registration

Subject

Public Health and Healthcare, Other

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