Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Accuracy and Repeatability Tests on HoloLens 2 and HTC Vive

Version 1 : Received: 8 August 2021 / Approved: 9 August 2021 / Online: 9 August 2021 (10:42:14 CEST)

How to cite: Soares, I.; Sousa, R.; Petry, M.; Moreira, A. Accuracy and Repeatability Tests on HoloLens 2 and HTC Vive. Preprints 2021, 2021080190 (doi: 10.20944/preprints202108.0190.v1). Soares, I.; Sousa, R.; Petry, M.; Moreira, A. Accuracy and Repeatability Tests on HoloLens 2 and HTC Vive. Preprints 2021, 2021080190 (doi: 10.20944/preprints202108.0190.v1).

Abstract

Augmented and Virtual Reality have been experiencing a rapidly growth in recent years, but there is not still a deep knowledge on their capabilities and where they could be explored. In that sense, this paper presents a study on the accuracy and repeatability of the Microsoft's HoloLens 2 (Augmented Reality device) and HTC Vive (Virtual Reality device) using an OptiTrack system as ground truth. For the HoloLens 2, the method used was hand tracking, while in HTC Vive, the object tracked was the system's hand controller. A series of tests in different scenarios and situations were performed to explore what could influence the measures. The HTC Vive obtained results in the millimetre scale, while the HoloLens 2 revealed not so accurate measures (around 2 centimetres). Although the difference can seem to be considerable, the fact that HoloLens 2 was tracking the user's hand and not an inherit controller made a huge impact. The results were considered a significant step for the on going project of developing a human-robot interface to program by demonstration an industrial robot using Extended Reality, which shows great potential to succeed based on this data.

Keywords

Programming by Demonstration; Virtual Reality; Augmented Reality; Accuracy; Repeatability

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