A. Martin-Gomez, U. Eck, J. Fotouhi, N. Navab Looking Also From Another Perspective: Exploring the Benefits of Alternative Views for Alignment Tasks 27th IEEE Virtual Reality Conference, Atlanta, Georgia, USA, Mar 2020 (bib)
	Object alignment is an activity frequently performed in several domains. Traditional AR/VR methods provide virtual guides such as text, arrows, or animations to assist users during alignment. This work explores the feasibility of using virtual cameras and mirrors instead. We conducted a study where participants aligned objects assisted by virtual cameras and mirrors in VR. Data regarding alignment, time to completion, users’ distance traveled, average head velocity, usability, and mental effort was collected. Results show that virtual helpers reduce mental effort and distance traveled and increase acceptance without negatively affecting alignment accuracy.
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