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Object-based Visual Attention Quantification using Head Orientation in VR Applications

Volume 15, Number 3, March 2019, pp. 732-742
DOI: 10.23940/ijpe.19.03.p2.732742

Honglei Hana,b, Aidong Lub, Chanchan Xua, and Unique Wellsb

aSchool of Animation and Digital Arts, Communication University of China, Beijing, 100024, China
b
Department of Computer Science, University of North Carolina at Charlotte, Charlotte, 28223, USA


(Submitted on October 22, 2018; Revised on November 21, 2018; Accepted on December 23, 2018)

Abstract:

This paper presents a method to measure what and how deep users can perceive when exploring virtual reality environments using a head mounted display. A preliminary user study was conducted to verify that user gaze behavior has specific differences in immersive virtual reality environments compared with that in conventional, non-immersive virtual reality environments, which are based on a desktop screen. Gathered from the study results for gaze behavior, the users experiencing immersive virtual reality environments are more likely to adjust their head movement to center interesting objects in their vision. Based on this finding, a quantitative method is proposed to measure the user’s visual attention in such a virtual reality environment. A user personalized storyboard is designed to capture the user’s most regarded views as key frames that can depict the users’ exploration experience in immersive virtual reality environments.

 

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