HySAR: Hybrid material rendering by an optical see-through head-mounted display with spatial augmented reality projection

Yuichi Hiroi, Yuta Itot, Takumi Hamasaki, Daisuke Iwai, Maki Sugimoto

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Citations (Scopus)


We propose a hybrid SAR concept combining a projector and Optical See-Through Head-Mounted Displays (OST-HMD). Our proposed hybrid SAR system utilizes OST-HMD as an extra rendering layer to render a view-dependent property in OST-HMDs according to the viewer's viewpoint. Combined with view-independent components created by a static projector, the viewer can see richer material contents. Unlike conventional SAR systems, our system theoretically allows unlimited number of viewers seeing enhanced contents in the same space while keeping the existing SAR experiences. Furthermore, the system enhances the total dynamic range, the maximum intensity, and the resolution of perceived materials. With a proof-of-concept system that consists of a projector and an OST-HMD, we qualitatively demonstrate that our system successfully creates hybrid rendering on a hemisphere object from five horizontal viewpoints. Our quantitative evaluation also shows that our system increases the dynamic range by 2.1 times and the maximum intensity by 1.9 times compared to an ordinary SAR system.

Original languageEnglish
Title of host publication2017 IEEE Virtual Reality, VR 2017 - Proceedings
PublisherIEEE Computer Society
Number of pages2
ISBN (Electronic)9781509066476
Publication statusPublished - 2017 Apr 4
Event19th IEEE Virtual Reality, VR 2017 - Los Angeles, United States
Duration: 2017 Mar 182017 Mar 22

Publication series

NameProceedings - IEEE Virtual Reality


Other19th IEEE Virtual Reality, VR 2017
Country/TerritoryUnited States
CityLos Angeles


  • Augmented
  • H.5.1 [Information interfaces and presentation]: Multimedia information systems - Artificial
  • Virtual realities

ASJC Scopus subject areas

  • General Engineering


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