Study on Compact Head-Mounted Display System Using Electro-Holography for Augmented Reality

• MURAKAMI Eishin

  Graduate School of Information Science and Technology, Hokkaido University

• OGURO Yuki

  Graduate School of Information Science and Technology, Hokkaido University

• SAKAMOTO Yuji

  Graduate School of Information Science and Technology, Hokkaido University

Abstract

Head-mounted displays (HMDs) and augmented reality (AR) are actively being studied. However, ordinary AR HMDs for visual assistance have a problem in which users have difficulty simultaneously focusing their eyes on both the real target object and the displayed image because the image can only be displayed at a fixed distance from an user's eyes in contrast to where the real object three-dimensionally exists. Therefore, we considered incorporating a holographic technology, an ideal three-dimensional (3D) display technology, into an AR HMD system. A few studies on holographic HMDs have had technical problems, and they have faults in size and weight. This paper proposes a compact holographic AR HMD system with the purpose of enabling an ideal 3D AR HMD system which can correctly reconstruct the image at any depth. In this paper, a Fourier transform optical system (FTOS) was implemented using only one lens in order to achieve a compact and lightweight structure, and a compact holographic AR HMD system was constructed. The experimental results showed that the proposed system can reconstruct sharp images at the correct depth for a wide depth range. This study enabled an ideal 3D AR HMD system that enables simultaneous viewing of both the real target object and the reconstructed image without feeling visual fatigue.

Journal

• IEICE Transactions on Electronics

  IEICE Transactions on Electronics E100.C (11), 965-971, 2017

  The Institute of Electronics, Information and Communication Engineers

Keywords

• head-mounted display
• augmented reality
• electro-holography
• computer-generated hologram

Details

• CRID: 1390001204379249152
• NII Article ID: 130006191564
• DOI: 10.1587/transele.e100.c.965
• ISSN: 17451353
• ISSN: 09168524
• HANDLE: 2115/68420
• Web Site: https://www.jstage.jst.go.jp/article/transele/E100.C/11/E100.C_965/_pdf
• Text Lang: en
• Data Source:
  • JaLC
  • IRDB
  • Crossref
  • CiNii Articles
  • KAKEN
• Abstract License Flag: Disallowed