A Wide Field-of-view Head Mounted Projective Display using Hyperbolic Half-silvered Mirrors

  • Authors:
  • Kiyoshi Kiyokawa

  • Affiliations:
  • Cybermedia Center, Osaka University, 1-32 Machikaneyama, Toyonaka, Osaka, 560-0043 Japan

  • Venue:
  • ISMAR '07 Proceedings of the 2007 6th IEEE and ACM International Symposium on Mixed and Augmented Reality
  • Year:
  • 2007

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Abstract

The development of a wide field-of-view (FOV) head mounted display (HMD) has been a technological challenge for decades. Previous HMDs tackled this problem using multiple display units (tiling) or multiple curved mirrors. The former approach tends to be expensive and heavy, whereas the latter approach tends to suffer from image distortion and a small exit pupil. In order to provide a wide FOV image with a large exit pupil, the present paper proposes a novel head mounted projective display (HMPD) using a hyperbolic half-silvered mirror, rather than a conventional planar mirror. The first bench-top prototype has successfully shown wide field-of-view projection capability.