Electronic see-through head mounted display with minimal peripheral obscuration

Michael P. Browne; Stan Larroque

doi:10.1117/12.2547733

19 February 2020 Electronic see-through head mounted display with minimal peripheral obscuration

Michael P. Browne, Stan Larroque

Proceedings Volume 11310, Optical Architectures for Displays and Sensing in Augmented, Virtual, and Mixed Reality (AR, VR, MR); 113100J (2020) https://doi.org/10.1117/12.2547733
Event: SPIE AR VR MR, 2020, San Francisco, California, United States

Abstract

SA Photonics and SL Process have developed a new type of electronic see-through augmented reality head mounted display. Our display utilizes a very compact freeform prism eyepiece that has almost no peripheral obscuration. This provides the wearer with the advantages of an electronic see-through system (occlusion, operation in high ambient environments, high contrast imagery, image enhancement, image export) but in a system that also allows natural vision of the real world outside the field of view of the eyepiece. As such, the user sees a seamless view of the entire real world, with augmentation in the central 62-degree diagonal field of view. The cameras for the see-through imagery are “hidden” behind the eyepieces, so they do not block the view of the real world, providing less than a 10% obscuration of the total visual field, much less than any other electronic see-through system and even less than many optical see-through systems. In addition to providing the see-through imagery, these cameras and SL Process’ innovative video processing architecture provide six degrees of freedom head tracking as well as hand tracking.

Citation Download Citation

Michael P. Browne and Stan Larroque "Electronic see-through head mounted display with minimal peripheral obscuration", Proc. SPIE 11310, Optical Architectures for Displays and Sensing in Augmented, Virtual, and Mixed Reality (AR, VR, MR), 113100J (19 February 2020); https://doi.org/10.1117/12.2547733

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KEYWORDS

Head-mounted displays

Cameras

Visualization

Video

Video processing

Augmented reality

Eye

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