Translator Disclaimer
Paper
17 March 2015 Reduce blurring and distortion in a projection type virtual image display using integrated small optics
Author Affiliations +
Proceedings Volume 9392, The Engineering Reality of Virtual Reality 2015; 93920P (2015) https://doi.org/10.1117/12.2183173
Event: SPIE/IS&T Electronic Imaging, 2015, San Francisco, California, United States
Abstract
Head Up Display (HUD) is being applied to automobile. HUD displays information as far virtual image on the windshield. Existing HUD usually displays planar information. If the image corresponding to scenery on the road like Augmented Reality (AR) is displayed on the HUD, driver can efficiently get the information. To actualize this, HUD covering large viewing field is needed. However existing HUD cannot cover large viewing field. Therefore we have proposed system consisting of projector and many small diameter convex lenses. However observed virtual image has blurring and distortion . In this paper, we propose two methods to reduce blurring and distortion of images. First, to reduce blurring of images, distance between each of screen and lens comprised in lens array is adjusted. We inferred from the more distant the lens from center of the array is more blurred that the cause of blurring is curvature of field of lens in the array. Second, to avoid distortion of images, each lens in the array is curved spherically. We inferred from the more distant the lens from center of the array is more distorted that the cause of distortion is incident angle of ray. We confirmed effectiveness of both methods.
© (2015) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Tatsuya Hasegawa and Tomohiro Yendo "Reduce blurring and distortion in a projection type virtual image display using integrated small optics", Proc. SPIE 9392, The Engineering Reality of Virtual Reality 2015, 93920P (17 March 2015); https://doi.org/10.1117/12.2183173
PROCEEDINGS
8 PAGES


SHARE
Advertisement
Advertisement
RELATED CONTENT

Projector calibration method based on optical coaxial camera
Proceedings of SPIE (November 24 2014)
Integral virtual display for long distance view
Proceedings of SPIE (March 04 2013)
License plate detection algorithm
Proceedings of SPIE (December 24 2013)
Representation and coding of large-scale 3D dynamic maps
Proceedings of SPIE (September 27 2016)
Method of optical image coding by time integration
Proceedings of SPIE (May 04 2012)

Back to Top