Design and prototype of an augmented reality display with per-pixel mutual occlusion capability
AffiliationUniv Arizona, Coll Opt Sci
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PublisherOPTICAL SOC AMER
CitationDesign and prototype of an augmented reality display with per-pixel mutual occlusion capability 2017, 25 (24):30539 Optics Express
Rights© 2017 Optical Society of America
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AbstractState-of-the-art optical see-through head-mounted displays for augmented reality (AR) applications lack mutual occlusion capability, which refers to the ability to render correct light blocking relationship when merging digital and physical objects, such that the virtual views appear to be ghost-like and lack realistic appearance. In this paper, using off-the-shelf optical components, we present the design and prototype of an AR display which is capable of rendering per-pixel mutual occlusion. Our prototype utilizes a miniature organic light emitting display coupled with a liquid crystal on silicon type spatial light modulator to achieve an occlusion capable AR display offering a 30 degrees diagonal field of view and an angular resolution of 1.24 arcminutes, with an optical performance of >0.4 contrast over the full field at the Nquist frequency of 24.2 cycles/degree. We experimentally demonstrate a monocular prototype achieving >100: 1 dynamic range in well-lighted environments. (C) 2017 Optical Society of America
NoteOpen access journal.
VersionFinal published version