A Rendering Method of Microdisplay Image to Expand Pupil Movable Region without Artifacts for Lenslet Array Near-Eye Displays

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dc.contributor.authorYe, Bien_US
dc.contributor.authorFujimoto, Yuichiroen_US
dc.contributor.authorSawabe, Taishien_US
dc.contributor.authorKanbara, Masayukien_US
dc.contributor.authorLugtenberg, Geerten_US
dc.contributor.authorKato, Hirokazuen_US
dc.contributor.editorHideaki Uchiyamaen_US
dc.contributor.editorJean-Marie Normanden_US
dc.date.accessioned2022-11-29T07:25:29Z
dc.date.available2022-11-29T07:25:29Z
dc.date.issued2022
dc.description.abstractNear-eye displays (NEDs) with lenslet array (LA) are a technological advancement that generates a virtual image in the observer's field of view (FOV). Although this technology is useful for designing lightweight NEDs, undesirable artifacts (i.e., cross-talk) occur when the user's pupil becomes larger than the pupil practical movable region (PPMR) or moves out of the PPMR. We proposed a rendering method for microdisplay images that takes pupil size into account and included the idea of pupil margin in the ray tracing process. Ray lights emitted by one microdisplay pixel (MP) enter the pupil and pupil margin area after passing through a number of lenses. Each lens at the MP corresponds to one virtual pixel (VP) on the virtual image plane. The weight of each VP is the intersection area between the ray light column and the pupil and pupil margin divided by the sum of intersecting spaces between all the ray light columns generated by the MP and the pupil and pupil margin. The value of each MP is determined by the number of VPs and the related weight. Through retina image simulation studies, we confirmed that the proposed rendering approach substantially enlarges PPMR to accommodate large pupil diameters and wide transition distances while reducing eye relief to an optimal (sunglasses) distance.en_US
dc.description.sectionheadersDisplays/Rendering
dc.description.seriesinformationICAT-EGVE 2022 - International Conference on Artificial Reality and Telexistence and Eurographics Symposium on Virtual Environments
dc.identifier.doi10.2312/egve.20221284
dc.identifier.isbn978-3-03868-179-3
dc.identifier.issn1727-530X
dc.identifier.pages131-138
dc.identifier.pages8 pages
dc.identifier.urihttps://doi.org/10.2312/egve.20221284
dc.identifier.urihttps://diglib.eg.org:443/handle/10.2312/egve20221284
dc.publisherThe Eurographics Associationen_US
dc.rightsAttribution 4.0 International License
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subjectCCS Concepts: Computing methodologies -> Microdisplay image processing; Rendering method; Ray tracing
dc.subjectComputing methodologies
dc.subjectMicrodisplay image processing
dc.subjectRendering method
dc.subjectRay tracing
dc.titleA Rendering Method of Microdisplay Image to Expand Pupil Movable Region without Artifacts for Lenslet Array Near-Eye Displaysen_US
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