Hybrid Computational Near-Eye Light Field Display

We propose a hybrid computational near-eye light field display based on micro-lens arrays (MLAs) and structure parameters prioritization method (SPPM) that can render correct accommodation and expand the depth of field (DOF). The proposed display consists of two MLAs and two micro-displays. Two sets...

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Published in:IEEE photonics journal 2019-02, Vol.11 (1), p.1-10
Main Authors: Zhao, Jian, Ma, Qungang, Xia, Jun, Wu, Jun, Du, Bintao, Zhang, Hao
Format: Article
Language:English
Subjects:
augmented/virtual reality
Chlorophyll
Computation
Depth of field
Electrons
Frequency-domain analysis
Image reconstruction
Light
light field display
Light fields
Near eye display
Optical imaging
Spatial resolution
Three-dimensional displays
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cited_by cdi_FETCH-LOGICAL-c471t-6346de88b41df368b2e1cca9d4fa70fd7a82c5d67d08ffc6faabffe23a05dc2f3
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container_title IEEE photonics journal
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creator Zhao, Jian
Ma, Qungang
Xia, Jun
Wu, Jun
Du, Bintao
Zhang, Hao
description We propose a hybrid computational near-eye light field display based on micro-lens arrays (MLAs) and structure parameters prioritization method (SPPM) that can render correct accommodation and expand the depth of field (DOF). The proposed display consists of two MLAs and two micro-displays. Two sets of depth-sliced images are superimposed to reconstruct the object's light field. The system's ray resolution and the spectra difference between the proposed light field and the conventional one are discussed. The DOF of the proposed system is extended without the requiring of high refresh rate display. Furthermore, SPPM is proposed to extend the spatial frequency of the light field. A prototype is demonstrated and the experimental result shows that the depth field of the reconstructed images is significantly increased compared with conventional near-eye light field display based on single MLA.
doi_str_mv 10.1109/JPHOT.2019.2893934
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subjects augmented/virtual reality
Chlorophyll
Computation
Depth of field
Electrons
Frequency-domain analysis
Image reconstruction
Light
light field display
Light fields
Near eye display
Optical imaging
Spatial resolution
Three-dimensional displays
title Hybrid Computational Near-Eye Light Field Display
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