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POLAR
2005
Proceedings of the ACM symposium on Virtual reality software and technology - VRST '05
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We describe POLAR, a portable, optical see-through, low-cost augmented reality system, which allows a user to see annotated views of small to medium-sized physical objects in an unencumbered way. ...
We describe the system design, including a hybrid IR/vision head-tracking solution, and present examples of simple augmented scenes. ...
Previous projection-based optical see-through systems [2] do not meet our goals in terms of portability, ready availability of components, and low cost. ...
doi:10.1145/1101616.1101662
dblp:conf/vrst/OlwalH05
fatcat:2o7iaz563jex7antym533hw65m
Design of a bright polarized head-mounted projection display
2007
Applied Optics
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In optical see-through head-mounted displays, it has been a common challenge that the displayed image lacks brightness and contrast compared with the direct view of a real-world scene. ...
The lack of image brightness is aggravated in the design of a see-through head-mounted projection display (HMPD). ...
optical see-through displays. ...
doi:10.1364/ao.46.002600
pmid:17446907
fatcat:omeowjy55rh3dgkpr6ltyemz34
Markerless tracking using Polar Correlation of camera optical flow
2010
2010 IEEE Virtual Reality Conference (VR)
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We show how optical flow in opposing cameras can be used to recover motion parameters of the multi-camera rig. ...
Our system uses optical flow over sparse features to overcome the limitation of vision-based systems that require markers or a pre-loaded model of the physical environment. ...
The prototype of the device is low cost, requires no setup and has a large range span. ...
doi:10.1109/vr.2010.5444784
dblp:conf/vr/GuptaLL10
fatcat:ukh4nvtg3fbphmzqmckfrp7cxe
Applications of augmented reality in ophthalmology
2020
Biomedical Optics Express
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Throughout the last decade, augmented reality (AR) head-mounted displays (HMDs) have gradually become a substantial part of modern life, with increasing applications ranging from gaming and driver assistance ...
This review includes the following topics: (i) underlying optical technologies, displays and trackers, holography, and adaptive optics; (ii) accommodation, 3D vision, and related problems such as presbyopia ...
[69]
Epson Moverio
BT-300
Augmented Reality
(Optical see-through) ...
doi:10.1364/boe.405026
pmid:33659087
pmcid:PMC7899512
fatcat:zlqpmco26zdo3dzf57plqhyg4q
Recent Advances in Planar Optics-Based Glasses-Free 3D Displays
2022
Frontiers in Nanotechnology
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As a specific application and an appealing feature, augmented reality (AR) 3D displays enabled by planar optics are comprehensively discussed. ...
As a result, planar optics hold great promise to tackle the critical challenges for glasses-free 3D displays, especially for portable electronics and transparent display applications. ...
GLASSES-FREE AUGMENTED REALITY 3D DISPLAY BASED ON PLANAR OPTICAL ELEMENTS Most recently, augmented reality (AR), as an interactive display that fuses the virtual world with reality, has become an aggressive ...
doi:10.3389/fnano.2022.829011
fatcat:vhegvowfkzaptl3txpfteyeofq
Projection of holographic images in volumetric fluorescent fluids for near-eye displays
2019
Photonics Letters of Poland
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"A multi-plane optical see-through holographic three-dimensional display for augmented reality applications", Optik 157: 190-196 (2018) CrossRef G. Li, D. Lee, Y. Jeong, J. Cho, B. ...
Lee, "Holographic display for see-through augmented reality using mirror-lens holographic optical element", Opt. Lett. 41(11), 2486-2489 (2016) CrossRef C. L. Lin, Y. Z. Su, M. W. Hung, K. C. ...
One of the natural applications for the technology is augmented reality, [10] [11] [12] which allows real and generated objects to be merged into one. ...
doi:10.4302/plp.v11i4.936
fatcat:lbysfjtfznfuhko7zdcgptijh4
Recent progress in Pancharatnam–Berry phase optical elements and the applications for virtual/augmented realities
2017
Optical Data Processing and Storage
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Such merits provide great advantages for waveguide-coupling augmented reality headsets. ...
AbstractIn this review paper,we report recent progress on Pancharatnam-Berry (PB) phase optical elements, such as lens, grating, and deflector. ...
The realization of virtual reality (VR) and augmented reality (AR) are coming to actual reality. Among the several remaining challenges, the depth perception is gaining more and more attention. ...
doi:10.1515/odps-2017-0010
fatcat:zy6n4itkfjhv7l4fxad3rpeq5e
Nanotechnology for Consumer Electronics
[chapter]
2017
Nanoelectronics
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For instance, the future of display technologies is in flexible, low profile, portable displays, many of which will be specifically designed for virtual reality. ...
Interesting optoelectronic properties available at the limit of material thickness, including near-transparency and a direct bandgap, could be pivotal in realizing low-cost, high-performance virtual reality ...
For instance, the future of display technologies is in flexible, low profile, portable displays, many of which will be specifically designed for virtual reality. ...
doi:10.1002/9783527800728.ch22
fatcat:mnjq2oxycja3dkhvhtxupixaz4
INSPEX: Design and integration of a portable/wearable smart spatial exploration system
2017
Design, Automation & Test in Europe Conference & Exhibition (DATE), 2017
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The INSPEX H2020 project main objective is to integrate automotive-equivalent spatial exploration and obstacle detection functionalities into a portable/wearable multi-sensor, miniaturised, low power device ...
Augmented reality audio feedback, taking into account the user's head position will inform the user on potential dangers. ...
Low cost light-weight spatial exploration system Navigation for people with special needs (e.g. ...
doi:10.23919/date.2017.7927089
dblp:conf/date/LesecqFBCJCHBMP17
fatcat:3gzwmu6q3famhezaejotgczmbu
PDRIVE: The Projector-based, Desktop, Reach-In Virtual Environment
[article]
2007
ICAT-EGVE 2014 - International Conference on Artificial Reality and Telexistence and Eurographics Symposium on Virtual Environments
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Stereo images are generated by two standard, off-the-shelf DLP projectors, which provides a large display and workspace volume at a relatively low cost. ...
A PDRIVE user "reaches in" to the virtual environment, which he views through a mirror. ...
The user mirror can be replaced with a semitransparent mirror for an augmented reality system. Electromagnetic tracking can be replaced by optical tracking. ...
doi:10.2312/egve/ipt_egve2007/009-016
fatcat:czbik3h6cvfqtl7xshn2d23xqu
Effect of Conventional Water Pretreatment Devices on Polar Compound Analysis
2019
Asian Journal of Atmospheric Environment
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non-polar compounds are of interest. ...
The chemiluminescence that results from the reaction is monitored by an optically filtered high-sensitivity photomultiplier. ...
C18 is an octadecylsilane bonded silica substrate which is non-polar, hydrophobic, and relatively inert, whose surface has been passivated with non-polar paraffinic groups. ...
doi:10.5572/ajae.2019.13.4.249
fatcat:t4qgeos4bndtvlfmm4mpdu3oey
Wearable functional near infrared spectroscopy (fNIRS) and transcranial direct current stimulation (tDCS): expanding vistas for neurocognitive augmentation
2015
Frontiers in Systems Neuroscience
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A new generation of functional near infrared spectroscopy (fNIRS) systems is described that are miniaturized, portable, and include wearable sensors. ...
Mobile optical brain imaging is a promising neuroimaging tool that has the potential to complement tDCS for realistic applications in natural settings. ...
Optical stimulation with near infrared lasers that are low powered but have high energy density could be a solution (Wells et al., 2005a,b; Shapiro et al., 2012) . ...
doi:10.3389/fnsys.2015.00027
pmid:25805976
pmcid:PMC4353303
fatcat:uxgrcgkr6vhe7cpnppgpxt4ic4
Photo-Aligned Ferroelectric Liquid Crystal Devices with Novel Electro-Optic Characteristics
2020
Crystals
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Comparison of electro-optical behavior of ferroelectric liquid crystals is described considering the performance of devices. ...
A variety of display and photonic devices with azo dye aligned ferroelectric liquid crystals is presented: smart glasses, liquid crystal Pancharatnam–Berry phase optical elements, 2D/3D switchable lenses ...
The market for smart windows includes architectural and automotive windows, and covers information displays for augmented reality (AR). ...
doi:10.3390/cryst10070563
fatcat:ow6xvkokqvbqxjybqakcdzcemu
Augmented Reality Dynamic Image Recognition Technology Based on Deep Learning Algorithm
2020
IEEE Access
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Augmented reality is a research hotspot developed on the basis of virtual reality. ...
Friendly human-computer interaction interface makes the application prospect of augmented reality technology very broad. ...
It assigns a high value to a certain neuron, and the rest of the neurons are assigned low values, making the result polarized. ...
doi:10.1109/access.2020.3012130
fatcat:7gjrtszcbbhgvf2zt34cwzcvum
Compact Smartphone-Based Laser Speckle Contrast Imaging Endoscope Device for Point-of-Care Blood Flow Monitoring
2022
Biosensors
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The smartphone-based low-cost portable mobile endoscope for monitoring blood flow and perfusion shows promise for preclinical applications and may be suitable for primary diagnosis at home or as a cost-effective ...
A smartphone-based portable LSCI endoscope system was validated for POC diagnosis of vascular disorders. ...
Materials and Methods
Implementation of Smartphone-Based Portable LSCI Endoscope Device We developed a low-cost smartphone-based portable LSCI endoscope. ...
doi:10.3390/bios12060398
pmid:35735546
fatcat:p3gzpqtcf5djfjrmrhqeavgtsq
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