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Edge-guided resolution enhancement in projectors via optical pixel sharing
2012
ACM Transactions on Graphics
Preserved Fulltext
Middle: The image from the enhanced-resolution projector compared with a target high-resolution image and a low resolution image. ...
Right: A side view of our prototype enhanced-resolution projector that achieves 1024 × 768 edge-enhanced images by cascading two light modulator panels of 512 × 384 resolution (animated illustrations in ...
We also thank our co-student at the Interactive Graphics and Visualization (iGravi) laboratory at UC, Irvine, Duy-Quoc Lai, for helping with the GPU implementation. ...
doi:10.1145/2185520.2335430
fatcat:sdaeciqblffedo4ox7k4birgji
Edge-guided resolution enhancement in projectors via optical pixel sharing
2012
ACM Transactions on Graphics
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Middle: The image from the enhanced-resolution projector compared with a target high-resolution image and a low resolution image. ...
Right: A side view of our prototype enhanced-resolution projector that achieves 1024 × 768 edge-enhanced images by cascading two light modulator panels of 512 × 384 resolution (animated illustrations in ...
We also thank our co-student at the Interactive Graphics and Visualization (iGravi) laboratory at UC, Irvine, Duy-Quoc Lai, for helping with the GPU implementation. ...
doi:10.1145/2185520.2185575
fatcat:rr57grkegnghzlhbi2fjg7ieei
Enhancing the resolution of a near-eye display with a Pancharatnam–Berry phase deflector
2017
Optics Letters
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We report an electro-optic image shifter to enhance the resolution of display devices with a Pancharatnam-Berry phase deflector (PBD). The switching time of our PBD is less than 1 ms. ...
Through synchronizing and computational factorization, we are able to double the display resolution for reducing the screen door effect. ...
low-resolution panel. ...
doi:10.1364/ol.42.004732
pmid:29140355
fatcat:nuer653d55fdjme65ndengslem
A Three-dimensional Transparent Display with Enhanced Transmittance and Resolution Using an Active Parallax Barrier with See-through Areas on an LCD Panel
2017
Current Optics and Photonics
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The transmittance of the three dimensional (3D) transparent display is an important factor and can be enhanced by adding a see-through area to the displayed 3D image in order to transmit an ambient light ...
However, there is a side effect that the perceived 3D resolution can be degraded due to the see-through area. ...
For that point of view, a time-multiplexing scheme using a display panel with higher refresh rate can be a better candidate to enhance the resolution of the 3D display than to increase the pixel density ...
doi:10.3807/copp.2017.1.2.095
fatcat:p257xlhwq5eybl7boeymmava5e
Dynamic Backlight Gamma on High Dynamic Range LCD TVs
2008
IEEE/OSA Journal of Display Technology
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A high dynamic range liquid crystal display (HDR-LCD) can enhance the contrast ratio of images by utilizing locally controlled dynamic backlight. ...
The inverse of a mapping function (IMF) method proposed as a dynamic gamma mapping curve for the backlight module, has been demonstrated to further improve in HDR image quality. ...
., for their valuable discussions. They also thank P.-J. Tsai of AU Optronics Corporation for his hardware support. ...
doi:10.1109/jdt.2008.920175
fatcat:2t5nudsptzgrfn72ydggd3r3le
Three-dimensional electro-floating display system using an integral imaging method
2005
Optics Express
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A resolution and viewing-angle enhanced integral imaging system using electrically movable pinhole array is proposed. ...
The pinhole array is expected to be moved fast enough to make an after-image effect, and the corresponding elemental images are displayed synchronously without reducing the 3D viewing aspect of the reconstructed ...
Acknowledgments This research was supported by a grant (F0004190-2007-23) from the Next Generation Information Display R&D Center, one of the 21st Century Frontier R&D Programs funded by the Ministry of ...
doi:10.1364/opex.13.004358
pmid:19495351
fatcat:63r54lqxirc6ngrcwsihx6t4nm
Image enhancement in projectors via optical pixel shift and overlay
2013
IEEE International Conference on Computational Photography (ICCP)
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Earlier work has explored enhancing the perceived resolution of a display by shifting multiple different lowresolution images by fractions of a pixel and overlaying them in a temporally multiplexed fashion ...
But, since this system is more constrained that using multiple overlaid images, the enhancement of resolution is compromised. ...
Similar resolution enhancement was explored for single displays. ...
doi:10.1109/iccphot.2013.6528304
dblp:conf/iccp/SajadiQIGM13
fatcat:wj7p3j3t6zc7dgcnbba6nxks6m
Augmented reality lightfield display for a smart window using an active pinhole array
2019
IEEE Access
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In this paper, we propose a novel method to realize an AR lightfield display using a transparent display and an active pinhole array (APA) to enhance both the 3D resolution and visibility of real objects ...
An augmented reality (AR) lightfield display can provide three-dimensional (3D) images at the locations of real objects. ...
In contrast, the pinhole-based method has a weakness in low optical efficiency, but the 3D resolution can be enhanced more easily by adopting the time-sequential scheme proposed in US patent #WO2001078409A2 ...
doi:10.1109/access.2019.2956605
fatcat:xn557iknfjegtkf55kdph23fbi
Integral imaging using a color filter pinhole array on a display panel
2012
Optics Express
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We propose methods of enhancing pinhole-type integral imaging ray density, resolution, and expressible depth range using a color filter pinhole array on a liquid crystal display panel with a projection ...
display panel and the pinhole array. ...
In this paper, the proposed method controls the sub-pixels of a transmission-type display panel for filtering color channels of an elemental image set, which can enhance the resolution, the viewing angle ...
doi:10.1364/oe.20.018744
pmid:23038515
fatcat:ms2kre7kmrbvbkonzoygoaoyci
Point light source integral imaging with improved resolution and viewing angle by the use of electrically movable pinhole array
2007
Optics Express
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A resolution and viewing-angle enhanced integral imaging system using electrically movable pinhole array is proposed. ...
The pinhole array is expected to be moved fast enough to make an after-image effect, and the corresponding elemental images are displayed synchronously without reducing the 3D viewing aspect of the reconstructed ...
Acknowledgments This research was supported by a grant (F0004190-2007-23) from the Next Generation Information Display R&D Center, one of the 21st Century Frontier R&D Programs funded by the Ministry of ...
doi:10.1364/oe.15.018253
pmid:19551123
fatcat:6erfc7ohinbezenywfyectzylq
Detection of Spot-Type Defects on Liquid Crystal Display Modules
2004
Key Engineering Materials
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An adaptive multilevel thresholding method using statistical characteristics of local block is proposed for a macro-view image while the detection method for a micro-view images composed of R, G, B sub-cells ...
To enhance the accuracy and reproducibility of LCD inspection, this paper introduces an automated inspection method using a computer vision technique. ...
A line scan camera is used to create a high-resolution image for point defect detection, and an a area scan camera used to create a low-resolution image for blob defect detection. ...
doi:10.4028/www.scientific.net/kem.270-273.808
fatcat:hdwwpz4v3ffadl575e6lohvvfu
Deep Controllable Backlight Dimming
[article]
2020
arXiv
pre-print
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In this work, a novel deep learning based local dimming method is proposed for rendering HDR images on dual-panel HDR displays. ...
Dual-panel displays require local dimming algorithms in order to reproduce content with high fidelity and high dynamic range. ...
Narwaria for providing source code for their methods. Lvyin Duan also would like to thank the China Scholarship Council (CSC) for their financial support. ...
arXiv:2008.08352v1
fatcat:7jvyiyuijzernbqjk5xi6rl2eu
Drive Scheme for Cholesteric Liquid Crystal Display by Pulsed Laser
2012
Journal of Laser Micro/Nanoengineering
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A high quality image with 300 dpi resolution can be easily achieved; meanwhile, the panel can be driven at the lower laser power. ...
The contrast ratio of the Ch-LCD images can be also enhanced by voltage assistance or thermal assistance technology. ...
., for conducting this project. ...
doi:10.2961/jlmn.2012.01.0022
fatcat:x3rhpr4bdfc6li2dojdixnbhw4
Resolution enhancement by vibrating displays
2012
ACM Transactions on Graphics
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We derive the perceived image model and use it to compute the low-resolution images that are optimized to enhance the apparent resolution of the perceived image. ...
We then render these low-resolution images in a sequence that repeats itself on a high refreshrate display. ...
We also thank Avshalom Harat for helping us in the design and realization of the vibrating display. Finally, we thank the Flickr users who shared their photographs with us. ...
doi:10.1145/2159516.2159521
fatcat:thi7dfuytnap7mvhw7tryprxbe
Integral imaging system using an electroluminescent film backlight for three-dimensional-two-dimensional convertibility and a curved structure
2009
Applied Optics
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Using this characteristic, we generate an array of pinholes on EL film to form a point light-source array for reconstructing three-dimensional (3D) images based on integral imaging. ...
Taking advantage of the flexibility of EL films, we also propose a flexible 3D/2D convertible integral imaging system with a wide viewing angle using a curved EL film. ...
When the pixel pitch of the transmission-type display panel is small, the resolution of the 3D image is improved because the light rays are modulated more finely. ...
doi:10.1364/ao.48.000998
pmid:19209217
fatcat:atmc54e32vgn7eez7qpadeakcy
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