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Content-adaptive parallax barriers: optimizing dual-layer 3D displays using low-rank light field factorization
- Douglas Lanman, M. Hirsch, Yunhee Kim, R. Raskar
- Physics, Computer ScienceACM Trans. Graph.
- 1 December 2010
Simulations and experiments characterize the resulting content-adaptive parallax barriers for low-rank light field approximation, and temporal multiplexing of masks is shown to achieve higher-rank approximations.
Point light source integral imaging with improved resolution and viewing angle by the use of electrically movable pinhole array.
- Yunhee Kim, Joohwan Kim, Jin-mo Kang, Jae-Hyun Jung, Heejin Choi, Byoungho Lee
- PhysicsOptics express
- 24 December 2007
With the proposed technique, the resolution and the viewing angle can be improved remarkably, and the upper resolution limit imposed by the Nyquist sampling theorem is overcome.
Color moiré pattern simulation and analysis in three-dimensional integral imaging for finding the moiré-reduced tilted angle of a lens array.
A color moirÉ pattern simulation and analysis method in integral imaging for finding the moiré-reducing tilted angle of a lens array and results verify the validity of the proposed method.
Depth extraction by use of a rectangular lens array and one-dimensional elemental image modification.
- Jae-Hyeung Park, Sungyong Jung, Heejin Choi, Yunhee Kim, Byoungho Lee
- GeologyApplied optics
- 1 September 2004
A novel depth-extraction method that uses a lens array consisting of vertically long rectangular lens elements that permits the extraction of exact depth from extremely periodically patterned object scenes and reduces quantization error in the depth extraction.
Three-dimensional display scheme based on integral imaging with three-dimensional information processing.
- Jae-Hyeung Park, Yunhee Kim, Joohwan Kim, S. Min, Byoungho Lee
- Computer ScienceOptics express
- 29 November 2004
This paper proposes a method that provides excellent flexibility to the integral imaging system parameters and display conditions and elemental images obtained in the pickup process are digitally analyzed and full three-dimensional information of the object is extracted.
Depth-enhanced three-dimensional-two-dimensional convertible display based on modified integral imaging.
A depth-enhanced three-dimensional-two-dimensional convertible display that uses a polymer-dispersed liquid crystal based on the principle of integral imaging and the nonimaging structure of the proposed method increases the expressible depth range considerably.
Multi-viewer tracking integral imaging system and its viewing zone analysis.
A multi-viewer tracking integral imaging system for viewing angle and viewing zone improvement with an infrared camera and infrared light emitting diodes which can track the viewers' exact positions robustly is proposed.
Enhancement of viewing angle and viewing distance in integral imaging by head tracking
We present a head-tracking based method for improving viewing angle and viewing distance in integral imaging system. Elemental images can be made in different regions as the position of a viewer…
Viewing Angle Enhancement of Three-Dimension/Two-Dimension Convertible Integral Imaging Display Using Double Collimated or Noncollimated Illumination
Two schemes for enhancing the viewing angle of a three-dimension/two-dimension (3D/2D) convertible integral imaging display are proposed: The double collimated illumination scheme increases the…
Wide-viewing-angle integral three-dimensional imaging system by curving a screen and a lens array.
- Yunhee Kim, Jae-Hyeung Park, S. Min, Sungyong Jung, Heejin Choi, Byoungho Lee
- PhysicsApplied optics
- 1 February 2005
A wide-viewing-angle integral three-dimensional imaging system made by curving a screen and a lens array is described, which was able to achieve a viewing angle of 33 degrees (one side) for real integral imaging and 40 degrees for virtual integral imaging, four times wider than that of the currently used conventional techniques.