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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 22, Iss. 15 — Jul. 28, 2014
  • pp: 17897–17907

Resolution improvement of integral imaging based on time multiplexing sub-pixel coding method on common display panel

Yujiao Chen, Xiaorui Wang, Jianlei Zhang, Shuo Yu, Qiping Zhang, and Bingtao Guo  »View Author Affiliations

Optics Express, Vol. 22, Issue 15, pp. 17897-17907 (2014)

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Considering the limited pixel number and large pixel size of common display panel, the captured elemental images (EIs) array of high density pixels cannot be reconstructed sufficiently in the display process of integral imaging, because of matched display requirement. To solve this problem, this paper presents a novel approach to improve integral imaging resolution by designing a coded sub-pixel mask on common display panel. Specifically, multi-pixels in the captured EIs are displayed in a pixel in the common display panel with time multiplexing along with the corresponding aperture switched on/off of the coded sub-pixel mask periodically, in which the resolution of the reconstructed image is determined by the coded aperture size of the sub-pixel mask rather than the pixel size of the display panel. Then, the mapping relationship between the displayed pixel and the position of the switched on aperture of the coded sub-pixel mask is established theoretically. Computational reconstruction and optical experimental results show that this method can match the pixel number of the captured EIs with that of the display panel and the resolution of integral imaging can be improved significantly.

© 2014 Optical Society of America

OCIS Codes
(100.6890) Image processing : Three-dimensional image processing
(120.2040) Instrumentation, measurement, and metrology : Displays
(170.0110) Medical optics and biotechnology : Imaging systems
(170.3010) Medical optics and biotechnology : Image reconstruction techniques

ToC Category:
Imaging Systems

Original Manuscript: June 6, 2014
Revised Manuscript: July 2, 2014
Manuscript Accepted: July 4, 2014
Published: July 16, 2014

Yujiao Chen, Xiaorui Wang, Jianlei Zhang, Shuo Yu, Qiping Zhang, and Bingtao Guo, "Resolution improvement of integral imaging based on time multiplexing sub-pixel coding method on common display panel," Opt. Express 22, 17897-17907 (2014)

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