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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 50, Iss. 28 — Oct. 1, 2011
  • pp: 5369–5381

Visibility-enhanced reconstruction of three-dimensional objects under a heavily scattering medium through combined use of intermediate view reconstruction, multipixel extraction, and histogram equalization methods in the conventional integral imaging system

Miao Zhang, Yongri Piao, and Eun-Soo Kim  »View Author Affiliations


Applied Optics, Vol. 50, Issue 28, pp. 5369-5381 (2011)
http://dx.doi.org/10.1364/AO.50.005369


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Abstract

In this paper, we propose an effective approach for reconstructing visibility-enhanced three-dimensional (3D) objects under the heavily scattering medium of dense fog in the conventional integral imaging system through the combined use of the intermediate view reconstruction (IVR), multipixel extraction (MPE), and histogram equalization (HE) methods. In the proposed system, the limited number of elemental images (EIs) picked up from the 3D objects under the dense fog is increased by as many as required by using the IVR technique. The increased number of EIs is transformed into the sub images (SIs) in which the resolution of the transformed SIs has been also improved as much as possible with the MPE method. Subsequently, by using the HE algorithm, the histogram of the resolution- enhanced SIs is uniformly redistributed over the entire range of discrete pixel levels of the image in a way that the subimage contrast can be much enhanced. Then, these equalized SIs are converted back into the newly modified EIs, and consequently a visibility-enhanced 3D object image can be reconstructed. Successful experimental results with the test object confirmed the feasibility of the proposed method.

© 2011 Optical Society of America

OCIS Codes
(100.6890) Image processing : Three-dimensional image processing
(110.2990) Imaging systems : Image formation theory
(100.3008) Image processing : Image recognition, algorithms and filters

ToC Category:
Image Processing

History
Original Manuscript: April 11, 2011
Revised Manuscript: August 13, 2011
Manuscript Accepted: August 13, 2011
Published: September 21, 2011

Citation
Miao Zhang, Yongri Piao, and Eun-Soo Kim, "Visibility-enhanced reconstruction of three-dimensional objects under a heavily scattering medium through combined use of intermediate view reconstruction, multipixel extraction, and histogram equalization methods in the conventional integral imaging system," Appl. Opt. 50, 5369-5381 (2011)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-50-28-5369

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