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Reconstruction of 3D Images in Integral Imaging by Using Fourier Optics

Esna Ashari Esfahani, Zhila | 2012

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  1. Type of Document: M.Sc. Thesis
  2. Language: Farsi
  3. Document No: 43491 (05)
  4. University: Sharif University of Technology
  5. Department: Electrical Engineering
  6. Advisor(s): Mehrany, Khashayar
  7. Abstract:
  8. In this thesis, the unwanted effects of diffraction and defocus aberration in three-dimensional (3D) integral imaging are taken into account by using the principles of Fourier optics approach. First, the indirect reconstruction of 3D images is simulated by using the geometrical optics and then the direct reconstruction process is simulated via Fourier optics. The role of diffraction and defocus aberration in deterioration of the depth of field is studied for both real/virtual and focused modes of integral imaging. The extent of image deterioration in 3D integral imaging is compared against the extent of deterioration in conventional single lens imaging. The field of view of the 3D integral imaging system is also studied. To this end, free view reconstruction of integral imaging on a tilted image plane is simulated by using the principles of Fourier optics. The unwanted effects of diffraction and defocus aberration in deterioration of 3D integral imaging are once again investigated. The real/virtual and focused modes of integral imaging are both considered. It is shown that the focused mode of integral imaging is more immune to diffraction and defocus aberration than is the real/virtual mode.

  9. Keywords:
  10. Geometrical Optics ; Aberration Coefficient ; Three Dimensional Imaging ; Integral Imaging ; Fourier Optics

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