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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 12 — Jun. 9, 2008
  • pp: 8855–8867

Scale-variant magnification for computational integral imaging and its application to 3D object correlator

Dong-Hak Shin and Hoon Yoo  »View Author Affiliations

Optics Express, Vol. 16, Issue 12, pp. 8855-8867 (2008)

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In this paper, we present a novel volumetric computational reconstruction (VCR) method for improved 3D object correlator. Basically, VCR consists of magnification and superposition. This paper presents new scale-variant magnification as a technique for VCR. To introduce our technique, we discuss an interference problem among elemental images in VCR. We find that a large magnification causes interference among elemental images when they are applied to the superposition. Thus, the resolution of reconstructed images should be limited by this interference. To overcome the interference problem, we propose a method to calculate a minimum magnification factor while VCR is still valid. Magnification by a new factor enables the proposed method to reconstruct resolution-enhanced images. To confirm the feasibility of the proposed method, we apply our method to a VCR-based 3D object correlator. Experimental results indicate that our method outperforms the conventional VCR method.

© 2008 Optical Society of America

OCIS Codes
(100.6890) Image processing : Three-dimensional image processing
(110.2990) Imaging systems : Image formation theory

ToC Category:
Imaging Systems

Original Manuscript: March 27, 2008
Revised Manuscript: May 12, 2008
Manuscript Accepted: May 28, 2008
Published: June 2, 2008

Dong-Hak Shin and Hoon Yoo, "Scale-variant magnification for computational integral imaging and its application to 3D object correlator," Opt. Express 16, 8855-8867 (2008)

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