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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 47, Iss. 19 — Jul. 1, 2008
  • pp: D28–D37

Effect of different traversal schemes in integral image coding

Nicholas Sgouros, Ioannis Kontaxakis, and Manolis Sangriotis  »View Author Affiliations


Applied Optics, Vol. 47, Issue 19, pp. D28-D37 (2008)
http://dx.doi.org/10.1364/AO.47.000D28


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Abstract

Integral imaging (InIm) is a highly promising technique for the delivery of three-dimensional (3D) image content. During capturing, different views of an object are recorded as an array of elemental images (EIs), which form the integral image. High-resolution InIm requires sensors with increased resolution and produces huge amounts of highly correlated data. In an efficient encoding scheme for InIm compression both inter-EI and intra-EI correlations have to be properly exploited. We present an EI traversal scheme that maximizes the performance of InIm encoders by properly rearranging EIs to increase the intra-EI correlation of jointly coded EIs. This technique can be used to augment performance of both InIm specific and properly adapted general use encoder setups, used in InIm compression. An objective quality metric is also introduced for evaluating the effects of different traversal schemes on the encoder performance.

© 2008 Optical Society of America

OCIS Codes
(100.2000) Image processing : Digital image processing
(100.6890) Image processing : Three-dimensional image processing
(110.3000) Imaging systems : Image quality assessment
(110.6880) Imaging systems : Three-dimensional image acquisition

History
Original Manuscript: October 4, 2007
Revised Manuscript: December 26, 2007
Manuscript Accepted: January 14, 2008
Published: February 20, 2008

Citation
Nicholas Sgouros, Ioannis Kontaxakis, and Manolis Sangriotis, "Effect of different traversal schemes in integral image coding," Appl. Opt. 47, D28-D37 (2008)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-47-19-D28


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