Time multiplexing super resolution using a 2D Barker-based array

Asaf Ilovitsh, Tali Ilovitsh, Eyal Preter, Nadav Levanon, Zeev Zalevsky

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review


We propose the use of a two dimensional Barker-based array in order to improve the performance of the standard time multiplexing super resolution system. The Barker-based array is a 2D generalization of the standard 1D Barker code. It enables achieving a two dimensional super resolution image using only one dimensional scan, by exploiting its unique auto correlation property. A sequence of low resolution images are captured at different lateral positions of the array, and are decoded properly using the same array. In addition, we present the use of a mismatched array for the decoding process. The cross correlation between the Barker-based array and the mismatched array has a perfect peak to sidelobes ratio, making it ideal for the super resolution process. Also, we propose the projection of this array onto the object using a phase-only spatial light modulator. Projecting the array eliminates the need for printing it, mechanically shifting it, and having a direct contact with the object, which is not feasible in many imaging applications. The proposed method is presented analytically, demonstrated via numerical simulation, and validated by laboratory experiments.

Original languageEnglish
Title of host publicationOptical Methods in Developmental Biology IV
EditorsMichael A. Choma, Scott E. Fraser, Andrew M. Rollins
ISBN (Electronic)9781628419504
StatePublished - 2016
EventOptical Methods in Developmental Biology IV - San Francisco, United States
Duration: 13 Feb 201614 Feb 2016

Publication series

NameProgress in Biomedical Optics and Imaging - Proceedings of SPIE
ISSN (Print)1605-7422


ConferenceOptical Methods in Developmental Biology IV
Country/TerritoryUnited States
CitySan Francisco

Bibliographical note

Publisher Copyright:
© 2016 SPIE.


  • Image processing
  • Phase-only filters
  • Spatial light modulators
  • Super resolution


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