Algorithms and applications for electronically-recorded holography

H P Dong, C Khong, Michael Antony Player, Martin Solan, Jamie Watson

Research output: Chapter in Book/Report/Conference proceedingChapter

12 Citations (Scopus)

Abstract

Electronically-recorded holography is one technique for 3-dimensional imaging that avoids the requirements of wet-chemical development in conventional photographically recorded holography. It is capable of video-rate recording, and numerical reconstruction permits near real-time imaging. However, the size and pixel pitch of currently available CCD or CMOS sensors restricts its performance, particularly in regard to recordable object volume and spatial resolution. Spatial resolution with in-line recording geometry and collimated illumination is restricted to be no better than the pixel pitch of the recording sensor: however, this limit can be overcome by divergent-beam illumination, at the cost of some further reduction in object volume. We present a number of reconstruction algorithms for electronically recorded holograms, especially those suited to in-line holography using divergent-beam illumination. These algorithms are based on variations of numerical modelling of the diffraction process, as used in the physical reconstruction of conventional holograms. The performances of these algorithms are compared, using simulated and real holograms, and conclusions are drawn for the practical limitations on performance of electronically recorded holography. Applications are demonstrated for the study of sediment transport, and of biologically mediated re-suspension processes (bioturbation) in estuarine sediments, by electronic recording of holographic video.

Original languageEnglish
Title of host publicationSixth International Conference on Correlation Optics
EditorsOleg V. Angelsky
PublisherSPIE
Pages354-365
Number of pages12
Volume5477
ISBN (Print)9780819454034
DOIs
Publication statusPublished - 2003

Publication series

NameProceedings of SPIE
PublisherSPIE
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Keywords

  • numerical reconstruction
  • wavelet transform
  • sediments
  • erosion

Cite this

Dong, H. P., Khong, C., Player, M. A., Solan, M., & Watson, J. (2003). Algorithms and applications for electronically-recorded holography. In O. V. Angelsky (Ed.), Sixth International Conference on Correlation Optics (Vol. 5477, pp. 354-365). (Proceedings of SPIE). SPIE. https://doi.org/10.1117/12.560193

Algorithms and applications for electronically-recorded holography. / Dong, H P ; Khong, C ; Player, Michael Antony; Solan, Martin; Watson, Jamie.

Sixth International Conference on Correlation Optics. ed. / Oleg V. Angelsky. Vol. 5477 SPIE, 2003. p. 354-365 (Proceedings of SPIE).

Research output: Chapter in Book/Report/Conference proceedingChapter

Dong, HP, Khong, C, Player, MA, Solan, M & Watson, J 2003, Algorithms and applications for electronically-recorded holography. in OV Angelsky (ed.), Sixth International Conference on Correlation Optics. vol. 5477, Proceedings of SPIE, SPIE, pp. 354-365. https://doi.org/10.1117/12.560193
Dong HP, Khong C, Player MA, Solan M, Watson J. Algorithms and applications for electronically-recorded holography. In Angelsky OV, editor, Sixth International Conference on Correlation Optics. Vol. 5477. SPIE. 2003. p. 354-365. (Proceedings of SPIE). https://doi.org/10.1117/12.560193
Dong, H P ; Khong, C ; Player, Michael Antony ; Solan, Martin ; Watson, Jamie. / Algorithms and applications for electronically-recorded holography. Sixth International Conference on Correlation Optics. editor / Oleg V. Angelsky. Vol. 5477 SPIE, 2003. pp. 354-365 (Proceedings of SPIE).
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