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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 24, Iss. 23 — Dec. 1, 1985
  • pp: 4040–4045

Computed tomography videography: an electrooptical system for video-rate image reconstruction

Arthur F. Gmitro and Gene R. Gindi  »View Author Affiliations


Applied Optics, Vol. 24, Issue 23, pp. 4040-4045 (1985)
http://dx.doi.org/10.1364/AO.24.004040


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Abstract

A system for reconstruction of computed tomography (CT) images in a video frame time (1/30 sec) is described. The system implements the filtered backprojection algorithm using an electrooptic filtering technique, an optical backprojection, and a video detector. When coupled to a real-time system for acquiring projection data, the combined system realizes what we term CT videography.

© 1985 Optical Society of America

History
Original Manuscript: August 29, 1984
Published: December 1, 1985

Citation
Arthur F. Gmitro and Gene R. Gindi, "Computed tomography videography: an electrooptical system for video-rate image reconstruction," Appl. Opt. 24, 4040-4045 (1985)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-24-23-4040


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References

  1. D. P. Boyd, M. J. Lipton, “Cardiac Computed Tomography,” Proc. IEEE 71, 298 (1983). [CrossRef]
  2. H. H. Barrett, W. Swindell, “Analog Reconstruction Methods for Transaxial Tomography,” Proc. IEEE 65, 89 (1977). [CrossRef]
  3. A. F. Gmitro, J. E. Grievenkamp, W. Swindell, H. H. Barrett, M. Y. Chiu, S. K. Gordon, “Optical Computers for Reconstructing Objects from Their X-Ray Projections,” Opt. Eng. 19, 260 (1980). [CrossRef]
  4. H. H. Barrett, “Optical Processing in Radon Space,” Opt. Lett. 7, 248 (1982). [CrossRef] [PubMed]
  5. A. F. Gmitro, G. R. Gindi, H. H. Barrett, R. L. Easton, “Two-Dimensional Image Processing by One-Dimensional Filtering of Projection Data,” Proc. Soc. Photo. Opt. Instrum. Eng. 388, 132 (1983).
  6. W. T. Rhodes, “Acousto-Optic Signal Processing: Convolution and Correlation,” Proc. IEEE 69, 65 (1981). [CrossRef]
  7. N. J. Berg, J. N. Lee, Acoust-Optic Signal Processing: Theory and Practice (Marcel Dekkar, New York, 1983).
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  9. D. L. Hecht, “Multifrequency Acousto-optic Diffraction,” IEEE Trans. Sonics Ultrason. SU-24, 7 (1977). [CrossRef]
  10. R. L. Easton, A. J. Ticknor, H. H. Barrett, “Two-Dimensional Complex Fourier Transform Via the Radon Transform,” Appl. Opt. 24, 3817 (1985). [CrossRef] [PubMed]

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