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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 22, Iss. 22 — Nov. 15, 1983
  • pp: 3555–3561

Advanced coded-aperture imaging system for nuclear medicine

Nagaaki Ohyama, Toshio Honda, Jumpei Tsujiuchi, Toru Matumoto, Takeshi A. linuma, and Kenji Ishimatsu  »View Author Affiliations


Applied Optics, Vol. 22, Issue 22, pp. 3555-3561 (1983)
http://dx.doi.org/10.1364/AO.22.003555


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Abstract

An advanced coded imaging system is described, and some results of phantom experiments are presented. The advanced method uses a pair of coherent codes (+1 and −1 codes) and has many advantages compared with conventional ones. One of the greatest advantages is that there are no sidelobes in the focal plane and only a few in other planes. Therefore, when an object can be regarded as two-dimensional, it is perfectly reconstructed with high detecting efficiency, and this is successfully simulated by a thyroid phantom with 99mTc. Moreover, this system has an ability to reconstruct tomograms, which is also shown by using ring phantoms piled on one another with some cold spots in their shells. From these experimental results it may be concluded that the new system is useful for practical applications, for example, to nuclear medicine.

© 1983 Optical Society of America

History
Original Manuscript: April 5, 1983
Published: November 15, 1983

Citation
Nagaaki Ohyama, Toshio Honda, Jumpei Tsujiuchi, Toru Matumoto, Takeshi A. linuma, and Kenji Ishimatsu, "Advanced coded-aperture imaging system for nuclear medicine," Appl. Opt. 22, 3555-3561 (1983)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-22-22-3555

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