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Proceedings Paper

Image Reconstruction From Incomplete Projections
Author(s): Hidemitsu Ogawa
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Paper Abstract

We propose a series expansion method for image reconstruction from projections which is equivalent to the Fourier transform method. The reconstruction formula is applicable to incomplete projection data such as limited angle projection data and restricted region scan data. It is also applied not only to pencil beam and fan-beam scanners but also to any different type of CT scanners, for instance, a fan-beam scanner with a linear motion of x-ray source. The reconstruction technique, therefore, provides a direct method to restore any sectional image of a three-dimensional body.

Paper Details

Date Published: 1 November 1982
PDF: 8 pages
Proc. SPIE 0375, Medical Imaging and Image Interpretation, (1 November 1982); doi: 10.1117/12.934701
Show Author Affiliations
Hidemitsu Ogawa, Tokyo Institute of Technology (Japan)


Published in SPIE Proceedings Vol. 0375:
Medical Imaging and Image Interpretation
Judith M. S. Prewitt, Editor(s)

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