Digital Tomosynthesis Using A Scanned Projection Radiographic System

Dwight G. Nishimura; Albert Macovski; William R. Brody

doi:10.1117/12.933017

4 November 1981 Digital Tomosynthesis Using A Scanned Projection Radiographic System

Dwight G. Nishimura, Albert Macovski, William R. Brody

Proceedings Volume 0314, Digital Radiography; (1981) https://doi.org/10.1117/12.933017
Event: Conference on Digital Radiography, 1981, Palo Alto, United States

Abstract

Tomosynthesis, an imaging mode related to classical tomography, is designed to produce arbitrarily many tomograms through processing of an appropriate set of radiographs. This paper examines the applicability of digital radiography technology to this technique. In this approach, component radiographs are recorded using efficient detectors and stored directly onto disk memory whereupon tomograms are synthesized under flexible software control and displayed on a CRT. Digital image processing is easily performed to enhance these images. Experiments were conducted by operating a third generation CT scanner in the scanned projection mode. This paper gives an analysis of tomography using traditional geometries and extends it to deal with the fan-beam geometry. Experimental results are also shown.

Citation Download Citation

Dwight G. Nishimura, Albert Macovski, and William R. Brody "Digital Tomosynthesis Using A Scanned Projection Radiographic System", Proc. SPIE 0314, Digital Radiography, (4 November 1981); https://doi.org/10.1117/12.933017

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