An Ultrasonic Holographic Imaging System for Medical Applications

  • Wayne R. Fenner
  • Gordon E. Stewart

Abstract

The application of ultrasonic holography to medicine has been suggested by many researchers as an alternative to the use of pulse-echo systems for medical diagnosis. This program has as an ultimate objective the development of a real-time holographic imaging system with digital image reconstruction and its evaluation for medical research. The present system configuration is such that, although in actual operation it does not constitute a real-time imaging system, in every other way one can evaluate its capabilities. Data acquisition, recording, and image reconstruction are performed under control of an Alpha-16 minicomputer. Image reconstruction is performed, however, off-line by a CDC 7 600 computer system. The system offers a variety of modes of operation. Holographic data may be collected by means of a piezoelectric sensing array, or may be modeled by means of digital computation. Although the system is being built with a particular array sensor, through the use of modeling, the performance of arrays with different elements and different spacings may be readily evaluated.

Keywords

Piezoelectric Element Point Scatterer Acoustic Holography Interelement Spacing Specular Point 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media New York 1974

Authors and Affiliations

  • Wayne R. Fenner
    • 1
  • Gordon E. Stewart
    • 1
  1. 1.The Aerospace CorporationEl SegundoUSA

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