Three-dimensional ellipsoidal backprojection images from large arrays

Forrest L. Anderson

doi:10.1117/12.59402

1 June 1992 Three-dimensional ellipsoidal backprojection images from large arrays

Forrest L. Anderson

Proceedings Volume 1651, Medical Imaging VI: Instrumentation; (1992) https://doi.org/10.1117/12.59402
Event: Medical Imaging VI, 1992, Newport Beach, CA, United States

Abstract

Real-time 3-D ultrasonic imaging is not practical using conventional steered focused beam techniques. However, defocused transmitted pulses, combined with an image reconstruction approach related to computed tomography, make high quality real-time 3-D ultrasonic imaging feasible. `Three-dimensional Real Time Ultrasonic Imaging using Ellipsoidal Backprojection' (F. Anderson, SPIE's Medical Imaging V, 1991) contained point images produced with 32 receivers and 16 transmitters (32 X 16). This paper shows images produced by much larger arrays (e.g., 256 X 256), and resulting lower sidelobe levels.

Citation Download Citation

Forrest L. Anderson "Three-dimensional ellipsoidal backprojection images from large arrays", Proc. SPIE 1651, Medical Imaging VI: Instrumentation, (1 June 1992); https://doi.org/10.1117/12.59402

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