Ultrasound imaging using diffraction tomography in a cylindrical geometry

David H. Chambers; Peter J. Littrup

doi:10.1117/12.462181

11 April 2002 Ultrasound imaging using diffraction tomography in a cylindrical geometry

David H. Chambers, Peter J. Littrup

Proceedings Volume 4687, Medical Imaging 2002: Ultrasonic Imaging and Signal Processing; (2002) https://doi.org/10.1117/12.462181
Event: Medical Imaging 2002, 2002, San Diego, California, United States

Abstract

Tomographic images of tissue phantoms and a sample of breast tissue have been produced from an acoustic synthetic array system for frequencies near 500 kHz. The images for sound speed and attenuation show millimeter resolution and demonstrate the feasibility of obtaining high-resolution tomographic images with frequencies that can deeply penetrate tissue. The image reconstruction method is based on the Born approximation to acoustic scattering and is a simplified version of a method previously used by Andre (Andre, et. al., Int. J. Imaging Systems and Technology, Vol 8, No. 1, 1997) for a circular acoustic array system. The images have comparable resolution to conventional ultrasound images at much higher frequencies (3-5 MHz) but with lower speckle noise. This shows the potential of low frequency, deeply penetrating, ultrasound for high-resolution quantitative imaging.

Citation Download Citation

David H. Chambers and Peter J. Littrup "Ultrasound imaging using diffraction tomography in a cylindrical geometry", Proc. SPIE 4687, Medical Imaging 2002: Ultrasonic Imaging and Signal Processing, (11 April 2002); https://doi.org/10.1117/12.462181

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