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Measurements and Analysis of Speckle in Ultrasound B-Scans

  • S. W. Smith
  • J. M. Sandrik
  • R. F. Wagner
  • O. T. van Ramm
Part of the Acoustical Imaging book series (ACIM, volume 10)

Abstract

The issue of image texture in ultrasound B-scans of soft tissue organs has become an important topic. If B-scan texture is a good descriptor of tissue parenchyma, it can be used as the basis for clinical diagnosis. Several attempts have been made to relate B-scan image textures to disease states of soft tissue.1,2,3 However, an alternative source of image texture is coherent acoustic interference, i.e. speckle, which is primarily a function of the imaging system rather than the tissue medium. Burckhardt4 first presented a simple analysis of acoustic speckle assuming many scatterers within the system resolution cell. These targets scatter wavelets with random phases. Abbott and Thurstone5reviewed the difference between traditional laser speckle and broadband pulse echo acoustic speckle in images of diffuse structures. Bamber and Dickinson have developed a computerized tissue model6 and have made statistical measurements of texture from simulated B-scans based on that model.7 Flax et al. have also recently shown results from numerical modeling and measurements of B-scan image texture.8

Keywords

Point Spread Function Image Texture Laser Speckle Noise Power Spectrum Speckle Size 
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

© Plenum Press, New York 1982

Authors and Affiliations

  • S. W. Smith
    • 1
    • 2
  • J. M. Sandrik
    • 1
  • R. F. Wagner
    • 1
  • O. T. van Ramm
    • 3
  1. 1.Div. of Electronic Pdts.Bureau of Radiological Health Food and Drug Admin.RockvilleUSA
  2. 2.Dept. of RadiologyDuke UniversityDurhamUSA
  3. 3.Depts. of Biomedical Engineering and MedicineDuke UniversityDurhamUSA

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