Low Bit-Rate Imaging in Scanning Tomographic Acoustic Microscopy

  • S. Davis Kent
  • Hua Lee
Part of the Acoustical Imaging book series (ACIM, volume 21)

Abstract

Acoustic microscopy has been successfully employed in many areas, such as medical imaging and non-destructive evaluation. Using acoustic waves, the technique is able to obtain important information of the specimen under evaluation that is not available or that is more difficult to obtain with other means. Properties such as the acoustic velocity and attenuation in biological tissue, for example, is readily obtained with acoustic microscopes. This information can be interpreted by pathologists to identify the condition of tissues. In the area of non-destructive evaluation, the differences in attenuation of flaws such as voids and the surrounding materials is easily identified using acoustic waves. In order to expand the usefulness of acoustic microscopes, holographic and tomographic techniques have been employed which have the effect of improving system resolution, but at the expense of increased computational complexity and increased bit rates.1,2

Keywords

Entropy Microwave Attenuation Expense Acoustics 

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Copyright information

© Springer Science+Business Media New York 1995

Authors and Affiliations

  • S. Davis Kent
    • 1
  • Hua Lee
    • 1
  1. 1.Department of Electrical and Computer EngineeringUniversity of California, Santa BarbaraSanta BarbaraUSA

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