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Cross-imaging system comparison of backscatter coefficient estimates from a tissue-mimicking material
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10.1121/1.4742725
/content/asa/journal/jasa/132/3/10.1121/1.4742725
http://aip.metastore.ingenta.com/content/asa/journal/jasa/132/3/10.1121/1.4742725

Figures

Image of FIG. 1.
FIG. 1.

(Color online) Data collection set-up. The sample was scanned first and the reference was imaged under the same system settings used for the sample.

Image of FIG. 2.
FIG. 2.

(Color online) Backscatter coefficients vs. frequency estimates using each of the clinical ultrasound systems. Results are presented for two transducers for both the UltraSonix and the Zonare scanners. Also shown are lab measurements employing single-element transducers. The solid black curve is computed using the theory of Faran.

Tables

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TABLE I.

Composition and properties of the tissue-mimicking sample used for imaging system BSC estimates.

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TABLE II.

Summary of clinical imaging systems and the respective frequency bandwidths utilized in the analysis of RF data.

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TABLE III.

Summary of parameters for BSC estimation. (λcf: wave length calculated by the center frequency of RF echoes).

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TABLE IV.

B Faran, or the difference between measured BSC’ and Faran predictions determined over the available frequency range for each system. Shown are mean values of B Faran as well as one standard deviation for each system.

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TABLE V.

Estimated effective scatterer diameters (ESDs) from backscatter coefficients obtained by different ultrasound systems. Also shown are the mean square errors (MSE) for each estimate with respect to the Faran theory model, assuming the estimated single ESD. (*ESD for Faran was estimated assuming a single diameter from the Faran BSC prediction obtained by measured size distribution).

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/content/asa/journal/jasa/132/3/10.1121/1.4742725
2012-09-12
2014-04-23
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Cross-imaging system comparison of backscatter coefficient estimates from a tissue-mimicking material
http://aip.metastore.ingenta.com/content/asa/journal/jasa/132/3/10.1121/1.4742725
10.1121/1.4742725
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