Ultrasound contrast-detail analysis: A comparison of low-contrast detectability among scanhead designs

Timothy J. Hall; Michael F. Insana; Linda A. Harrison; Nannette M. Soller; Kimberly J. Schlehr

doi:10.1118/1.597505

Ultrasound contrast-detail analysis: A comparison of low-contrast detectability among scanhead designs

Timothy J. Hall, Michael F. Insana, Linda A. Harrison, Nannette M. Soller, Kimberly J. Schlehr

Research output: Contribution to journal › Article › peer-review

Abstract

Contrast-detail (CD) analysis was used to compare the low-contrast detection capabilities of expert observers using different array-type scanhead technologies. Five expert observers viewed five different contrast targets to obtain CD curves for each scanhead. Differences in CD curves are interpreted in terms of the image contrast, resolution, and noise. It was found that differences in low-contrast detectability were due to differences in beam properties. Clinical images obtained during patient examinations are used to show how some clinically relevant tasks are distributed in their contrast and size.

Original language	English (US)
Pages (from-to)	1117-1125
Number of pages	9
Journal	Medical Physics
Volume	22
Issue number	7
DOIs	https://doi.org/10.1118/1.597505
State	Published - Jul 1995
Externally published	Yes

Keywords

contrast-detail
observer performance
phantoms
system evaluation
ultrasound

ASJC Scopus subject areas

Biophysics

Online availability

10.1118/1.597505

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abstract = "Contrast-detail (CD) analysis was used to compare the low-contrast detection capabilities of expert observers using different array-type scanhead technologies. Five expert observers viewed five different contrast targets to obtain CD curves for each scanhead. Differences in CD curves are interpreted in terms of the image contrast, resolution, and noise. It was found that differences in low-contrast detectability were due to differences in beam properties. Clinical images obtained during patient examinations are used to show how some clinically relevant tasks are distributed in their contrast and size.",

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AU - Schlehr, Kimberly J.

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AB - Contrast-detail (CD) analysis was used to compare the low-contrast detection capabilities of expert observers using different array-type scanhead technologies. Five expert observers viewed five different contrast targets to obtain CD curves for each scanhead. Differences in CD curves are interpreted in terms of the image contrast, resolution, and noise. It was found that differences in low-contrast detectability were due to differences in beam properties. Clinical images obtained during patient examinations are used to show how some clinically relevant tasks are distributed in their contrast and size.

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Ultrasound contrast-detail analysis: A comparison of low-contrast detectability among scanhead designs

Abstract

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