A comparison between generalized coherence factor and short-LAG spatial coherence methods

Edmondo Pozo; Benjamin Castaneda; Jeremy Dahl; Roberto Lavarello

doi:10.1109/ISBI.2015.7163856

A comparison between generalized coherence factor and short-LAG spatial coherence methods

Edmondo Pozo, Benjamin Castaneda, Jeremy Dahl, Roberto Lavarello

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

7 Scopus citations

Abstract

Typical ultrasound image beamforming is based on delay and sum of received echoes. Sound speed inhomogeneity, phase aberration and acoustic clutter induce errors in the beamformed signals. Therefore, coherence-based techniques such as Generalized Coherence Factor (GCF) and Short-lag Spatial Coherence (SLSC) have been developed to reduce these errors. GCF has been used as a weighting factor applied to the conventional image (b-mode), and SLSC has been used as a new standalone image. In this study, a new approach for comparison of both techniques is proposed by using GCF and SLSC as weighting factors and standalone images. Image contrast and contrast-to-noise (CNR) were evaluated to analyze the approaches' performance.

Original language	English
Title of host publication	2015 IEEE 12th International Symposium on Biomedical Imaging, ISBI 2015
Publisher	IEEE Computer Society
Pages	231-234
Number of pages	4
ISBN (Electronic)	9781479923748
DOIs	https://doi.org/10.1109/ISBI.2015.7163856
State	Published - 21 Jul 2015
Event	12th IEEE International Symposium on Biomedical Imaging, ISBI 2015 - Brooklyn, United States Duration: 16 Apr 2015 → 19 Apr 2015

Publication series

Name	Proceedings - International Symposium on Biomedical Imaging
Volume	2015-July
ISSN (Print)	1945-7928
ISSN (Electronic)	1945-8452

Conference

Conference	12th IEEE International Symposium on Biomedical Imaging, ISBI 2015
Country/Territory	United States
City	Brooklyn
Period	16/04/15 → 19/04/15

Keywords

CNR
contrast
generalized coherence factor
image coherence
short-lag spatial coherence
ultrasound

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10.1109/ISBI.2015.7163856

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Pozo, E., Castaneda, B., Dahl, J., & Lavarello, R. (2015). A comparison between generalized coherence factor and short-LAG spatial coherence methods. In 2015 IEEE 12th International Symposium on Biomedical Imaging, ISBI 2015 (pp. 231-234). Article 7163856 (Proceedings - International Symposium on Biomedical Imaging; Vol. 2015-July). IEEE Computer Society. https://doi.org/10.1109/ISBI.2015.7163856

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abstract = "Typical ultrasound image beamforming is based on delay and sum of received echoes. Sound speed inhomogeneity, phase aberration and acoustic clutter induce errors in the beamformed signals. Therefore, coherence-based techniques such as Generalized Coherence Factor (GCF) and Short-lag Spatial Coherence (SLSC) have been developed to reduce these errors. GCF has been used as a weighting factor applied to the conventional image (b-mode), and SLSC has been used as a new standalone image. In this study, a new approach for comparison of both techniques is proposed by using GCF and SLSC as weighting factors and standalone images. Image contrast and contrast-to-noise (CNR) were evaluated to analyze the approaches' performance.",

keywords = "CNR, contrast, generalized coherence factor, image coherence, short-lag spatial coherence, ultrasound",

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Pozo, E, Castaneda, B, Dahl, J & Lavarello, R 2015, A comparison between generalized coherence factor and short-LAG spatial coherence methods. in 2015 IEEE 12th International Symposium on Biomedical Imaging, ISBI 2015., 7163856, Proceedings - International Symposium on Biomedical Imaging, vol. 2015-July, IEEE Computer Society, pp. 231-234, 12th IEEE International Symposium on Biomedical Imaging, ISBI 2015, Brooklyn, United States, 16/04/15. https://doi.org/10.1109/ISBI.2015.7163856

A comparison between generalized coherence factor and short-LAG spatial coherence methods. / Pozo, Edmondo; Castaneda, Benjamin; Dahl, Jeremy et al.
2015 IEEE 12th International Symposium on Biomedical Imaging, ISBI 2015. IEEE Computer Society, 2015. p. 231-234 7163856 (Proceedings - International Symposium on Biomedical Imaging; Vol. 2015-July).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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T1 - A comparison between generalized coherence factor and short-LAG spatial coherence methods

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AU - Castaneda, Benjamin

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N2 - Typical ultrasound image beamforming is based on delay and sum of received echoes. Sound speed inhomogeneity, phase aberration and acoustic clutter induce errors in the beamformed signals. Therefore, coherence-based techniques such as Generalized Coherence Factor (GCF) and Short-lag Spatial Coherence (SLSC) have been developed to reduce these errors. GCF has been used as a weighting factor applied to the conventional image (b-mode), and SLSC has been used as a new standalone image. In this study, a new approach for comparison of both techniques is proposed by using GCF and SLSC as weighting factors and standalone images. Image contrast and contrast-to-noise (CNR) were evaluated to analyze the approaches' performance.

AB - Typical ultrasound image beamforming is based on delay and sum of received echoes. Sound speed inhomogeneity, phase aberration and acoustic clutter induce errors in the beamformed signals. Therefore, coherence-based techniques such as Generalized Coherence Factor (GCF) and Short-lag Spatial Coherence (SLSC) have been developed to reduce these errors. GCF has been used as a weighting factor applied to the conventional image (b-mode), and SLSC has been used as a new standalone image. In this study, a new approach for comparison of both techniques is proposed by using GCF and SLSC as weighting factors and standalone images. Image contrast and contrast-to-noise (CNR) were evaluated to analyze the approaches' performance.

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A comparison between generalized coherence factor and short-LAG spatial coherence methods

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