A novel array processing method for precise depth detection of ultrasound point scatter

Konstantinos Diamantis; Paul A. Dalgarno; Alan H. Greenaway; Tom Anderson; Jørgen Arendt Jensen; Vassilis Sboros

doi:10.1109/ICASSP.2016.7471759

A novel array processing method for precise depth detection of ultrasound point scatter

Konstantinos Diamantis, Paul A. Dalgarno, Alan H. Greenaway, Tom Anderson, Jørgen Arendt Jensen, Vassilis Sboros

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

Abstract

A signal based algorithm resulting in increased depth resolution is presented for medical ultrasound. It relies on multiple foci beamforming that is enabled by current ultrasound imaging systems. The concept stems from optical microscopy and is translated here into ultrasound using the Field II simulation software. A 7 MHz linear transducer is used to scan a single point scatterer phantom that can move in the axial direction. Individual beamformer outputs from 3 different foci are post-processed using the highly-dependent on focusing errors, metric of sharpness to estimate the position of the point scatter. A 37.8 μm uncertainty in depth estimation is achieved, which attains an almost 3-fold improvement compared to conventional ultrasound imaging axial resolution. Future work on the development of this algorithm requires experimental validation in tissue-like materials that provide strong aberrations.

Original language	English
Title of host publication	Proceedings of 2016 IEEE International Conference on Acoustics, Speech and Signal Processing
Publisher	IEEE
Publication date	2016
Pages	669-673
ISBN (Print)	978-1-4799-9988-0
DOIs	https://doi.org/10.1109/ICASSP.2016.7471759
Publication status	Published - 2016
Event	2016 IEEE International Conference on Acoustics, Speech, and Signal Processing - Shanghai, China Duration: 20 Mar 2016 → 25 Mar 2016 Conference number: 41

Conference

Conference	2016 IEEE International Conference on Acoustics, Speech, and Signal Processing
Number	41
Country/Territory	China
City	Shanghai
Period	20/03/2016 → 25/03/2016

Keywords

Ultrasound imaging
Beamforming
Multiple focusing
Depth-resolution
Normalized sharpness

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10.1109/ICASSP.2016.7471759

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title = "A novel array processing method for precise depth detection of ultrasound point scatter",

abstract = "A signal based algorithm resulting in increased depth resolution is presented for medical ultrasound. It relies on multiple foci beamforming that is enabled by current ultrasound imaging systems. The concept stems from optical microscopy and is translated here into ultrasound using the Field II simulation software. A 7 MHz linear transducer is used to scan a single point scatterer phantom that can move in the axial direction. Individual beamformer outputs from 3 different foci are post-processed using the highly-dependent on focusing errors, metric of sharpness to estimate the position of the point scatter. A 37.8 μm uncertainty in depth estimation is achieved, which attains an almost 3-fold improvement compared to conventional ultrasound imaging axial resolution. Future work on the development of this algorithm requires experimental validation in tissue-like materials that provide strong aberrations.",

keywords = "Ultrasound imaging, Beamforming, Multiple focusing, Depth-resolution, Normalized sharpness",

author = "Konstantinos Diamantis and Dalgarno, {Paul A.} and Greenaway, {Alan H.} and Tom Anderson and Jensen, {J{\o}rgen Arendt} and Vassilis Sboros",

year = "2016",

doi = "10.1109/ICASSP.2016.7471759",

language = "English",

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booktitle = "Proceedings of 2016 IEEE International Conference on Acoustics, Speech and Signal Processing",

publisher = "IEEE",

address = "United States",

note = "2016 IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2016 ; Conference date: 20-03-2016 Through 25-03-2016",

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Diamantis, K, Dalgarno, PA, Greenaway, AH, Anderson, T, Jensen, JA & Sboros, V 2016, A novel array processing method for precise depth detection of ultrasound point scatter. in Proceedings of 2016 IEEE International Conference on Acoustics, Speech and Signal Processing. IEEE, pp. 669-673, 2016 IEEE International Conference on Acoustics, Speech, and Signal Processing, Shanghai, China, 20/03/2016. https://doi.org/10.1109/ICASSP.2016.7471759

A novel array processing method for precise depth detection of ultrasound point scatter. / Diamantis, Konstantinos; Dalgarno, Paul A.; Greenaway, Alan H. et al.
Proceedings of 2016 IEEE International Conference on Acoustics, Speech and Signal Processing. IEEE, 2016. p. 669-673.

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

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A novel array processing method for precise depth detection of ultrasound point scatter

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Keywords

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