Experimental ultrasound system for real-time synthetic imaging

Jørgen Arendt Jensen; Ole Holm; Lars Joost Jensen; Henrik Bendsen; Henrik Møller Pedersen; Kent Salomonsen; Johnny Hansen; Svetoslav Nikolov

doi:10.1109/ULTSYM.1999.849300

Experimental ultrasound system for real-time synthetic imaging

Jørgen Arendt Jensen
, Ole Holm
, Lars Joost Jensen
, Henrik Bendsen
, Henrik Møller Pedersen
, Kent Salomonsen
, Johnny Hansen
, Svetoslav Nikolov

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

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Abstract

Digital signal processing is being employed more and more in modern ultrasound scanners. This has made it possible to do dynamic receive focusing for each sample and implement other advanced imaging methods. The processing, however, has to be very fast and cost-effective at the same time. Dedicated chips are used in order to do real time processing. This often makes it difficult to implement radically different imaging strategies on one platform and makes the scanners less accessible for research purposes. Here flexibility is the prime concern, and the storage of data from all transducer elements over 5 to 10 seconds is needed to perform clinical evaluation of synthetic and 3D imaging. This paper describes a real-time system specifically designed for research purposes.

The purpose of the system is to make it possible to acquire multi-channel data in real-time from clinical multi-element ultrasound transducers, and to enable real-time or near realtime processing of the acquired data. The system will be capable of performing the processing for the currently available imaging methods, and will make it possible to perform initial trials in a clinical environment with new imaging modalities for synthetic aperture imaging, 2D and 3D B-mode and velocity imaging.

The system can be used with 128 element transducers and can excite 128 channels and receive and sample data from 64 channels simultaneously at 40 MHz with 12 bits precision. Data can be processed in real time using the system's 80 signal processing units or it can be stored directly in RAM. The system has 24 GBytes RAM and can thus store 8 seconds of multi-channel data. It is fully software programmable and its signal processing units can also be reconfigured under software control. The control of the system is done over an Ethernet using C and Matlab. Programs for doing e.g. B-mode imaging can directly be written in Matlab and executed on the system over the net from any workstation running Matlab. The overall system concept is presented and an example of a 20 lines script for doing phased array B-mode imaging is presented.

Original language	English
Title of host publication	1999 IEEE Ultrasonics Symposium Proceedings
Volume	1-2
Publisher	IEEE
Publication date	1999
Pages	1595-1599
ISBN (Print)	0-7803-5722-1, 0-7803-5723-X
DOIs	https://doi.org/10.1109/ULTSYM.1999.849300
Publication status	Published - 1999
Event	1999 IEEE Ultrasonics Symposium - Lake Tahoe, United States Duration: 17 Oct 1999 → 20 Oct 1999 http://ieeexplore.ieee.org/xpl/mostRecentIssue.jsp?punumber=6852

Conference

Conference	1999 IEEE Ultrasonics Symposium
Country/Territory	United States
City	Lake Tahoe
Period	17/10/1999 → 20/10/1999
Internet address	http://ieeexplore.ieee.org/xpl/mostRecentIssue.jsp?punumber=6852

Series	I E E E International Ultrasonics Symposium. Proceedings
ISSN	1051-0117

Bibliographical note

Copyright 1999 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.

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@inproceedings{962d27809efa423fb565bcab2ce7e043,

title = "Experimental ultrasound system for real-time synthetic imaging",

abstract = "Digital signal processing is being employed more and more in modern ultrasound scanners. This has made it possible to do dynamic receive focusing for each sample and implement other advanced imaging methods. The processing, however, has to be very fast and cost-effective at the same time. Dedicated chips are used in order to do real time processing. This often makes it difficult to implement radically different imaging strategies on one platform and makes the scanners less accessible for research purposes. Here flexibility is the prime concern, and the storage of data from all transducer elements over 5 to 10 seconds is needed to perform clinical evaluation of synthetic and 3D imaging. This paper describes a real-time system specifically designed for research purposes. The purpose of the system is to make it possible to acquire multi-channel data in real-time from clinical multi-element ultrasound transducers, and to enable real-time or near realtime processing of the acquired data. The system will be capable of performing the processing for the currently available imaging methods, and will make it possible to perform initial trials in a clinical environment with new imaging modalities for synthetic aperture imaging, 2D and 3D B-mode and velocity imaging. The system can be used with 128 element transducers and can excite 128 channels and receive and sample data from 64 channels simultaneously at 40 MHz with 12 bits precision. Data can be processed in real time using the system's 80 signal processing units or it can be stored directly in RAM. The system has 24 GBytes RAM and can thus store 8 seconds of multi-channel data. It is fully software programmable and its signal processing units can also be reconfigured under software control. The control of the system is done over an Ethernet using C and Matlab. Programs for doing e.g. B-mode imaging can directly be written in Matlab and executed on the system over the net from any workstation running Matlab. The overall system concept is presented and an example of a 20 lines script for doing phased array B-mode imaging is presented. ",

author = "Jensen, \{J{\o}rgen Arendt\} and Ole Holm and Jensen, \{Lars Joost\} and Henrik Bendsen and Pedersen, \{Henrik M{\o}ller\} and Kent Salomonsen and Johnny Hansen and Svetoslav Nikolov",

note = "Copyright 1999 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.; 1999 IEEE Ultrasonics Symposium, IUS 1999 ; Conference date: 17-10-1999 Through 20-10-1999",

year = "1999",

doi = "10.1109/ULTSYM.1999.849300",

language = "English",

isbn = "0-7803-5722-1",

volume = "1-2",

series = "I E E E International Ultrasonics Symposium. Proceedings",

publisher = "IEEE",

pages = "1595--1599",

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Jensen, JA, Holm, O, Jensen, LJ, Bendsen, H, Pedersen, HM, Salomonsen, K, Hansen, J & Nikolov, S 1999, Experimental ultrasound system for real-time synthetic imaging. in 1999 IEEE Ultrasonics Symposium Proceedings. vol. 1-2, IEEE, I E E E International Ultrasonics Symposium. Proceedings, pp. 1595-1599, 1999 IEEE Ultrasonics Symposium, Lake Tahoe, Nevada, United States, 17/10/1999. https://doi.org/10.1109/ULTSYM.1999.849300

Experimental ultrasound system for real-time synthetic imaging. / Jensen, Jørgen Arendt; Holm, Ole; Jensen, Lars Joost et al.
1999 IEEE Ultrasonics Symposium Proceedings. Vol. 1-2 IEEE, 1999. p. 1595-1599 (I E E E International Ultrasonics Symposium. Proceedings).

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

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AU - Bendsen, Henrik

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AU - Salomonsen, Kent

AU - Hansen, Johnny

AU - Nikolov, Svetoslav

N1 - Copyright 1999 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.

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N2 - Digital signal processing is being employed more and more in modern ultrasound scanners. This has made it possible to do dynamic receive focusing for each sample and implement other advanced imaging methods. The processing, however, has to be very fast and cost-effective at the same time. Dedicated chips are used in order to do real time processing. This often makes it difficult to implement radically different imaging strategies on one platform and makes the scanners less accessible for research purposes. Here flexibility is the prime concern, and the storage of data from all transducer elements over 5 to 10 seconds is needed to perform clinical evaluation of synthetic and 3D imaging. This paper describes a real-time system specifically designed for research purposes. The purpose of the system is to make it possible to acquire multi-channel data in real-time from clinical multi-element ultrasound transducers, and to enable real-time or near realtime processing of the acquired data. The system will be capable of performing the processing for the currently available imaging methods, and will make it possible to perform initial trials in a clinical environment with new imaging modalities for synthetic aperture imaging, 2D and 3D B-mode and velocity imaging. The system can be used with 128 element transducers and can excite 128 channels and receive and sample data from 64 channels simultaneously at 40 MHz with 12 bits precision. Data can be processed in real time using the system's 80 signal processing units or it can be stored directly in RAM. The system has 24 GBytes RAM and can thus store 8 seconds of multi-channel data. It is fully software programmable and its signal processing units can also be reconfigured under software control. The control of the system is done over an Ethernet using C and Matlab. Programs for doing e.g. B-mode imaging can directly be written in Matlab and executed on the system over the net from any workstation running Matlab. The overall system concept is presented and an example of a 20 lines script for doing phased array B-mode imaging is presented.

AB - Digital signal processing is being employed more and more in modern ultrasound scanners. This has made it possible to do dynamic receive focusing for each sample and implement other advanced imaging methods. The processing, however, has to be very fast and cost-effective at the same time. Dedicated chips are used in order to do real time processing. This often makes it difficult to implement radically different imaging strategies on one platform and makes the scanners less accessible for research purposes. Here flexibility is the prime concern, and the storage of data from all transducer elements over 5 to 10 seconds is needed to perform clinical evaluation of synthetic and 3D imaging. This paper describes a real-time system specifically designed for research purposes. The purpose of the system is to make it possible to acquire multi-channel data in real-time from clinical multi-element ultrasound transducers, and to enable real-time or near realtime processing of the acquired data. The system will be capable of performing the processing for the currently available imaging methods, and will make it possible to perform initial trials in a clinical environment with new imaging modalities for synthetic aperture imaging, 2D and 3D B-mode and velocity imaging. The system can be used with 128 element transducers and can excite 128 channels and receive and sample data from 64 channels simultaneously at 40 MHz with 12 bits precision. Data can be processed in real time using the system's 80 signal processing units or it can be stored directly in RAM. The system has 24 GBytes RAM and can thus store 8 seconds of multi-channel data. It is fully software programmable and its signal processing units can also be reconfigured under software control. The control of the system is done over an Ethernet using C and Matlab. Programs for doing e.g. B-mode imaging can directly be written in Matlab and executed on the system over the net from any workstation running Matlab. The overall system concept is presented and an example of a 20 lines script for doing phased array B-mode imaging is presented.

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DO - 10.1109/ULTSYM.1999.849300

M3 - Article in proceedings

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SN - 0-7803-5723-X

VL - 1-2

T3 - I E E E International Ultrasonics Symposium. Proceedings

SP - 1595

EP - 1599

BT - 1999 IEEE Ultrasonics Symposium Proceedings

PB - IEEE

T2 - 1999 IEEE Ultrasonics Symposium

Y2 - 17 October 1999 through 20 October 1999

ER -

Experimental ultrasound system for real-time synthetic imaging

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