Research Topics
| Jeremy J DahlSummaryAffiliation: Duke University Medical Center Country: USA Publications
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Detail Information
Publications
A parallel tracking method for acoustic radiation force impulse imagingJeremy J Dahl
Duke University, Department of Biomedical Engineering, Durham, NC, USA
IEEE Trans Ultrason Ferroelectr Freq Control 54:301-12. 2007....- A motion-based approach to abdominal clutter reductionMuyinatu A Lediju
Department of Biomedical Engineering, Duke University, Durham, NC, USA
IEEE Trans Ultrason Ferroelectr Freq Control 56:2437-49. 2009..The contrast-to-noise ratio was improved by 21 to 68% and 44 to 108% in FIR- and BSS-filtered images, respectively. Improvements in contrast ranged from 4 to 12 dB. The method shows promise for reducing clutter in other abdominal images... - Comparison of 3-D multi-lag cross- correlation and speckle brightness aberration correction algorithms on static and moving targetsNikolas M Ivancevich
Biomed Eng Dept, Duke Univ, Durham, NC, USA
IEEE Trans Ultrason Ferroelectr Freq Control 56:2157-66. 2009..The contrast-to-noise ratio (CNR) increased by 20.5% and 12.8% using static and moving targets, respectively. Doppler signal strength increased by 5.6% and 4.9% for the static and moving-targets methods, respectively... 
Adaptive imaging on a diagnostic ultrasound scanner at quasi real-time ratesJeremy J Dahl
Department of Biomedical Engineering, Duke University, Durham, NC, USA
IEEE Trans Ultrason Ferroelectr Freq Control 53:1832-43. 2006..75-D arrays. The necessary requirements for constructing a real-time adaptive imaging system are also discussed...
Image quality, tissue heating, and frame rate trade-offs in acoustic radiation force impulse imagingRichard R Bouchard
Department of Biomedical Engineering, Duke University, Durham, NC, USA
IEEE Trans Ultrason Ferroelectr Freq Control 56:63-76. 2009..Results indicate that heating issues can be mitigated by employing ARFI acquisition sequences that utilize the highest track-to-excitation ratio possible...- Rapid tracking of small displacements with ultrasoundGianmarco F Pinton
Duke University, Biomedical Engineering, Durham, NC, USA
IEEE Trans Ultrason Ferroelectr Freq Control 53:1103-17. 2006..These results are used to implement a real-time ARFI imaging system using a commercial ultrasound scanner and a computer cluster. Images processed with the algorithms are examined in an ex vivo liver ablation study... - Spatial and temporal aberrator stability for real-time adaptive imagingJeremy J Dahl
Department of Biomedical Engineering, Duke University, Durham, NC, USA
IEEE Trans Ultrason Ferroelectr Freq Control 52:1504-17. 2005..5 seconds for breast and thyroid tissue, and 0.65 seconds for the liver. The effects of noise, motion, and target nonuniformity on aberrator stability are characterized by simulations and experiments in tissue mimicking phantoms... - Phase-aberration correction with a 3-D ultrasound scanner: feasibility studyNikolas M Ivancevich
Department of Biomedical Engineering, Duke University, Durham, NC 27708, USA
IEEE Trans Ultrason Ferroelectr Freq Control 53:1432-9. 2006..For a physical aberrator skull casting we saw CSR increase by 13% from 1.01 to 1.14, while the number of detectable cysts increased from 4.3 to 7.7... - Adaptive imaging and spatial compounding in the presence of aberrationJeremy J Dahl
Department of Biomedical Engineering, Duke University, Durham, NC, USA
IEEE Trans Ultrason Ferroelectr Freq Control 52:1131-44. 2005..Examples of these modes are presented in thyroid tissue... - The development and potential of acoustic radiation force impulse (ARFI) imaging for carotid artery plaque characterizationJason D Allen
Department of Medicine, Duke University Medical Center, Durham, North Carolina 27710, USA
Vasc Med 16:302-11. 2011..This allows ARFI to identify soft from hard plaques and differentiate characteristics associated with plaque vulnerability or stability... - Short-lag spatial coherence of backscattered echoes: imaging characteristicsMuyinatu A Lediju
Department of Biomedical Engineering, Duke University, Durham, NC, USA
IEEE Trans Ultrason Ferroelectr Freq Control 58:1377-88. 2011..Matched B-mode and SLSC images of a human thyroid are presented. The challenges and opportunities of real-time implementation of SLSC imaging are discussed... - Sources of image degradation in fundamental and harmonic ultrasound imaging using nonlinear, full-wave simulationsGianmarco F Pinton
Duke University, Durham, NC, USA
IEEE Trans Ultrason Ferroelectr Freq Control 58:754-65. 2011.... - Synthetic elevation beamforming and image acquisition capabilities using an 8 x 128 1.75D arrayAnna T Fernandez
Department of Biomedical Engineering, Duke University, Durham, NC 27708, USA
IEEE Trans Ultrason Ferroelectr Freq Control 50:40-57. 2003..We discuss system tradeoffs that occur in implementing synthetic receive and synthetic transmit/receive elevation focusing and show significant image quality improvements in simulation and phantom data results... - Quantitative assessment of the magnitude, impact and spatial extent of ultrasonic clutterMuyinatu A Lediju
Department of Biomedical Engineering, Duke University, Durham, NC, USA
Ultrason Imaging 30:151-68. 2008..Harmonic imaging did not reduce clutter in all volunteers... - Clinical evaluation of combined spatial compounding and adaptive imaging in breast tissueJeremy J Dahl
Department of Biomedical Engineering, Duke University, Durham, NC 27708, USA
Ultrason Imaging 26:203-16. 2004..2%. Combining both modes, however, increased cyst CNR by 32.6%, inappreciably increased target width by 1.1% and marginally decreased PBR by 2.8%. The increase in target brightness with this combined mode was 20.0%.. - On the feasibility of imaging peripheral nerves using acoustic radiation force impulse imagingMark L Palmeri
Department of Biomedical Engineering, Duke University, Durham, NC 27708, USA
Ultrason Imaging 31:172-82. 2009..This work demonstrates the feasibility of using ARFI imaging to improve the visualization of peripheral nerves during regional anesthesia procedures... - Direction of arrival filters for improved aberration estimationJeremy J Dahl
Department of Biomedical Engineering, Duke University, Durham, NC 27708, USA
Ultrason Imaging 30:1-20. 2008..The improvements in aberration estimation obtained with these methods are verified using simulations and experiments in tissue-mimicking phantoms. The technique is applied to signals obtained from in vivo human thyroid... - Lesion detectability in diagnostic ultrasound with short-lag spatial coherence imagingJeremy J Dahl
Department of Biomedical Engineering, Duke University, Durham, NC 27708, USA
Ultrason Imaging 33:119-33. 2011..SLSC imaging has a potential application to clutter rejection in ultrasonic imaging... - Acoustic radiation force impulse imaging for noninvasive characterization of carotid artery atherosclerotic plaques: a feasibility studyJeremy J Dahl
Department of Biomedical Engineering, Duke University, Durham, NC 27708, USA
Ultrasound Med Biol 35:707-16. 2009..5 mm. A stiff cap was observed covering the large soft tissue region, with the cap thickness ranging from 0.7-1.3 mm... - In vivo application of short-lag spatial coherence imaging in human liverMarko Jakovljevic
Department of Biomedical Engineering, Duke University, Durham, NC 27708, USA
Ultrasound Med Biol 39:534-42. 2013..Poor-quality fundamental B-mode images (where image quality classification is based on both contrast and CNR) exhibit the highest improvements in both contrast and CNR (288% improvement in contrast and 533% improvement in CNR)... - An ultrasound research interface for a clinical systemShelby S Brunke
Siemens Medical Solutions USA, Inc, Innovations, Issaquah, WA, USA
IEEE Trans Ultrason Ferroelectr Freq Control 54:198-210. 2007..A third major capability is the ability to record and playback macro files. In this paper, we describe the URI and illustrate its use on three research examples: elastography, computed tomography, and spatial compounding... - An ultrasound research interface for a clinical systemMohammad Ashfaq
Ruhr University Bochum, Institute for High Frequency Engineering, Bochum, Germany
IEEE Trans Ultrason Ferroelectr Freq Control 53:1759-71. 2006..A third major capability is the ability to record and playback macro files. In this paper, we describe the URI and illustrate its use on three research examples: elastography, computed tomography, and spatial compounding...