Torbjorn Hergum
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Explore the profile of Torbjorn Hergum including associated specialties, affiliations and a list of published articles.
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Articles
11
Citations
56
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Recent Articles
1.
Skaug T, Amundsen B, Hergum T, Urheim S, Torp H, Haugen B
Eur Heart J Cardiovasc Imaging
. 2013 Dec;
15(6):615-22.
PMID: 24344195
Aims: The aim of this study was to validate and assess the feasibility of a previously described method using multibeam high-pulse repetition frequency (HPRF) colour Doppler to quantify the vena...
2.
Gjerald S, Brekken R, Hergum T, Dhooge J
IEEE Trans Ultrason Ferroelectr Freq Control
. 2012 May;
59(5):885-92.
PMID: 22622973
Ultrasound simulators can be used for training ultrasound image acquisition and interpretation. In such simulators, synthetic ultrasound images must be generated in real time. Anatomy can be modeled by computed...
3.
Gjerald S, Brekken R, Bo L, Hergum T, Hernes T
Comput Biol Med
. 2012 Mar;
42(5):607-13.
PMID: 22424668
The objective of this study was to make an interactive method for development of a tissue model, based on anatomical information in computed tomography (CT) images, for use in an...
4.
Gao H, Hergum T, Torp H, Dhooge J
Ultrasonics
. 2012 Feb;
52(5):573-7.
PMID: 22348943
Simulation of ultrasound data is often performed for developing new ultrasound data processing techniques. The spatial impulse response method (as implemented in FieldII) has typically been used as the gold...
5.
Hergum T, Bjastad T, Lovstakken L, Kristoffersen K, Torp H
IEEE Trans Ultrason Ferroelectr Freq Control
. 2010 Apr;
57(4):830-8.
PMID: 20378446
In color flow imaging for medical diagnosis, the inherent trade-off between frame rate and image quality may often lead to suboptimal images. Parallel receive beamforming is used to help overcome...
6.
Skaug T, Hergum T, Amundsen B, Skjaerpe T, Torp H, Haugen B
J Am Soc Echocardiogr
. 2009 Nov;
23(1):1-8.
PMID: 19914037
Background: The aim of this study was to validate a novel method of determining vena contracta area (VCA) and quantifying mitral regurgitation using multibeam high-pulse repetition frequency (HPRF) color Doppler....
7.
Hergum T, Langeland S, Remme E, Torp H
IEEE Trans Ultrason Ferroelectr Freq Control
. 2009 Jul;
56(6):1159-67.
PMID: 19574124
Most available ultrasound imaging simulation methods are based on the spatial impulse response approach. The execution speed of such a simulation is of the order of days for one heart-sized...
8.
Hergum T, Skaug T, Matre K, Torp H
IEEE Trans Ultrason Ferroelectr Freq Control
. 2009 May;
56(5):975-82.
PMID: 19473915
It is important to determine the severity of valvular regurgitation accurately because surgery is indicated only in severe regurgitations. The evaluation of, for example, mitral regurgitation is complex, and the...
9.
Crosby J, Hergum T, Remme E, Torp H
IEEE Trans Ultrason Ferroelectr Freq Control
. 2009 Mar;
56(2):326-33.
PMID: 19251519
We have examined the effect of incorporating tissue anisotropy in simulated ultrasound images of the heart. In simulation studies, the cardiac muscle (myocardium) is usually modeled as a cloud of...
10.
Crosby J, Amundsen B, Hergum T, Remme E, Langeland S, Torp H
Ultrasound Med Biol
. 2008 Dec;
35(3):458-71.
PMID: 19056164
Speckle tracking in 2-D ultrasound images has become an established tool for assessment of left ventricular function. The recent development of ultrasound systems with capability to acquire real-time full volume...