Kristoffersen K - Search Results

1

Velocity matched spectrum analysis: a new method for suppressing velocity ambiguity in pulsed-wave Doppler.

Torp H, Kristoffersen K. Torp H, et al. Among authors: kristoffersen k. Ultrasound Med Biol. 1995;21(7):937-44. doi: 10.1016/0301-5629(95)00039-t. Ultrasound Med Biol. 1995. PMID: 7491748

2

Cross sectional early mitral flow velocity profiles from colour Doppler.

Samstad SO, Torp HG, Linker DT, Rossvoll O, Skjaerpe T, Johansen E, Kristoffersen K, Angelsen BA, Hatle L. Samstad SO, et al. Among authors: kristoffersen k. Br Heart J. 1989 Sep;62(3):177-84. doi: 10.1136/hrt.62.3.177. Br Heart J. 1989. PMID: 2789910 Free PMC article.

3

Clutter filter design for ultrasound color flow imaging.

Bjaerum S, Torp H, Kristoffersen K. Bjaerum S, et al. Among authors: kristoffersen k. IEEE Trans Ultrason Ferroelectr Freq Control. 2002 Feb;49(2):204-16. doi: 10.1109/58.985705. IEEE Trans Ultrason Ferroelectr Freq Control. 2002. PMID: 11885678

4

Clutter filters adapted to tissue motion in ultrasound color flow imaging.

Bjaerum S, Torp H, Kristoffersen K. Bjaerum S, et al. Among authors: kristoffersen k. IEEE Trans Ultrason Ferroelectr Freq Control. 2002 Jun;49(6):693-704. doi: 10.1109/tuffc.2002.1009328. IEEE Trans Ultrason Ferroelectr Freq Control. 2002. PMID: 12075963

5

Real-time adaptive clutter rejection filtering in color flow imaging using power method iterations.

Løvstakken L, Bjaerum S, Kristoffersen K, Haaverstad R, Torp H. Løvstakken L, et al. Among authors: kristoffersen k. IEEE Trans Ultrason Ferroelectr Freq Control. 2006 Sep;53(9):1597-608. doi: 10.1109/tuffc.2006.1678188. IEEE Trans Ultrason Ferroelectr Freq Control. 2006. PMID: 16964910

6

Reducing color flow artifacts caused by parallel beamforming.

Hergum T, Bjastad T, Lovstakken L, Kristoffersen K, Torp H. Hergum T, et al. Among authors: kristoffersen k. IEEE Trans Ultrason Ferroelectr Freq Control. 2010 Apr;57(4):830-8. doi: 10.1109/TUFFC.2010.1488. IEEE Trans Ultrason Ferroelectr Freq Control. 2010. PMID: 20378446

7

Adaptive Color Gain for Vena Contracta Quantification in Valvular Regurgitation.

Kozlowski P, Rodriguez-Molares A, Tangen TA, Kristoffersen K, Torp H, Gerard O, Samset E. Kozlowski P, et al. Among authors: kristoffersen k. Ultrasound Med Biol. 2018 Aug;44(8):1770-1777. doi: 10.1016/j.ultrasmedbio.2018.04.002. Epub 2018 May 18. Ultrasound Med Biol. 2018. PMID: 29779888

8

Parallel beamforming using synthetic transmit beams.

Hergum T, Bjåstad T, Kristoffersen K, Torp H. Hergum T, et al. Among authors: kristoffersen k. IEEE Trans Ultrason Ferroelectr Freq Control. 2007 Feb;54(2):271-80. doi: 10.1109/tuffc.2007.241. IEEE Trans Ultrason Ferroelectr Freq Control. 2007. PMID: 17328324

9

Predictive analog to digital conversion of Doppler ultrasound signals.

Bøe S, Kristoffersen K. Bøe S, et al. Among authors: kristoffersen k. IEEE Trans Biomed Eng. 1995 Mar;42(3):260-8. doi: 10.1109/10.364512. IEEE Trans Biomed Eng. 1995. PMID: 7698781

10

Methodology and basic problems related to blood flow studies in the human fetus.

Eik-Nes SH, Marsál K, Kristoffersen K. Eik-Nes SH, et al. Among authors: kristoffersen k. Ultrasound Med Biol. 1984 May-Jun;10(3):329-37. doi: 10.1016/0301-5629(84)90167-4. Ultrasound Med Biol. 1984. PMID: 6235656

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