Johansen TF - Search Results

1

Ultrasound imaging in neurosurgery: approaches to minimize surgically induced image artefacts for improved resection control.

Selbekk T, Jakola AS, Solheim O, Johansen TF, Lindseth F, Reinertsen I, Unsgård G. Selbekk T, et al. Among authors: johansen tf. Acta Neurochir (Wien). 2013 Jun;155(6):973-80. doi: 10.1007/s00701-013-1647-7. Epub 2013 Mar 5. Acta Neurochir (Wien). 2013. PMID: 23459867 Free PMC article.

2

Intrasellar ultrasound in transsphenoidal surgery: a novel technique.

Solheim O, Selbekk T, Løvstakken L, Tangen GA, Solberg OV, Johansen TF, Cappelen J, Unsgård G. Solheim O, et al. Among authors: johansen tf. Neurosurgery. 2010 Jan;66(1):173-85; discussion 185-6. doi: 10.1227/01.NEU.0000360571.11582.4F. Neurosurgery. 2010. PMID: 20023548 Clinical Trial.

3

Utilizing dual frequency band transmit pulse complexes in medical ultrasound imaging.

Hansen R, Måsoy SE, Johansen TF, Angelsen BA. Hansen R, et al. Among authors: johansen tf. J Acoust Soc Am. 2010 Jan;127(1):579-87. doi: 10.1121/1.3257584. J Acoust Soc Am. 2010. PMID: 20059003

4

Minimum variance beamforming applied to ultrasound imaging with a partially shaded aperture.

Mehdizadeh S, Austeng A, Johansen TF, Holm S. Mehdizadeh S, et al. Among authors: johansen tf. IEEE Trans Ultrason Ferroelectr Freq Control. 2012 Apr;59(4):683-93. doi: 10.1109/TUFFC.2012.2246. IEEE Trans Ultrason Ferroelectr Freq Control. 2012. PMID: 22547279

5

Transsellar Ultrasound in Pituitary Surgery With a Designated Probe: Early Experiences.

Solheim O, Johansen TF, Cappelen J, Unsgård G, Selbekk T. Solheim O, et al. Among authors: johansen tf. Oper Neurosurg (Hagerstown). 2016 Jun 1;12(2):128-134. doi: 10.1227/NEU.0000000000001108. Oper Neurosurg (Hagerstown). 2016. PMID: 29506091

6

SURF imaging: in vivo demonstration of an ultrasound contrast agent detection technique.

Masoy SE, Standal O, Nasholm P, Johansen TF, Angelsen B, Hansen R. Masoy SE, et al. Among authors: johansen tf. IEEE Trans Ultrason Ferroelectr Freq Control. 2008 May;55(5):1112-21. doi: 10.1109/TUFFC.2008.763. IEEE Trans Ultrason Ferroelectr Freq Control. 2008. PMID: 18519219

7

Eigenspace based minimum variance beamforming applied to ultrasound imaging of acoustically hard tissues.

Mehdizadeh S, Austeng A, Johansen TF, Holm S. Mehdizadeh S, et al. Among authors: johansen tf. IEEE Trans Med Imaging. 2012 Oct;31(10):1912-21. doi: 10.1109/TMI.2012.2208469. Epub 2012 Aug 1. IEEE Trans Med Imaging. 2012. PMID: 22868562

8

Transmit beams adapted to reverberation noise suppression using dual-frequency SURF imaging.

Näsholm SP, Hansen R, Måsøy SE, Johansen TF, Angelsen BA. Näsholm SP, et al. Among authors: johansen tf. IEEE Trans Ultrason Ferroelectr Freq Control. 2009 Oct;56(10):2124-33. doi: 10.1109/TUFFC.2009.1295. IEEE Trans Ultrason Ferroelectr Freq Control. 2009. PMID: 19942500

9

Analysis of acoustic impedance matching in dual-band ultrasound transducers.

Myhre OF, Johansen TF, Johan Angelsen BA. Myhre OF, et al. Among authors: johansen tf. J Acoust Soc Am. 2017 Feb;141(2):1170. doi: 10.1121/1.4976096. J Acoust Soc Am. 2017. PMID: 28253686

10

Correction of ultrasonic wave aberration with a time delay and amplitude filter.

Måsøy SE, Johansen TF, Angelsen B. Måsøy SE, et al. Among authors: johansen tf. J Acoust Soc Am. 2003 Apr;113(4 Pt 1):2009-20. doi: 10.1121/1.1559174. J Acoust Soc Am. 2003. PMID: 12703712

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