Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Stefan Wundrak"'
Publikováno v:
International Journal of Virtual Reality. 5:39-46
In this article we propose an architecture for the inclusion and exploitation of semantic aspects in a CAD environment. Our schema focuses on the enhancement and improvement of a commercial (general purpose) CAD system on its Virtual Reality (VR) cap
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::49805608f90ffca8ba781da511e47020
https://doi.org/10.20870/ijvr.2006.5.4.3243
https://doi.org/10.20870/ijvr.2006.5.4.3243
Publikováno v:
Magnetic resonance in medicineREFERENCES. 84(5)
Purpose To investigate the applicability of a 2D‐UTE half‐pulse sequence for dental overview imaging and the detection of signal from mineralized dental tissue and caries lesions with ultra‐short T2∗ as an efficient alternative to 3D sequence
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a19f86dc36ec950c256bca902b0c2d63
https://pubmed.ncbi.nlm.nih.gov/32390153
https://pubmed.ncbi.nlm.nih.gov/32390153
Publikováno v:
Journal of Magnetic Resonance Imaging. 44:1218-1228
PURPOSE To investigate the impact of respiratory motion on radial tissue phase mapping (TPM) measurements, and to improve image quality and scan efficiency without compromising velocity fidelity by increasing the respiratory acceptance window with an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c4f27e31bc7621cad0858a2005228036
https://doi.org/10.1002/jmri.25286
https://doi.org/10.1002/jmri.25286
Autor:
Andrea Bianchi, Detlef Stiller, Volker Rasche, Wolfgang Rottbauer, Jan Paul, Marta Tibiletti, Stefan Wundrak
Publikováno v:
Magnetic Resonance in Medicine. 75:1324-1332
Purpose To combine image-based self-gating (img-SG) with ultrashort echo time (UTE) three-dimensional (3D) acquisition for multistage lung imaging during free breathing. Methods Three k-space ordering schemes (modified spiral pattern, quasirandom num
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7504a905cf66b01c1d6d671de1f498bf
https://doi.org/10.1002/mrm.25673
https://doi.org/10.1002/mrm.25673
Autor:
Stefan Wundrak, Jan Paul, Wolfgang Rottbauer, Margrit-Ann Geibel, Johannes Ulrici, Peter Bernhardt, Volker Rasche, Erich Hell
Publikováno v:
Magnetic Resonance in Medicine. 76:919-925
Purpose To develop a self-gating method capable of assessing nonuniform motion, e.g., in cardiovascular magnetic resonance imaging of patients with severe arrhythmia, or for imaging of the temporomandibular joint. Methods The proposed method allows c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ca59c3be60556581c56434d6933e42bd
https://doi.org/10.1002/mrm.26000
https://doi.org/10.1002/mrm.26000
Autor:
Erich Hell, Peter Bernhardt, Stefan Wundrak, Margrit-Ann Geibel, Jan Paul, Volker Rasche, Johannes Ulrici, Wolfgang Rottbauer
Publikováno v:
Magnetic Resonance in Medicine. 75:2372-2378
Purpose The combination of fully balanced SSFP sequences with iterative golden angle radial sparse parallel (iGRASP) MRI leads to strong image artifacts due to eddy currents caused by the large angular increment of the golden angle ordering. The purp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4351abe3a0a9120bece44f805f1fc38f
https://doi.org/10.1002/mrm.25831
https://doi.org/10.1002/mrm.25831
Publikováno v:
Magnetic Resonance in Medicine. 75:789-800
Purpose To investigate the combination of Golden Angle Radial Sparse SENSE reconstruction with image-based self-gating (SG) for deriving high-quality TPM data from radial golden angle (GA) k-space data. Methods In 10 healthy volunteers, a self-gated
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8062f4da4f5b540d74c220097f858241
https://doi.org/10.1002/mrm.25669
https://doi.org/10.1002/mrm.25669
Publikováno v:
IEEE transactions on medical imaging. 37(2)
Magnetic resonance imaging of short relaxation time spin systems has been a widely discussed topic with serious clinical applications and led to the emergence of fast imaging ultra-short echo-time sequences. Nevertheless, these sequences suffer from
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d1cfbc7ba4a2a31ba701b507025c8779
https://pubmed.ncbi.nlm.nih.gov/28991736
https://pubmed.ncbi.nlm.nih.gov/28991736
Autor:
Marta, Tibiletti, Andrea, Bianchi, Åsmund, Kjørstad, Stefan, Wundrak, Detlef, Stiller, Volker, Rasche
Publikováno v:
Magnetic resonance in medicine. 78(2)
To investigate retrospective respiratory gating of three-dimensional ultrashort echo time (3D UTE) lung acquisition in free-breathing rats using k-space center self gating signal (DC-SG) and 3D image-based SG (3D-Img-SG).Seven rats were investigated
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::0d8ff5924649df08530abd17a519e801
https://pubmed.ncbi.nlm.nih.gov/27663453
https://pubmed.ncbi.nlm.nih.gov/27663453
Publikováno v:
Journal of magnetic resonance imaging : JMRI. 44(5)
To investigate the impact of respiratory motion on radial tissue phase mapping (TPM) measurements, and to improve image quality and scan efficiency without compromising velocity fidelity by increasing the respiratory acceptance window with and withou
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::33fc4f30591728d7b0ba044651e9d2f5
https://pubmed.ncbi.nlm.nih.gov/27086896
https://pubmed.ncbi.nlm.nih.gov/27086896