Search Results - "Torheim, G"

Feature extraction and classification of dynamic contrast-enhanced T2-weighted breast image data by Torheim, G., Godtliebsen, F., Axelson, D., Kvistad, K.A., Haraldseth, A., Rinck, P.A.

“…The relatively low specificity of dynamic contrast-enhanced T1-weighted magnetic resonance imaging (MR) imaging of breast cancer has lead several groups to…”
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New intravascular contrast agent applied to dynamic contrast enhanced MR imaging of human breast cancer by Rydland, J, BjØrnerud, A, Haugen, O, Torheim, G, Torres, C, Kvistad, K A, Haraldseth, O

“…To evaluate the feasibility of using dynamic contrast-enhanced MR imaging with a new intravascular contrast agent in grading human breast cancer. 23 patients…”
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An estimator for functional data with application to MRI by Godtliebseu, F., Chih-Kang Chu, Sorbye, S.H., Torheim, G.

“…The authors propose a method for restoring the underlying true signal in noisy functional images. The Nadaraya-Watson (NW) estimator described in, e.g., G. S…”
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An independent software system for the analysis of dynamic MR images by Torheim, G, Lombardi, M, Rinck, P A

“…A computer system for the manual, semi-automatic, and automatic analysis of dynamic MR images was to be developed on UNIX and personal computer platforms. The…”
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Perfusion abnormalities in pulmonary embolism studied with perfusion MRI and ventilation-perfusion scintigraphy: An intra-modality and inter-modality agreement study by Amundsen, Tore, Torheim, Geir, Kvistad, Kjell A., Waage, Anders, Bjermer, Leif, Nordlid, Knut K., Johnsen, Harald, Åsberg, Arne, Haraldseth, Olav

“…Purpose To compare perfusion magnetic resonance imaging (MRI) and ventilation‐perfusion scintigraphy (V‐P scan) in the study of perfusion abnormalities in…”
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Perfusion magnetic resonance imaging of the lung: Characterization of pneumonia and chronic obstructive pulmonary disease. A feasibility study by Amundsen, Tore, Torheim, Geir, Waage, Anders, Bjermer, Leif, Steen, Per A., Haraldseth, Olav

“…Perfusion magnetic resonance (MR) imaging is a promising new method for detection of perfusion defects in the diagnosis of pulmonary embolism. In the present…”
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Analysis of contrast-enhanced dynamic MR images of the lung by Torheim, Geir, Amundsen, Tore, Rinck, Peter A., Haraldseth, Olav, Sebastiani, Giovanni

“…Recent studies have demonstrated the potential of dynamic contrast‐enhanced magnetic resonance imaging (MRI) describing pulmonary perfusion. However, breathing…”
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Use of the mean transit time of an intravascular contrast agent as an exchange-insensitive index of myocardial perfusion by Lombardi, Massimo, Jones, Richard A., Westby, Jørgen, Torheim, Geir, Southon, Timothy E., Haraldseth, Olav, Michelassi, Claudio, Kvaerness, Jørn, Rinck, Peter A., L'Abbate, Antonio

“…A simple two‐compartment model was used to study the effects of water exchange on the signal produced by an inversion recovery prepared rapid gradient‐echo…”
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MRI for the evaluation of regional myocardial perfusion in an experimental animal model by Lombardi, M, Jones, R A, Westby, J, Kvaerness, J, Torheim, G, Michelassi, C, L'Abbate, A, Rinck, P A

“…Myocardial perfusion was assessed in nine pigs using ultrafast gradient-echo MRI (.5 T, 15-mT/m gradients) at different levels of myocardial blood flow (range,…”
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Image postprocessing and contrast agents in clinical MR imaging--an introductory overview by Rinck, P A, Torheim, G, Lombardi, M

“…Some fundamentals of image processing, its applications to MR imaging, and inherent problems are discussed. Processing of contrast-enhanced dynamic imaging…”
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Relationship between function and perfusion early after acute myocardial infarction by Lombardi, M, Kvaerness, J, Torheim, G, Soma, J, Cellerini, F, Consalvo, M, Landini, M C, Cecchi, C A, Michelassi, C, Skjaerpe, T, Jones, R A, Rinck, P A, L'Abbate, A

“…To assess the relationship between baseline left ventricle function, functional reserve and resting myocardial perfusion in patients with acute myocardial…”
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