MedViz – a Research & Development cluster in Bergen. MedViz is a cluster of groups performing interdisciplinary research in advanced image analysis and visualisation bridging the gap between “bench and bedside”. MedViz also includes imaging physics and fundamental biomedical translational research. Our mission is to promote the development of biomedical and clinical imaging technologies with the ultimate goal of improving diagnosis and treatment of patients. MedViz wants to develop new clinical methods for potential commercialisation by means of denovo software for analysis, decision support and visual communication.
MedViz Seminar 12.12.2014

Joint MedViz and Visual Computing Forum Christmas Seminar 12.12.2014

PLACE: MedViz Facilities., Møllendalsbakken 7, 5th floor
TIME   : 12:00-13:30
Bernhard Kainz
Title: Fast volumetric super-resolution reconstruction of organs from moving subjects
Torfinn Taxt (MR) and Radovan Jirik (ultrasound)
Title: New perfusion analysis algorithms for MR and ultrasound
Ivan Viola
Title: Deriving Anatomical Context from 4D Ultrasound
Robert Bjerknes will give a Christmas Greetings as Vice Dean of Research at The Faculty of Medicine and Dentistry


FREE food and beverages for all our guests!

Last Updated on Tuesday, 09 December 2014 14:33

February 2015

Last Updated on Monday, 02 February 2015 12:35
PhD defence Erik A. Hanson

PhD defence for Erik A. Hanson: 4D-images of brain and kidney

10.12.2014, at 13.00.
Place: Auditorium 307 (“pi”), Carl L. Godskes Hus, Johannes Bruns gate 12 (in the vicinity of the Library for natural sciences).

Erik Andreas Hanson will be defending his PhD dissertation, entitled “Image processing methods for 4D magnetic resonance acquisitions from brain and kidney” on Wednesday December 10, 2014 at the University of Bergen.

Magnetic Resonance (MR) tomography makes it possible to make detailed 3D-images of our body. These images can also be recorded over time, resulting in 3D-video (4D-images) of organs and their functions. Physicians can find out quite a lot about a patient by studying these images with the naked eye. It is, however, difficult to systematically catch what is happening in the picture at any given time. By the aid of mathematical models and image analysis the complete 4D-image can be analyzed simultaneously and a lot of extra information can automatically be red from the pictures.  This might e.g. be information about the accurate volume of a kidney, the location of a tumor or brain activity while you are not thinking of anything.

Hanson has during his PhD work looked into a range of problems related to analyses of 4D-MR-images. He has among other things developed automated methods to discover the imaged organs and correction of organ movements during MR-acquisition. He has also studied how mathematical models and MR images together can be applied to characterize the organ functions.  Even though the applications of the methods span from calculation of brain activity to estimation of kidney function, the underlying mathematics has many similarities. Among the mathematical tools applied in the PhD thesis we find both partial differential equations and mathematical graphs.

Erik A. Hanson has been supervised by Professor Alexander Malyshev, Department of Mathematics and Professor Arvid Lundervold, Department of Biomedicine. (See also interview with Erik in MedViz Newsletter from August 2013).

Last Updated on Friday, 05 December 2014 15:46
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