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BILDMED
2009
167views Algorithms» more  BILDMED 2009»
13 years 11 months ago
Landmark-Based 3D Elastic Registration of Pre- and Postoperative Liver CT Data
The qualitative and quantitative comparison of pre- and postoperative image data is an important possibility to validate computer assisted surgical procedures. Due to deformations ...
Thomas Lange, Stefan Wörz, Karl Rohr, Peter-M...
BILDMED
2009
143views Algorithms» more  BILDMED 2009»
13 years 11 months ago
Landmark Constrained Non-parametric Image Registration with Isotropic Tolerances
Abstract. The incorporation of additional user knowledge into a nonrigid registration process is a promising topic in modern registration schemes. The combination of intensity base...
Nils Papenberg, Janine Olesch, Thomas Lange, Peter...
BILDMED
2009
125views Algorithms» more  BILDMED 2009»
13 years 11 months ago
Contrast Enhancement with Dual Energy CT for the Assessment of Atherosclerosis
A drawback of the commonly used single source computed tomography systems (CT) is that different materials might show very similar attenuation at any selected radiation energy. How...
Stefan C. Saur, Hatem Alkadhi, Luca Regazzoni, Sim...
BILDMED
2009
161views Algorithms» more  BILDMED 2009»
13 years 11 months ago
Estimation of Inner Lung Motion Fields by Non-linear Registration
Abstract. Detailed analysis of breathing dynamics, as motivated by radiotherapy of lung tumors, requires accurate estimates of inner lung motion fields. We present an evaluation an...
René Werner, Jan Ehrhardt, Alexander Schmid...
BILDMED
2009
217views Algorithms» more  BILDMED 2009»
13 years 7 months ago
Evaluation Scheme for a Positron Emission Tomography System Used in Monitoring of Radiation Therapy
Abstract. Positron emission tomography (PET) is used for independent monitoring of dose delivery in ion therapy. An in-beam PET scanner registers the annihilation γ-rays following...
Georgy Shakirin, Fine Fiedler, Wolfgang Enghardt