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BILDMED
2009
217views Algorithms» more  BILDMED 2009»
9 years 5 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
BILDMED
2009
152views Algorithms» more  BILDMED 2009»
9 years 5 months ago
Triple-Modality Normalized Mutual Information Based Medical Image Registration of Cardiac PET/CT and SPECT Images
Abstract. An extension of the normalized mutual information similarity measurement was proposed to register cardiac PET/CT and SPECT images representing coronary artery disease in ...
Laszlo Papp, Maaz Zuhayra, Reinhard Koch
BILDMED
2009
170views Algorithms» more  BILDMED 2009»
9 years 9 months ago
Fuzzy Multiscale Region Growing for Segmentation of MR Images of the Human Brain
We propose an automatic region growing technique for the segmentation of the cerebral cortex and white matter in MRI data. Our method exploits general anatomical knowledge and uses...
Karin Engel, Frederik Maucksch, Anja Perlich, Matt...
BILDMED
2009
215views Algorithms» more  BILDMED 2009»
9 years 9 months ago
Texture-Based Polyp Detection in Colonoscopy
Colonoscopy is one of the best methods for screening colon cancer. A variety of research groups have proposed methods for automatic detection of polyps in colonoscopic images to su...
Stefan Ameling, Stephan Wirth, Dietrich Paulus, Ge...
BILDMED
2009
161views Algorithms» more  BILDMED 2009»
9 years 9 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
111views Algorithms» more  BILDMED 2009»
9 years 9 months ago
Model-Based Characterization of Mammographic Masses
Abstract. The discrimination of benign and malignant types of mammographic masses is a major challenge for radiologists. The classic eigenfaces method was recently adapted for the ...
Sven-René von der Heidt, Matthias Elter, Th...
BILDMED
2009
180views Algorithms» more  BILDMED 2009»
9 years 9 months ago
Automatic Needle Segmentation in 3D Ultrasound Data Using a Hough Transform Approach
Segmentation in ultrasound data is a very challenging field of research in medical image processing. This article presents a method for automatic segmentation of biopsy needles and...
Philipp Hartmann, Matthias Baumhauer, Jens Rasswei...
BILDMED
2009
230views Algorithms» more  BILDMED 2009»
9 years 9 months ago
Analysis of 2D Phase Contrast MRI in Renal Arteries by Self Organizing Maps
We present an approach based on self organizing maps to segment renal arteries from 2D PC Cine MR images to measure blood velocity and flow. Such information are important in gradi...
Frank Zöllner, Lothar R. Schad
BILDMED
2009
162views Algorithms» more  BILDMED 2009»
9 years 9 months ago
Binary Segmentation Masks for Registration of Bone Structures in CT Images
Rigid registration of bone structures in stacks of CT images can be improved by using a binary segmentation mask for the registration compared to using the segmented grey values di...
Oleg Museyko, Fabian Eisa, Andreas Hess, Peter Zer...
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