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    BILDMED
    2007
    89views Algorithms» more  BILDMED 2007»
    Semi-automatic Segmentation of the Patellar Cartilage in MRI
    13 years 11 months ago
    Semi-automatic Segmentation of the Patellar Cartilage in MRI
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    A software system for semi-automatic segmentation of the patellar cartilage is introduced. Providing tools for sub-pixel accurate edge tracing, automatic contour completion, and ad...
    Lorenz König, Martin Groher, Andreas Keil, Ch...
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    BILDMED
    2008
    53views Algorithms» more  BILDMED 2008»
    Microbubble Oscillation due to Harmonic, Pulsed and Frequency Modulated Excitation with Ultrasound
    13 years 11 months ago
    Microbubble Oscillation due to Harmonic, Pulsed and Frequency Modulated Excitation with Ultrasound
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    Abstract. Improved visualization of blood vessels by ultrasound contrast agents requires insonation that is adapted to the dynamics of the contrast agent bubbles. To evaluate the i...
    Tobias Gehrke, Heinrich M. Overhoff
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    BILDMED
    2007
    112views Algorithms» more  BILDMED 2007»
    Evaluation of Electromagnetic Error Correction Methods
    13 years 11 months ago
    Evaluation of Electromagnetic Error Correction Methods
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    Abstract. Electromagnetic tracking is currently the only available technology to track flexible instruments inside the human body without the use of real time imaging technology s...
    Jörg Traub, Sukhbansbir Kaur, Peter Kneschaur...
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    BILDMED
    2008
    124views Algorithms» more  BILDMED 2008»
    Simulation of Contrast Agent Enhanced Ultrasound Imaging Based on Field II
    13 years 11 months ago
    Simulation of Contrast Agent Enhanced Ultrasound Imaging Based on Field II
    Download  sunsite.informatik.rwth-aachen.de
    Pulse-echo ultrasound signal formation can be simulated by numerical emulation of the process chain: emit signal
    Tobias Gehrke, Heinrich M. Overhoff
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    BILDMED
    2008
    188views Algorithms» more  BILDMED 2008»
    4D Endocardial Segmentation Using Spatio-temporal Appearance Models and Level Sets
    13 years 11 months ago
    4D Endocardial Segmentation Using Spatio-temporal Appearance Models and Level Sets
    Download  sunsite.informatik.rwth-aachen.de
    In this paper a framework for the segmentation of cardiac MR image sequences using spatio-temporal appearance models is presented. The method splits the 4D space into 2 separate su...
    Karl D. Fritscher, Rainer Schubert
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    BILDMED
    2007
    108views Algorithms» more  BILDMED 2007»
    Surgical Cutting on a Multimodal Object Representation
    13 years 11 months ago
    Surgical Cutting on a Multimodal Object Representation
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    In this paper, we present the design of our surgery simulator under the aspects of multimodal object representation and parallelization on multicore architectures. Special focus is...
    Lenka Jerábková, Torsten Kuhlen
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    BILDMED
    2008
    138views Algorithms» more  BILDMED 2008»
    Level Set Segmentation of Lumbar Vertebrae Using Appearance Models
    13 years 11 months ago
    Level Set Segmentation of Lumbar Vertebrae Using Appearance Models
    Download  sunsite.informatik.rwth-aachen.de
    For the planning of surgical interventions of the spine exact knowledge about 3D shape and the local bone quality of vertebrae are of great importance in order to estimate the anch...
    Karl D. Fritscher, Stefan Leber, Werner Schmö...
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    BILDMED
    2007
    115views Algorithms» more  BILDMED 2007»
    A New Approach to Ultrasound Guided Radio-Frequency Needle Placement
    13 years 11 months ago
    A New Approach to Ultrasound Guided Radio-Frequency Needle Placement
    Download  sunsite.informatik.rwth-aachen.de
    The transformation from an ultrasound (US) image plane to the coordinate system of a position sensor attached to the US transducer can be computed with US calibration algorithms. T...
    Claudio Alcérreca, Jakob Vogel, Marco Feuer...
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    BILDMED
    2008
    111views Algorithms» more  BILDMED 2008»
    Simultaneous Model-Based Segmentation of Multiple Objects
    13 years 11 months ago
    Simultaneous Model-Based Segmentation of Multiple Objects
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    Deformable models are used for the segmentation of objects in 3D images by adapting flexible meshes to image structures. The simultaneous segmentation of multiple objects often cau...
    Astrid Franz, Robin Wolz, Tobias Klinder, Cristian...
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    BILDMED
    2007
    112views Algorithms» more  BILDMED 2007»
    Fully-Automatic Correction of the Erroneous Border Areas of an Aneurysm
    13 years 11 months ago
    Fully-Automatic Correction of the Erroneous Border Areas of an Aneurysm
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    Abstract. Volume representations of blood vessels acquired by 3D rotational angiography are very suitable for diagnosing an aneurysm. We presented a fully-automatic aneurysm labell...
    Jan Bruijns, Frans J. Peters, Robert-Paul Berretty...
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