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Dr. Almar Klein
at Univ Twente
SPIE Involvement:
Author
Publications (5)
Proceedings Article | 3 March 2017 Paper
Validation of an image registration and segmentation method to measure stent graft motion on ECG-gated CT using a physical dynamic stent graft model
Proceedings Volume 10134, 1013418 (2017) https://doi.org/10.1117/12.2254262
KEYWORDS: 4D CT imaging, Vascular imaging, Motion measurement, Device simulation, Image processing algorithms and systems, Data modeling, Image registration, Image segmentation, Computed tomography, Detection and tracking algorithms, Motion models, Scanners, Motion detection, Cameras, Temporal resolution
Proceedings Article | 14 April 2012 Paper
A comparison of two methods to segment stent grafts in CT data
Almar Klein, Michel Klaassen, Luuk Oostveen, J. Adam van der Vliet, Yvonne Hoogeveen, Leo Schultze Kool, W. KlaasJan Renema, Cornelis Slump
Proceedings Volume 8317, 83170H (2012) https://doi.org/10.1117/12.911296
KEYWORDS: 3D modeling, Microchannel plates, Image segmentation, Data modeling, Computed tomography, Failure analysis, Motion models, Detection and tracking algorithms, 3D image processing, Corner detection
Proceedings Article | 12 March 2011 Paper
Multimodal image registration by edge attraction and regularization using a B-spline grid
Almar Klein, Dirk-Jan Kroon, Yvonne Hoogeveen, Leo Schultze Kool, W. Klaas Jan Renema, Cornelis Slump
Proceedings Volume 7962, 796220 (2011) https://doi.org/10.1117/12.878267
KEYWORDS: Image registration, Image processing, Diffusion, Medical imaging, Image restoration, Image analysis, Analog electronics, Magnetic resonance imaging, Visualization, Medical diagnostics
Proceedings Article | 14 March 2009 Paper
Diagnostic quality of time-averaged ECG-gated CT data
Almar Klein, Luuk Oostveen, Marcel J. Greuter, Yvonne Hoogeveen, Leo Schultze Kool, Cornelis Slump, W. Klaas Jan Renema
Proceedings Volume 7258, 725836 (2009) https://doi.org/10.1117/12.807271
KEYWORDS: Modulation transfer functions, Computed tomography, Electrocardiography, Scanners, Diagnostics, Phase shift keying, Visualization, Data acquisition, Image quality, Spatial frequencies
Proceedings Article | 3 April 2008 Paper
A segmentation method for stentgrafts in the abdominal aorta from ECG-gated CTA data
Almar Klein, W. KlaasJan Renema, Luuk Oostveen, Leo Schultze Kool, Cornelis Slump
Proceedings Volume 6916, 69160R (2008) https://doi.org/10.1117/12.770064
KEYWORDS: Image segmentation, Detection and tracking algorithms, Computed tomography, Image processing algorithms and systems, Metals, Hemodynamics, Visualization, Databases, Safety, Medical imaging
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