Dirk Schäfer

发表

Motion compensation for non-gated helical CT: application to lung imaging

Michael Grass, Rolf Bippus, Axel Thran, 2018, Medical Imaging.

Motion-compensated and gated cone beam filtered back-projection for 3-D rotational X-ray angiography

Michael Grass, Dirk Schäfer, Volker Rasche, 2006, IEEE Transactions on Medical Imaging.

3D Reconstruction of Coronary Stents in Vivo Based on Motion Compensated X-Ray Angiograms

Michael Grass, Dirk Schäfer, Babak Movassaghi, 2006, MICCAI.

Optimization of acquisition trajectories for 3D rotational coronary venography

Michael Grass, Dirk Schäfer, Jingying Bi, 2009, International Journal of Computer Assisted Radiology and Surgery.

Directional View Interpolation for Compensation of Sparse Angular Sampling in Cone-Beam CT

Matthias Bertram, Dirk Schäfer, Til Aach, 2009, IEEE Transactions on Medical Imaging.

Three-dimensional reconstruction of coronary stents in vivo based on motion compensated x-ray angiography

Michael Grass, Dirk Schäfer, Babak Movassaghi, 2007, SPIE Medical Imaging.

Motion compensation for cone-beam CT based on 4D motion field of sinogram tracked markers

Matthias Bertram, Dirk Schäfer, Georg Rose, 2004, CARS.

FBP and BPF reconstruction methods for circular X-ray tomography with off-center detector.

Michael Grass, Dirk Schäfer, Peter van de Haar, 2011, Medical physics.

Cardiac C-arm computed tomography using a 3D + time ROI reconstruction method with spatial and temporal regularization.

Michael Grass, Dirk Schäfer, Simon Rit, 2014, Medical physics.

Automatic selection of the optimal cardiac phase for gated three-dimensional coronary x-ray angiography.

Michael Grass, Dirk Schäfer, Volker Rasche, 2006, Academic radiology.

Automatic generation of 3D coronary artery centerlines using rotational X-ray angiography

Michael Grass, Dirk Schäfer, Volker Rasche, 2009, Medical Image Anal..

Evaluation of Iterative Sparse Object Reconstruction From Few Projections for 3-D Rotational Coronary Angiography

Michael Grass, Dirk Schäfer, Olaf Dössel, 2008, IEEE Transactions on Medical Imaging.

Model based 3D CS-catheter tracking from 2D X-ray projections: Binary versus attenuation models

Michael Grass, Dirk Schäfer, Olaf Dössel, 2014, Comput. Medical Imaging Graph..

4D coronary artery reconstruction based on retrospectively gated rotational angiography: first in-human results

Michael Grass, Dirk Schäfer, Babak Movassaghi, 2007, SPIE Medical Imaging.

Adjustable EMC test

Dirk Schäfer, Dennis Hasselberg, 2016 .

Method for the determination of the modulation transfer function (MTF) in 3D x-ray imaging systems with focus on correction for finite extent of test objects

Matthias Bertram, Dirk Schäfer, Jens Wiegert, 2007, SPIE Medical Imaging.

MNA site investigations ― comparison of conceptual approaches derived from virtual model scenarios and real site studies

Dirk Schäfer, Sebastian Bauer, Christof Beyer, 2011 .

3D ROI imaging for cone-beam computed tomography

Jürgen Weese, Matthias Bertram, Dirk Schäfer, 2004, CARS.

ECG-gated C-arm computed tomography using L1 regularization

Michael Grass, Dirk Schäfer, Bo Zhang, 2012, 2012 Proceedings of the 20th European Signal Processing Conference (EUSIPCO).

Motion compensated iterative reconstruction of a region of interest in cardiac cone-beam CT

Michael Grass, Dirk Schäfer, Wiro J. Niessen, 2010, Comput. Medical Imaging Graph..

Directional interpolation of sparsely sampled cone-beam CT sinogram data

Matthias Bertram, Dirk Schäfer, Til Aach, 2004, 2004 2nd IEEE International Symposium on Biomedical Imaging: Nano to Macro (IEEE Cat No. 04EX821).

Toughness requirements for plastic design with structural steel

Dirk Schäfer, Björn Eichler, Ioannis Vayas, 2011 .

Low kV rotational 3D x-ray imaging for improved CNR of iodine contrast agent

Michael Grass, Dirk Schäfer, Peter Eshuis, 2012, Medical Imaging.

Motion compensated iterative reconstruction of a cardiac region of interest for CT

Dirk Schäfer, Wiro J. Niessen, Andy Ziegler, 2009 .

Hot-dip-zinc-coating of prefabricated structural steel components

Dirk Schäfer, Thomas Pinger, Markus Feldmann, 2010 .

Automated volume of interest delineation and rendering of cone beam CT images in interventional cardiology

Cristian Lorenz, Michael Grass, Dirk Schäfer, 2012, Medical Imaging.

Automatic optimum phase point selection based on centerline consistency for 3D rotational coronary angiography

Michael Grass, Dirk Schäfer, Olaf Dössel, 2008, International Journal of Computer Assisted Radiology and Surgery.

CLEAN: Preparing for a CO2 -based enhanced gas recovery in a depleted gas field in Germany

Dirk Schäfer, Robert Meyer, Michael Kühn, 2011 .

Improved vessel enhancement for fully automatic coronary modeling

Dirk Schäfer, Raoul Florent, Uwe Jandt, 2009, Medical Imaging.

Limited Angle C-Arm Tomography and Segmentation for Guidance of Atrial Fibrillation Ablation Procedures

Dirk Schäfer, Axel Saalbach, Carsten Meyer, 2012, MICCAI.

The Altmark Natural Gas Field is prepared for the Enhanced Gas Recovery Pilot Test with CO2

Dirk Schäfer, Jochen Großmann, Michael Kühn, 2013 .

Three-dimensional coronary visualization, Part 1: modeling.

Dirk Schäfer, S James Chen, S. J. Chen, 2009, Cardiology clinics.

Automatic generation of time resolved motion vector fields of coronary arteries and 4D surface extraction using rotational x-ray angiography

Michael Grass, Dirk Schäfer, Volker Rasche, 2009, Physics in medicine and biology.

Removing streak artifacts from ECG-gated reconstructions using deconvolution.

Michael Grass, Dirk Schäfer, Simon Rit, 2014, Journal of X-ray science and technology.

High-quality 3-D coronary artery imaging on an interventional C-arm x-ray system.

Michael Grass, Dirk Schäfer, Olaf Dössel, 2010, Medical physics.

Modified Parker weights for super short scan cone beam CT

Michael Grass, Dirk Schäfer, Peter van de Haar, 2017 .