Claas' Publications

C. Bontus, J. Rahmer, B. Gleich, J. Weizenecker, J. Borgert, Cardiac MPI of Mice over the Complete Heart Cycle, IEEE Medical Imaging Conference, Orlando, Florida (2009)

S. M. W. Y. van de Ven, S. G. Elias, A. J. Wiethoff, M. van der Voort, T. Nielsen, B. Brendel, C. Bontus, F. Uhlemann, R. Nachabe, R. Harbers, M. van Beek, L. Bakker, M. B. van der Mark, P. Luijten, W. P. Th. M. Mali, Diffuse optical tomography of the breast: preliminary findings of a new prototype and comparison with magnetic resonance imaging European Radiology, 19(5) (2009) 1108-1113

C. Schirra, C. Bontus, U. van Stevendaal, O. Dössel, M. Grass, Improvement of cardiac CT reconstruction using local motion vector fields Computerized Medical Imaging and Graphics, 33 (2009) 122-130

C. Bontus, Th. Köhler, Reconstruction Algorithms for Computed Tomography, P. Hawkes (ed.), Advances in Imaging and Electron Physics, 151, pp. 1-63, Academic Press (Elsevier), San Diego (2008)

Th. Köhler, B. Schreiber, C. Bontus, M. Grass, R. Proksa, Pi-Partner based motion detection and motion artifact reduction, IEEE Medical Imaging Conference, Rome, Italy (2004)

C. Bontus, M. Grass, P. Koken, Th. Köhler, Exact Reconstruction Algorithm for Circular Short-Scan CT Combined with a Helical Segment IXth International Meeting on Fully Three-Dimensional Image Reconstruction in Radiology and Nuclear Medicine, Lindau, Germany (2007)

C. Bontus, P. Koken, Th. Köhler, R. Proksa, Circular CT in combination with a helical segment, Physics in Medicine and Biology 52 (2007) 107

C. Bontus, R. Proksa , Th. Köhler, New Saddle Trajectories for CT, IEEE Medical Imaging Conference, San Diego, California (2006)

C. Bontus, P. Koken, Th. Köhler, Circular CT in Combination with a Helical Segment, IEEE Medical Imaging Conference, San Diego, California (2006)

C. Bontus, P. Koken, Th. Köhler, M. Grass, CEnPiT: Helical cardiac CT reconstruction, Medical Physics 33 (2006) 2792

Th. Köhler, C. Bontus, P. Koken, The Radon-split method for helical cone-beam CT and its application to nongated reconstruction, IEEE Transactions on Medical Imaging, 25(7) (2006) 882

C. Bontus, P. Koken, M. Grass, Th. Köhler, R. Proksa, CEnPiT: Helical cardiac CT reconstruction, European Congress of Radioloy 2006, ECR, Vienna, Austria

P. Koken, C. Bontus, Th. Köhler, M. Grass, Cardiac Cone-beam CT Using a Circle and Line Acquisition and an Exact Reconstruction, IEEE Medical Imaging Conference, San Juan, Puerto Rico (2005), pp. 2355-2358

C. Bontus, P. Koken, M. Grass, Th. Köhler, R. Proksa, Circle and Line Scan Acquisition and Reconstruction for Exact Cardiac CT Reconstruction, RSNA, Chicago 2005

C. Bontus, Th. Köhler, R. Proksa, EnPiT: Filtered Back-Projection Algorithm for Helical CT Using an n-Pi Acquisition, IEEE Transactions on Medical Imaging, 24(8) (2005) 977

C. Bontus, P. Koken, M. Grass, Th. Köhler, CEnPiT: Helical cardiac CT reconstruction, VIIIth International Meeting on Fully 3D Image Reconstruction in Radiology and Nuclear Medicine, Salt Lake City, Utah (2005)

Th. Köhler, C. Bontus, P. Koken, A new approach to handle redundant data in helical cone-beam CT, VIIIth International Meeting on Fully 3D Image Reconstruction in Radiology and Nuclear Medicine, Salt Lake City, Utah (2005)

P. Koken, C. Bontus, Th. Köhler, High resolution CT reconstruction algorithm based on exact methods, VIIIth International Meeting on Fully 3D Image Reconstruction in Radiology and Nuclear Medicine, Salt Lake City, Utah (2005)

C. Bontus, Th. Köhler, R. Proksa, EnPiT: A reconstruction algorithm for helical CT, IEEE Medical Imaging Conference, Rome, Italy (2004)

Th. Köhler, B. Schreiber, C. Bontus, M. Grass, R. Proksa, Pi-Partner based motion detection and motion artifact reduction, IEEE Medical Imaging Conference, Rome, Italy (2004)

P. Koken, Th. Köhler, C. Bontus, R. Proksa, Motion Artifact Reduction for Exact Cone-Beam CT Reconstruction Algorithms, IEEE Medical Imaging Conference, Portland, USA (2003)

C. Bontus, Th. Köhler, R. Proksa, A quasiexact reconstruction algorithm for helical CT using a 3-Pi acquisition, Medical Physics 30 (2003) 2493

C. Bontus, Th. Köhler, R. Proksa, Exact and quasi exact CT reconstruction algorithms. Extensions of the Katsevich method, VIIth International Conference on Fully 3D Reconstruction in Radiology and Nuclear Medicine, Saint Malo, France (2003)

Th. Köhler, C. Bontus, K. Brown, D. Heuscher, M. Grass, G. Shechter, R. Proksa, Evaluation of helical cone-beam CT reconstruction algorithms, IEEE Nuclear Science Symposium Conference Record, Norfolk, VA, USA (2002)

Th. Köhler, R. Proksa, C. Bontus, M. Grass, J. Timmer, Artifact Analysis of Approximate Cone-Beam CT Algorithms, Medical Physics 29 (2002) 51

C. Bontus, R. Proksa, J. Timmer, Th. Köhler, M. Grass, Movement artifacts in helical CT cone-beam reconstruction, Proceedings of the Sixth International Meeting on Fully Three-Dimensional Image Reconstruction in Radiology and Nuclear Medicine 2001, Pacific Grove, CA, USA (2001), pp. 199-202

C. Bontus, Th. Köhler, R. Proksa, M. Grass, Biopsy guidance in 4D CT fluoroscopy: A simulation study based on cone-beam CT data, European Congress of Radiology 2001, ECR, Vienna, Austria

C. Bontus, Higher-Twist contributions to deep inelastic structure functions at small x, Ph.D. thesis, Univ. Hamburg 1999

J. Bartels, C. Bontus, First study of twist-four contributions at small x_B and low Q², Proceedings of the 3rd UK Phenomenology Workshop on HERA Physics 1998, published in Journal of Physics G25 (1999) 1501

J. Bartels, C. Bontus, H. Spiesberger, Factorization of Twist-Four Gluon Operator Contributions, hep-ph/9908411

J. Bartels, C. Bontus, An Estimate of Twist-Four Contributions at Small x and Low Q², Physical Review D61 (2000) 34009, hep-ph/9906308

J. Bartels, C. Bontus, Higher twist contributions to structure functions at small x and low Q², Proceedings of the Madrid Workshop on Low x Physics 1997