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Conference Chair: Marc Kachelrieß (German Cancer Research Center, DKFZ) CT Meeting 2020 Program The 6 th International Meeting on Image Formation in X-Ray Computed Tomography August 3 - August 7, 2020, Regensburg (virtual only), Germany

CT Meeting 2020 Program · Poster Session 1 Poster FF + 35 posters (Page 70) Poster Session 2 Poster FF + 36 posters (Page 256) Poster Session 3 Poster FF + 36 ... Diagnostic and

Jul 19, 2020



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  • Conference Chair:

    Marc Kachelrieß (German Cancer Research Center, DKFZ)

    CT Meeting 2020 Program

    The 6th International Meeting on

    Image Formation in X-Ray Computed Tomography

    August 3 - August 7, 2020, Regensburg (virtual only), Germany

  • The 6th International Conference on Image Formation in X-Ray Computed Tomography

    The 6th International Conference on Image Formation inX-Ray Computed Tomography is supported by:


    Siemens Healthineers

    Varian Medical Systems

    Ziehm Imaging

    We thank our sponsors for theirimportant and valuable contributions!


  • The 6th International Conference on Image Formation in X-Ray Computed Tomography

    We would like to thank the members of the scientific committee for their great workby taking the opportunity to mention them in alphabetical order:

    Scientific Committee

    Name Institution

    Adam Wang Stanford University, USA

    Bruno De Man GE Research, USA

    Cristian T. Badea Duke University, USA

    Cyril Riddell GE Healthcare, France

    Emil Y. Sidky University of Chicago, USA

    Frédéric Noo University of Utah School of Medicine, USA

    Ge Wang Rensselaer Polytechnic Institute, USA

    Guang-Hong Chen University of Wisconsin-Madison, USA

    Günter Lauritsch Siemens Healthineers, Germany

    Hengyong Yu University of Massachusetts Lowell, USA

    Hiroyuki Kudo University of Tsukuba, Japan

    Hongbing Lu Fourth Military Medical University, China

    Ioannis Sechopoulos Radboud University Medical Center, The Netherlands

    J. Webster Stayman Johns Hopkins School of Medicine, USA

    Jeffrey A. Fessler University of Michigan, USA

    Jeffrey H. Siewerdsen Johns Hopkins University School of Medicine, USA

    Jerome Liang Stony Brook University, USA

    Jing Wang University of Texas Southwestern Medical Center, USA

    Jingyan Xu Johns Hopkins University, USA

    Johan Nuyts KU Leuven, Belgium

    John Boone University of California, Davis, USA

    Jongduk Baek Yonsei University, South Korea

    Karl Stierstorfer Siemens Healthineers, Germany

    Katsuyuki Taguchi Johns Hopkins University School of Medicine, USA

    Ke Li University of Wisconsin-Madison, USA

    Ken Sauer University of Notre Dame, USA


  • The 6th International Conference on Image Formation in X-Ray Computed Tomography

    Kirsten Boedeker Canon Medical Systems Corporation

    Lifeng Yu Mayo Clinic, USA

    Mats Danielsson KTH Royal Institute of Technology, Sweden

    Michael McNitt-Gray David Geffen School of Medicine at UCLA, USA

    Norbert Pelc Stanford University, USA

    Pascal Paysan Varian Medical Systems Imaging Lab, Switzerland

    Peter B. Noël University of Pennsylvania, USA

    Rongping Zeng U.S. Food and Drug Administration, USA

    Scott Hsieh Mayo Clinic, USA

    Srinivasan Vedantham University of Arizona, USA

    Stanislav Žabić UIH America, Inc., USA

    Stefan Sawall German Cancer Research Center, Germany

    Taly Gilat-Schmidt Marquette University, USA

    Thomas Flohr Siemens Healthineers, Germany

    Thomas Koehler Philips Research Hamburg, Germany

    Thomas Koenig Ziehm Imaging, Germany

    Tobias Lasser Technical University of Munich, Germany

    Wenli Wang Avant Tomography Consulting LLC, USA

    Xiaochuan Pan University of Chicago, USA

    Xun Jia University of Texas Southwestern Medical Center, USA

    Yuxiang Xing Tsinghua University, China

    Zhicong Yu Accuray, USA

    Zhou Yu Canon Medical Research Institute, USA

    Zhye Yin GE Research, USA


  • The 6th International Conference on Image Formation in X-Ray Computed Tomography

    Organization Committee

    Name Institute

    Andrea Kachelrieß SHPCI

    Carlo Amato DKFZ

    Jan Kuntz DKFZ, SHPCI

    Joscha Maier DKFZ, SHPCI

    Julien Erath DKFZ, SHPCI

    Laura Klein DKFZ

    Marc Kachelrieß DKFZ, SHPCI

    Markus Susenburger DKFZ, SHPCI

    Philip Trapp DKFZ, SHPCI

    Stefan Sawall DKFZ, SHPCI

    Tim Vöth DKFZ, SHPCI

    DKFZ = German Cancer Research CenterSHPCI = Society of High Performance Computational Imaging


  • The 6th International Conference on Image Formation in X-Ray Computed Tomography

    Schedule CT Meeting 2020

    MondayAugust 3

    TuesdayAugust 4

    WednesdayAugust 5

    ThursdayAugust 6

    FridayAugust 7



    Test Session

    Image Re-construction

    Openingremarks +

    5 talks(Page 30)

    DeepLearningBasic short

    course: DeepLearning +

    3 talks(Page 224)

    PhotonCountingBasic short

    course: PhotonCounting +

    3 talks(Page 422)

    Coffee Coffee Coffee



    Dual andMulti-EnergyImaging

    5 talks(Page 50)

    MotionEstimationand Com-pensation

    5 talks(Page 236)

    Breast CTIntroduction:Breast CT +

    4 talks(Page 434)

    ObserverBasic short

    course:Observer +

    3 talks(Page 618)

    Lunch Lunch Lunch Lunch



    PosterSession 1Poster FF +35 posters

    (Page 70)

    PosterSession 2Poster FF +36 posters

    (Page 256)

    PosterSession 3Poster FF +36 posters

    (Page 450)

    Novel CTTechnolo-

    gies4 talks + Fully3D 2021 & CTMeeting 2022

    previews(Page 630)

    Coffee Coffee Coffee



    Test Session

    Diagnosticand Inter-ventional


    clinical CT +3 talks

    (Page 210)

    Artifact andNoise

    Reduction5 talks

    (Page 400)

    Securityand PhaseContrast

    CT5 talks

    (Page 594)


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  • The 6th International Conference on Image Formation in X-Ray Computed Tomography

    Tuesday, August 4Oral Session : Image ReconstructionTime : Tuesday, 09:55 – 11:40Chairs : J. Webster Stayman and Xiaochuan Pan

    Time Author Title Page

    09:55 – 10:00 Marc Kachelrieß Opening Remarks

    10:00 – 10:20 Baiyu Chen, Erich Kobler, Aaron Sodickson,Daniel K. Sodickson, Ricardo Otazo

    Benefits of Distributed Multidimensional Un-dersampling for Compressed Sensing CT


    10:20 – 10:40 Jingyan Xu, Frédéric Noo A k-Nearest Neighbor Regularizer for ModelBased CT Reconstruction


    10:40 – 11:00 Yongyi Shi, Yongfeng Gao, Jiaxing Tan,Siming Lu, Xuanqin Mou, Zhengrong Liang

    Learned Texture Prior for Bayesian Recon-struction of Super-Resolution CT


    11:00 – 11:20 Xiaojuan Deng, Xing Zhao, Hongwei Li Limited-Angle CT Reconstruction with Ran-dom Walk Regularization


    11:20 – 11:40 Nicolas Gindrier, Rolf Clackdoyle, SimonRit, Laurent Desbat

    Cone-Beam Reconstruction from n-sin Tra-jectories with Transversely-Truncated Pro-jections


    Coffee Break

    Oral Session : Dual and Multi-Energy ImagingTime : Tuesday, 12:00 – 13:40Chairs : Katsuyuki Taguchi and Thomas Koenig

    Time Author Title Page

    12:00 – 12:20 Sen Wang, Yuxiang Xing, Hewei Gao, MarcKachelrieß, Ao Zheng, Li Zhang

    Experimental Feasibility of a Residual-Modelled Material Decomposition Methodfor Spectral CT


    12:20 – 12:40 Weibin Zhang, Shusen Zhao, Huiying Pan,Xing Zhao

    An Iterative Reconstruction Method for Ma-terial Decomposition of Dual Spectral Com-puted Tomography Based on MonochromaticImages


    12:40 – 13:00 Pierre-Antoine Rodesch, Salim Si-Mohamed, Simon Rit

    Spatially Varying Regularization Weights forOne-Step Spectral CT with SQS


    13:00 – 13:20 Yiqun Q. Ma, Wenying Wang, Matthew Tiv-nan, Junyuan Li, Minghui Lu, Jin Zhang,Josh Star-Lack, Richard E. Colbeth, Woj-ciech Zbijewski, J. Webster Stayman

    High-Resolution Model-Based Material De-composition for Multi-Layer Flat-Panel De-tectors


    13:20 – 13:40 Yifan Deng, Hewei Gao Triple-Energy X-Ray CT Using SpectralModulator with Flying Focal Spot: Modu-lator Design and Scatter-Modeled MaterialDecomposition


    Lunch Break


  • The 6th International Conference on Image Formation in X-Ray Computed Tomography

    Poster Session : Poster Session 1Time : Tuesday, 14:40 – 16:20

    Time Author Title Page

    14:40 – 15:00 Poster Fast Forward: 30 s presentation for each poster

    Poster Session 1a (Chair: Rongping Zeng and Jongduk Baek)

    15:00 – 16:20 Daxin Shi Data-Domain Decomposition Strategy inShort-Scan Configurations for 2D Dual-Energy CT


    15:00 – 16:20 Gengsheng L. Zeng A Pre-Filter that Incorporates the NoiseModel


    15:00 – 16:20 Hao Zhao, Yanyan Liu, Guotao Quan Cone Beam Artifacts Correction in Multi-detector Computed Tomography Using DeepNeural Networks


    15:00 – 16:20 Guotao Quan, Jiao Tian, Yi Wang Cardiac Motion Correction of Computed To-mography (CT) with Spatial TransformerNetwork


    15:00 – 16:20 Daniël M. Pelt, Charlotte Maughan-Jones,Oriol Roche i Morgó, Alessandro Olivo,Charlotte K. Hagen

    Rapid and Flexible High-Resolution Scan-ning Enabled by Cycloidal Computed To-mography and Convolutional Neural Net-work (CNN) Based Data Recovery


    Poster Session 1b (Chair: Bruno De Man and Zhicong Yu)

    15:00 – 16:20 Joaquim G. Sanctorum, Sam Van Wassen-bergh, Van Nguyen, Jan De Beenhouwer, JanSijbers, Joris J.J. Dirckx

    Projection-Angle-Dependent Image Intensi-fier Distortion Correction in High-Speed To-mography


    15:00 – 16:20 Jochen Butzer, Annika Döring, SvenGondrom-Linke, Markus Harbecke

    Dual-Energy in Industrial CT – How SimpleMath Can Reveal Structures Hidden by Arte-facts


    15:00 – 16:20 Genwei Ma, Xing Zhao, Shusen Zhao Dual Domain Learning Basis Material De-composition for Dual-Spectral CT via Atten-tion Mechanism


    15:00 – 16:20 Yan Ren, Wenting Long, Huiqiao Xie, Xi-angyang Tang

    Improving the Accuracy and Dose Efficiencyof Photon-Counting Spectral CT via SourceSpectrum Shaping


    15:00 – 16:20 Marina Eckermann, Mareike Töpperwien,Anna-Lena Robisch, Franziska van der Meer,Christine Stadelmann, Tim Salditt

    Phase-Contrast X-Ray Tomography of Neu-ronal Tissue with Laboratory Sources at Sub-micron Resolution



  • The 6th International Conference on Image Formation in X-Ray Computed Tomography

    Poster Session 1c (Chair: Adam Wang and Elias Eulig)

    15:00 – 16:20 Jinwoo Kim, Ho Kyung Kim Dose Reconstruction in Dental CBCT 110

    15:00 – 16:20 Jeonghyeon Nam, Okkyun Lee Fast and Accurate Photon-CountingDetector-Based Material Decompositionvia Nearest Neighborhood Method


    15:00 – 16:20 Cristóbal Martínez, Jeffrey A. Fessler,Manuel Desco, Mónica Abella

    Segmentation-Free Statistical Method forPolyenergetic X-Ray Computed Tomographywith a Calibration Step


    15:00 – 16:20 Alexander Katsevich, Seongjin Yoon,Michael Frenkel, Peter Munro, PascalPaysan, Igor Peterlik, Dieter Seghers, AdamStrzelecki

    A Motion Estimation and Compensation Al-gorithm for 4D CBCT with Cyclic Deforma-tion Model


    15:00 – 16:20 Kihong Son, Doil Kim, Seokhwan Jang,Kyoung-Yong Lee

    Capability of a Novel Head Motion Correc-tion Algorithm for X-Ray CT Imaging


    Poster Session 1d (Chair: Hengyong Yu and Ioannis Sechopoulos)

    15:00 – 16:20 Junyoung Park, Jiyoung Choi, Duhgoon Lee,Minkook Cho, Kyoung-Yong Lee

    Performance of a Novel Cardiac Motion Cor-rection in CT scans of 0.33 Seconds Rotation


    15:00 – 16:20 Danyang Li, Dong Zeng, Sui Li, ZhaoyingBian, Jing Huang, Jianhua Ma

    High-Fidelity CT Reconstruction Based on anUnsupervised Gaussian Mixture Model


    15:00 – 16:20 Sui Li, Manman Zhu, Danyang Li, Qi Gao,Zhaoying Bian, Dong Zeng, Jianhua Ma

    Self-Supervised Reconstruction of CerebralPerfusion CT Images Based on Noise Prop-erties


    15:00 – 16:20 Stefan Haninger, Matthias Wieczorek, Wolf-gang Wein, Tobias Lasser

    Deep Learning Acceleration of OS-SIRT in X-Ray Cone-Beam Computed Tomography


    15:00 – 16:20 Markus Susenburger, Pascal Paysan, AdamStrzelecki, Igor Peterlik, Dieter Seghers,Marc Kachelrieß

    4D Segmentation-Based Anatomy-Constrained Motion-Compensated Re-construction of On-Board 4D CBCT Scans



  • The 6th International Conference on Image Formation in X-Ray Computed Tomography

    Poster Session 1e (Chair: Cyril Riddell and Fréderic Noo)

    15:00 – 16:20 Eri Haneda, Bernhard Claus, Jed D. Pack,Bruno De Man

    Projection-Based Cardiac Phase Estimation:Towards ECG-less Prospective Cardiac CTGating


    15:00 – 16:20 Jens Renders, Jan Sijbers, Jan De Been-houwer

    Adjoint Pairs of Image Warping Operators forMotion Modeling in 4D-CT


    15:00 – 16:20 Stanislav Žabić, Liuchun He, Yuan Bao A Method for Reduction of Axial TruncationArtifacts


    15:00 – 16:20 Oriol Roche i Morgó, Fabio Vittoria, MarcoEndrizzi, Alessandro Olivo, Charlotte K. Ha-gen

    Three Different Ways of Implementing Cy-cloidal Computed Tomography: a Discussionof Pros and Cons


    15:00 – 16:20 Theodor Cheslerean-Boghiu, Franz Pfeiffer,Tobias Lasser

    Fast Task-Driven Acquisition Optimizationfor Anisotropic X-Ray Dark-field Tomography


    Poster Session 1f (Chair: Tobias Lasser and Guang-Hong Chen)

    15:00 – 16:20 Nadav Shapira, Rajarshi Chattaraj, Leening P.Liu, Michael Geagan, Daeyeon Lee, ChandraSehgal, Peter B. Noël

    Quantification of Lipid-Shelled Xenon Mi-crobubbles with Dual-Energy CT


    15:00 – 16:20 Mayank Patwari, Ralf Gutjahr, Rainer Rau-pach, Andreas K. Maier

    Low Dose CT Denoising via Joint BilateralFiltering and Intelligent Parameter Optimiza-tion


    15:00 – 16:20 Tobias Funk, Daniel S. Badali, Oleg Konings GPU Accelerated Monte Carlo Simulations ofX-Rays through CAD Objects


    15:00 – 16:20 Matt D. Holbrook, Darin P. Clark, Cristian T.Badea

    Deep Learning Based Distortion Correc-tion and Material Decomposition for PhotonCounting CT: A Simulation Study


    15:00 – 16:20 Seongjin Yoon, Alexander Katsevich,Michael Frenkel, Ed Morton, WilliamThompson

    Reduction of Artifacts in Multi-Energy Imag-ing for a Stationary Gantry CT Scanner



  • The 6th International Conference on Image Formation in X-Ray Computed Tomography

    Poster Session 1g (Chair: Jing Wang and Taly Gilat-Schmidt)

    15:00 – 16:20 Chengpeng Wu, Hewei Gao, Yuxiang Xing,Zhiqiang Chen, Xiaohua Zhu, Li Zhang

    Flux Adaptation for Task-Based Dose Opti-mization in Grating-based X-Ray Imaging


    15:00 – 16:20 John Boone, Ali Uneri, Jeffrey H. Siewerdsen A Modular Phantom for Cone Beam andWhole-Body CT Image Quality Assessment


    15:00 – 16:20 Taejun Jang, Sungmin Lee, Kangcheol Kim,Hyuncheol Cho, Hyesun Yun, Jin Keun Seo

    Deep Learning-Based Dental Segmentationand Tooth Identification in Dental Cone-BeamCT


    15:00 – 16:20 Kaicong Sun, Zhaowen Gong, Sven Simon FDRN: Fast Deformable Image RegistrationBased on Unsupervised Convolutional NeuralNetworks


    15:00 – 16:20 Hyoung Suk Park, Kiwan Jeon Low-Dose CT Image Reconstruction with aDeep Learning Prior


    Coffee Break

    Oral Session : Diagnostic and InterventionalTime : Tuesday, 16:40 – 18:20Chairs : Frédéric Noo and Norbert Pelc

    Time Author Title Page

    16:40 – 17:20 Matthias May Plenary lecture: Intelligent Clinical CT

    17:20 – 17:40 Chumin Zhao, Thomas Weber, MagdalenaHerbst, Ludwig Ritschl, Sebastian Vogt,Steffen Kappler, Jeffrey H. Siewerdsen, Wo-jciech Zbijewski

    Advanced Scan Trajectories for Chest To-mosynthesis on Robotic X-Ray Systems


    17:40 – 18:00 Sascha Manuel Huck, George S.K. Fung, Ka-tia Parodi, Karl Stierstorfer

    Fluence Field Modulation in X-Ray CT forROI Imaging: Optimization of Primary Flu-ence and Comparison of Attenuator Scenar-ios


    18:00 – 18:20 S. Principi, Adam Wang, A. Maslowski, T.Wareing, P. Jordan, Taly Gilat-Schmidt

    Deterministic Boltzmann Transport EquationSolver for Patient-Specific CT Dose Estima-tion: Validation for Realistic Scanner Con-figurations and Patient Models



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  • The 6th International Conference on Image Formation in X-Ray Computed Tomography

    Wednesday, August 5Oral Session: Deep LearningTime : Wednesday, 10:00 – 11:40Chairs : Hongbing Lu and Xun Jia

    Time Author Title Page

    10:00 – 10:40 Yuxiang Xing Basic short course: Deep Learning

    10:40 – 11:00 Rongping Zeng, Claire Yilin Lin, Qin Li,Jiang Lu, Jeffrey A. Fessler, Kyle J. Myers

    Generalizability Test of a Deep Learning-Based CT Image Denoising Method


    11:00 – 11:20 Xikai Yang, Xuehang Zheng, Yong Long,Saiprasad Ravishankar

    Learned Multi-Layer Residual SparsifyingTransform Model for Low-Dose CT Recon-struction


    11:20 – 11:40 Muge Du, Hewei Gao, Kaichao Liang, Yi-nong Liu, Yuxiang Xing

    Unsupervised Domain Adaptation for Prac-tical Metal Artefact Reduction in X-Ray CT


    Coffee Break

    Oral Session : Motion Estimation and CompensationTime : Wednesday, 12:00 – 13:40Chairs : Cristian T. Badea and Pascal Paysan

    Time Author Title Page

    12:00 – 12:20 A. Sisniega, S. Capostagno, Wojciech Zbi-jewski, J. Webster Stayman, Clifford R.Weiss, T. Ehtiati, Jeffrey H. Siewerdsen

    Local Motion Estimation for Improved Cone-Beam CT Deformable Motion Compensation


    12:20 – 12:40 Igor Peterlik, Adam Strzelecki, MathiasLehmann, Philippe Messmer, Peter Munro,Pascal Paysan, Mathieu Plamondon, DieterSeghers

    Motion Resilient Iterative 3D CBCT Recon-struction Based on Gradient Weighting


    12:40 – 13:00 Rob Heylen, Johan Nuyts Motion Correction for 4D CBCT Reconstruc-tion with TV Regularization


    13:00 – 13:20 Johan Nuyts, Roger Fulton Iterative FDK Reconstruction for Helical CTof the Head with Rigid Motion Compensation


    13:20 – 13:40 Joscha Maier, Sergej Lebedev, Elias Eulig,Stefan Sawall, Eric Fournié, Karl Stierstor-fer, Marc Kachelrieß

    Coronary Artery Motion Compensation forShort-Scan Cardiac CT Using a SpatialTransformer Network


    Lunch Break


  • The 6th International Conference on Image Formation in X-Ray Computed Tomography

    Poster Session : Poster Session 2Time : Wednesday, 14:40 – 16:20

    Time Author Title Page

    14:40 – 15:00 Poster Fast Forward: 30 s presentation for each poster

    Poster Session 2a (Chair: Scott Hsieh and Karl Stierstorfer)

    15:00 – 16:20 Achim Byl, Laura Klein, Jennifer Hardt, Ste-fan Sawall, Heinz-Peter Schlemmer, SarahHeinze, Marc Kachelrieß

    Metal Artifact Reduction in Photon CountingCT using Pseudo-Monochromatic Images


    15:00 – 16:20 Wenchao Cao, Peter B. Noël Slow Triple kVp Switching CT with Convolu-tional Neural Network Based Sinogram Com-pletion and Material Decomposition


    15:00 – 16:20 Tobias Würfl, Nicole Maaß, Frank Denner-lein, Andreas K. Maier

    Projective Reconstruction of Acquisition Ge-ometry without Point Correspondences


    15:00 – 16:20 Yidi Yao, Liang Li, Zhiqiang Chen, WuyangLiang, Xin Jin

    Multi-Energy Monte Carlo Simulation of theMulti-Sources Static CT System


    15:00 – 16:20 Frédéric Jolivet, Clarisse Fournier, JérômeLesaint, Andrea Brambilla

    A One-Step Algorithm for Spectral CT withan Application on Multi-Source Inverse Ge-ometry


    Poster Session 2b (Chair: Jeffrey H. Siewerdsen and Zhou Yu)

    15:00 – 16:20 Tristan M. Gottschalk, Björn W. Kreher, An-dreas K. Maier

    Deep Learning Based Metal Inpainting in theProjection Domain using Additional Neigh-boring Projection Information


    15:00 – 16:20 Carlo Amato, Laura Klein, Joscha Maier,Stefan Sawall, Nicole Gehrke, DanielleFranke, Spyridon Gkoumas, ThomasThüring, Andreas Briel, Christian Brönni-mann, Marc Kachelrieß

    Decomposition of Multiple Contrast Agentsin Photon-Counting Micro-CT: Iodine andBismuth


    15:00 – 16:20 Darin P. Clark, Cristian T. Badea Convolutional Regularization for Acceler-ated Spectrotemporal CT Reconstruction


    15:00 – 16:20 Zhitao Guo, Hengyong Yu Low-Dose CT Denoising with ConvolutionalNeural Network for Unknown Noise Levels


    15:00 – 16:20 T. W. Holmes, C. N. De Cecco, A. Pour-morteza

    Investigating the Utility of Virtual Monoener-getic Images in Non-Contrast Lung CT Scans



  • The 6th International Conference on Image Formation in X-Ray Computed Tomography

    Poster Session 2c (Chair: Ke Li and Joscha Maier)

    15:00 – 16:20 Zhengrong Liang, Yongfeng Gao, Yongyi Shi,Wei Hou

    An Investigation on Bayesian Image Recon-struction without Freely Adjustable Parame-ter


    15:00 – 16:20 Kai Mei, Nadav Shapira, Joshua Scheuerman,Janet Reddin, Amy E. Perkins, Joel S. Karp,Peter B. Noël

    Ultra-Low Dose CT for PET Attenuation Cor-rection: Preliminary Study


    15:00 – 16:20 Kaichao Liang, Li Zhang, Le Shen, ZhiqiangChen, Yuxiang Xing

    Method of Deep Distribution Learning fromNoisy Samples and an Application for LowDose CT


    15:00 – 16:20 Berk Iskender, Yoram Bresler X-Ray CT Scatter Correction by a Physics-Motivated DNN with Opposite View Process-ing


    15:00 – 16:20 Gilad Shechter Projection Domain Decomposition for Pho-ton Counting CT


    Poster Session 2d (Chair: Ken Sauer and J. Webster Stayman)

    15:00 – 16:20 Xiao Jiang, Lei Zhu Filtered Backprojection Reconstruction forInverse Geometry CT with Sparsely Dis-tributed Sources


    15:00 – 16:20 Donghyeon Lee, Hwanhui Jo, Uijin Jeong,Seungryong Cho

    Single-Scan Dual-Energy CT Image Recon-struction via Normalized Gradient MagnitudeImage (NGMI) Regularization


    15:00 – 16:20 Tao Zhang, Hewei Gao, Yuxiang Xing, LiZhang, Zhiqiang Chen

    Prior-Knowledge Based Linogram Recon-struction Neural Network for X-Ray Com-puted Tomography


    15:00 – 16:20 Nargiza Djurabekova, Andrew Goldberg,David Hawkes, Guy Long, Luke Shepherd,Marta M. Betcke

    Segmented Static CBCT as Initialization ofFully Dynamic Tomography Reconstructionof Foot and Ankle


    15:00 – 16:20 Erich Kobler, Baiyu Chen, Alexander Effland,Thomas Pock, Daniel K. Sodickson, RicardoOtazo

    Total Deep Variation for SparseCT Recon-struction



  • The 6th International Conference on Image Formation in X-Ray Computed Tomography

    Poster Session 2e (Chair: Hongbing Lu and Katsuyuki Taguchi)

    15:00 – 16:20 Erdal Pekel, Martin Dierolf, Franz Pfeiffer,Tobias Lasser

    X-Ray Computed Tomography with a RoboticSample Holder


    15:00 – 16:20 Junyoung Kim, Yoseob Han, Jong Chul Ye DBP Domain Deep Learning for CT Recon-struction


    15:00 – 16:20 Shaohua Zhi, Marc Kachelrieß, Xuanqin Mou A Novel 4D-CBCT Reconstruction Frame-work via a Joint of Spatiotemporal DictionaryLearning and Prior Constraint


    15:00 – 16:20 Richard N. K. Bismark, Oliver Beuing, GeorgRose

    Overcoming Truncation Artifacts Caused bythe Patient Table in Polyenergetic StatisticalReconstruction on Clinical C-Arm CT Data


    15:00 – 16:20 Mengfei Li, Hao Gao, Yunsong Zhao Fused Analytical Iterative Reconstruction forSparse View Dual Energy Computed Tomog-raphy


    Poster Session 2f (Chair: Michael McNitt-Gray and Michael Knaup)

    15:00 – 16:20 Taejin Kwon, Da-in Choi, Jaehong Hwang,Jaesung Lee, Jihwan Lim, Inje Lee, Seungry-ong Cho

    Dental Panoramic Image Reconstruction fromCone-Beam CT Projection Data


    15:00 – 16:20 Genwei Ma, Yinghui Zhang, Tong Wang,Xing Zhao, Hongwei Li

    An Intelligent Alternating Edge-PreservingDiffusion and Smoothing Neural Network forLimited-Angle Computed Tomography Recon-struction


    15:00 – 16:20 Jiayu Duan, Yang Li, Jianmei Cai, XuanqinMou

    A New Imaging Modality Based on The FlatPanel-Sources


    15:00 – 16:20 Masoud Elhamiasl, Sara Teruel Rivas, KoenSalvo, Edmond Sterpin, Johan Nuyts

    The Effect of CT Dose Reduction on ProtonTherapy Dose Calculation


    15:00 – 16:20 Sarah Muller, Joscha Maier, Elias Eulig,Michael Knaup, Stefan Sawall, Marc Kachel-rieß

    Deep Learning-Based Real-Time Estimationof Patient Dose Distributions for VariousMedical CT Scan Protocols



  • The 6th International Conference on Image Formation in X-Ray Computed Tomography

    Poster Session 2g (Chair: Thomas Koehler and Xun Jia)

    15:00 – 16:20 Shaojie Chang, Qiong Xu, Xi Chen, XuanqinMou

    Joint Spectrum Estimation and Image Recon-strution in Spectral CT


    15:00 – 16:20 Shabab Bazrafkan, Vincent Van Nieuwen-hove, Joris Soons, Jan De Beenhouwer, JanSijbers

    Ringing Artefact Removal from Sparse ViewTomosynthesis using Deep Neural Networks


    15:00 – 16:20 Ao Zheng, Zhiqiang Chen, Kaichao Liang, LiZhang, Yuxiang Xing

    A CT Image Feature Space (CTIS) Loss forReconstruction with Deep Learning Methods


    15:00 – 16:20 Hye Sun Yun, Tae Jun Jang, Sung Min Lee,Sang-Hwy Lee, Jin Keun Seo

    3D Landmark Annotation for Automatic 3DCephalometry


    15:00 – 16:20 Florian Schiffers, Thomas Bochynek, AndréAichert, Tobias Würfl, Michael Rubenstein,Oliver Cossairt

    Disassemblable Fieldwork CT Scanner Usinga 3D-Printed Calibration Phantom


    15:00 – 16:20 Nele Blum, Maik Stille, Christian Hofmann,Thorsten M. Buzug

    Metal Artifact Reduction for 3D Cone-BeamCT by Non-Local Prior Image Integration


    Coffee Break

    Oral Session : Artifact and Noise ReductionTime : Wednesday, 16:40 – 18:20Chairs : Emil Y. Sidky and Stanislav Žabić

    Time Author Title Page

    16:40 – 17:00 Grace J. Gang, Tom Russ, Yiqun Q. Ma,Christian Toennes, Clifford R. Weiss, JeffreyH. Siewerdsen, Lothar R. Schad, J. WebsterStayman

    Metal-Tolerant Noncircular Orbit Designand Implementation on Robotic C-Arm Sys-tems


    17:00 – 17:20 Linxi Shi, N. Robert Bennett, Amy Shiroma,Mingshan Sun, Jin Zhang, Richard E. Col-beth, Josh Star-Lack, Minghui Lu, AdamWang

    Single-Pass Metal Artifact Correction usinga Dual Layer Flat Panel Detector


    17:20 – 17:40 Masakazu Matsuura, Jian Zhou, HirokiTaguchi, Naruomi Akino, Zhou Yu

    Deep Learning Low Dose CT Image Denois-ing using Synthetic Training Data


    17:40 – 18:00 Julien Erath, Tim Vöth, Joscha Maier, EricFournié, Karl Stierstorfer, Martin Petersilka,Marc Kachelrieß

    Deep Learning-Based Cross-Scatter Correc-tion for Clinical CT


    18:00 – 18:20 Philipp Roser, Annette Birkhold, AlexanderPreuhs, Christopher Syben, Norbert Strobel,Markus Korwarschik, Rebecca Fahrig, An-dreas K. Maier

    Deep Scatter Splines: Learning-Based Medi-cal X-Ray Scatter Estimation Using B-splines



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  • The 6th International Conference on Image Formation in X-Ray Computed Tomography

    Thursday, August 6Oral Session : Photon CountingTime : Thursday, 10:00 – 11:40Chairs : Mats Danielsson and Taly Gilat-Schmidt

    Time Author Title Page

    10:00 – 10:40 Thomas Flohr Basic short course: Photon Counting

    10:40 – 11:00 Katsuyuki Taguchi The Number of Energy Windows for PhotonCounting Detectors: Is More Actually More?


    11:00 – 11:20 Mengzhou Li, David S. Rundle, Ge Wang X-Ray Photon-Counting Data Correction viaDeep Learning


    11:20 – 11:40 Stefan J. van der Sar, Stefan E. Brunner, Den-nis R. Schaart

    First Steps towards SiPM-Based ScintillationDetectors for Photon-counting CT


    Coffee Break

    Oral Session : Breast CTTime : Thursday, 12:00 – 13:40Chairs : John Boone and Ioannis Sechopoulos

    Time Author Title Page

    12:00 – 12:20 John Boone, Ioannis Sechopoulos Introduction: Breast CT

    12:20 – 12:40 Yunhuan Yang, Chengyijue Fang, Lei Zhu Sparse-View Cone-Beam Breast CT via Con-ditional Generative Adversarial NetworkConstrained by Image Edges


    12:40 – 13:00 Koen Michielsen, Nikita Moriakov, JonasTeuwen, Ioannis Sechopoulos

    Deep Learning-Based Initialization of Itera-tive Reconstruction for Breast Tomosynthesis


    13:00 – 13:20 Antonio Sarno, Giovanni Mettivier,Francesca di Franco, Antonio Varallo,Andrew M. Hernandez, Kristina Bliznakova,John Boone, Paolo Russo

    A Dataset of Patient Derived Digital BreastPhantoms for in Silico Computed Tomogra-phy Dedicated to the Breast


    13:20 – 13:40 Stefano van Gogh, Michał Rawlik, ZhentianWang, Marco Stampanoni

    Investigating Deep Learning-Based GratingInterferometry Breast Computed Tomogra-phy Image Denoising


    Lunch Break


  • The 6th International Conference on Image Formation in X-Ray Computed Tomography

    Poster Session : Poster Session 3Time : Thursday, 14:40 – 16:20

    Time Author Title Page

    14:40 – 15:00 Poster Fast Forward: 30 s presentation for each poster

    Poster Session 3a (Chair: Wenli Wang and Jerome Liang)

    15:00 – 16:20 Daniil Kazantsev, Nicola Wadeson TOmographic MOdel-BAsed Reconstruction(ToMoBAR) Software for High ResolutionSynchrotron X-Ray Tomography


    15:00 – 16:20 Marion Savanier, Cyril Riddell, Yves Trous-set, Emilie Chouzenoux, Jean-ChristophePesquet

    A Matched CBCT Projector-BackprojectorBased on the Convolution of B-splines


    15:00 – 16:20 Eckhard Wehrse, Stefania Petra, Laura Klein,Lukas Rotkopf, Christian Herbert Ziener,Marc Kachelrieß, Heinz-Peter Schlemmer,Stefan Sawall

    Structured Regularization for Material De-composition of Photon Counting CT Data us-ing Collaborative Total Variation


    15:00 – 16:20 Obaidullah Rahman, Ken Sauer, Connor J.Evans, Ryan K. Roeder

    Direct Iterative Reconstruction of MultipleBasis Material Images in Photon-CountingSpectral CT


    15:00 – 16:20 Wenying Wang, Grace J. Gang, Matthew Tiv-nan, J. Webster Stayman

    Perturbation Response of Model-Based Ma-terial Decomposition with Edge-PreservingPenalties


    Poster Session 3b (Chair: Hiroyuki Kudo and Stefan Sawall)

    15:00 – 16:20 David Weller, Maik Stille, Philipp Koch,Mark Dreier, Alfred Mertins, Thorsten M.Buzug

    Convolutional Neural Network based Itera-tive Metal Artifact Reduction


    15:00 – 16:20 Alessandro Piol, Patricia M. Berdon, ManuelDesco, Monica Abella

    Prior Information for CT Reconstructionfrom Thermal Data


    15:00 – 16:20 David Tellenbach, Tobias Lasser elsa - An Elegant Framework for PrecisionLearning in Tomographic Reconstruction


    15:00 – 16:20 Maximilian Wattenberg, Lasse Hansen,Philipp Klein, Mattias P. Heinrich, MaikStille, Thorsten M. Buzug

    Reconstruction of Blood Vessel Paths fromSparse Cone Beam Projection Images usingNeural Networks and Ray-Tracing


    15:00 – 16:20 M. Nauwynck, Shabab Bazrafkan, A. H. vanHeteren, Jan De Beenhouwer, Jan Sijbers

    Ring Artifact Reduction in Sinogram SpaceUsing Deep Learning



  • The 6th International Conference on Image Formation in X-Ray Computed Tomography

    Poster Session 3c (Chair: Kirsten Boedeker and Zhye Yin)

    15:00 – 16:20 Daouda Diakite, Maxime Martelli, NicolasGac

    An OpenCL Pipeline Implementation on IntelFPGA for 3D Backprojection


    15:00 – 16:20 Daniel Hadhazi, Gabor Horvath PGM Based TV L0 Regularized Linear To-mosynthesis Reconstruction


    15:00 – 16:20 Michael H. Schmitt Iterative Reconstruction-Based Increase ofOperating Pitch in Aviation Security CT


    15:00 – 16:20 Lina Felsner, Tobias Würfl, ChristopherSyben, Philipp Roser, Alexander Preuhs, An-dreas K. Maier, Christian Riess

    Reconstruction of Voxels with Position- andAngle-Dependent Weightings


    15:00 – 16:20 Maria Magnusson, Gudrun Alm Carlsson,Michael Sandborg, Asa Carlsson Tedgren,Alexandr Malusek

    Investigation of Base Materials for Accu-rate Dual-Energy Computed Tomography.Comparison between the Alvarez-Macovskimethod and DIRA


    Poster Session 3d (Chair: Jingyan Xu and Peter B. Noël)

    15:00 – 16:20 Sumin Baek, Okkyun Lee KNN-Based Nanoparticle Agent Identifica-tion in PCD-CT


    15:00 – 16:20 J. Graetz Dittmann, D. Müller, A. Balles, T.Tuohimaa, T. Donath, C. Fella

    ntCT: Submicrometer Laboratory X-Ray Mi-crotomography down to 0.2µm Resolution


    15:00 – 16:20 Van Nguyen, Jan De Beenhouwer, ShababBazrafkan, A-T. Hoang, Sam Van Wassen-bergh, Jan Sijbers

    BeadNet: a Network for Automated SphericalMarker Detection in Radiographs for geome-try Calibration


    15:00 – 16:20 Emil Y. Sidky, Emily R. Paul, Taly Gilat-Schmidt, Xiaochuan Pan

    Spectral Calibration and Non-Linear Inten-sity Correction of Photon-Counting Detectorsfor Spectral CT


    15:00 – 16:20 Aurélien Coussat , Simon Rit , Rolf Clack-doyle, Michel Defrise, Laurent Desbat, JeanMichel Létang

    ROI CT Reconstruction Combining AnalyticInversion of the Finite Hilbert Transform andSVD



  • The 6th International Conference on Image Formation in X-Ray Computed Tomography

    Poster Session 3e (Chair: Lifeng Yu and Günter Lauritsch)

    15:00 – 16:20 Hung Nguyen, Laurent Desbat, Rolf Clack-doyle

    Automatic Geometric Calibration in 3DCone-Beam Geometry with Sources on a Line


    15:00 – 16:20 Zheng Zhang, Buxin Chen, Dan Xia, Emil Y.Sidky, Xiaochuan Pan

    A Preliminary Study on the Inversion of DXTfrom Limited-Angular-Range Data


    15:00 – 16:20 Hyunuk Jung, Chenyang Shen, Xun Jia Simultaneous Image Reconstruction and El-ement Decomposition for Iodine ContrastAgent Visualization in Multi-energy ConeBeam CT


    15:00 – 16:20 Buxin Chen, Emil Y. Sidky, Zheng Zhang,Dan Xia, Xiaochuan Pan

    A Preconditioning Scheme for Accelerating ANon-Convex Primal-Dual Reconstruction Al-gorithm in Multispectral CT


    15:00 – 16:20 Priyanka Ray, Parikshit Moitra, YichengZhang, Tor Jensen, Scott Santeler, DipanjanPan

    Radiopaque Temporary Embolic Agent forDirect Visualization During Surgical Proce-dure and Follow up Treatments


    Poster Session 3f (Chair: Yuxiang Xing and Elias Eulig)

    15:00 – 16:20 Xiaokun Huang, You Zhang, Jing Wang U-net Based Automatic CBCT-Based LiverTumor Localization using BiomechanicalModeling


    15:00 – 16:20 Fatemeh Ostadhossein, Indu Tripathi, LilyBenig, Denae LoBato, Mahdieh Moghiseh,Chiara Lowe, Aamir Raja, Anthony But-ler, Raj Panta, Marzieh Anjomrouz, AlexChernoglazov, Dipanjan Pan

    Gram Scale Synthesis of Hafnia Nanodots forDetection of Bone Microcracks using PhotonCounting CT Imaging


    15:00 – 16:20 Stephen Z. Liu, Qian Cao, Jeffrey H. Siewerd-sen, J. Webster Stayman, Wojciech Zbijewski

    Three-Material Dual Energy DecompositionUsing a Constrained Model-Based Algorithm


    15:00 – 16:20 Andriy Andreyev, Arkadiusz Sitek, ChristophGraf vom Hagen

    Cone Beam CT Image Reconstruction by Ori-gin Ensemble Algorithm


    15:00 – 16:20 Zhicong Yu, Amit Jain, Chuanyong Bai,Daniel Gagnon

    A Constrained Curve-Fitting Method for Scat-ter Estimation for Helical Cone-Beam CT



  • The 6th International Conference on Image Formation in X-Ray Computed Tomography

    Poster Session 3g (Chair: Johan Nuyts and Carlo Amato)

    15:00 – 16:20 Alexander Meaney, Jussi Toivanen, SamuliSiltanen, Ville Kolehmainen

    Joint Reconstruction and Image Space Mate-rial Decomposition in Sparse View SpectralCT


    15:00 – 16:20 Hewei Gao, Tao Zhang, N. Robert Bennett,Adam Wang

    Scatter Correction for X-Ray CT Using Spec-tral Modulator with Flying Focal Spot


    15:00 – 16:20 Jingwen Zhuang, Yaguang Lu, Mei Bai A phantom Study on Exploring the Accuracyof the Weighted CT Dose Index for Multi-detector CT


    15:00 – 16:20 Ludwig Ritschl, Marcel Beister, MagdalenaHerbst, Steffen Kappler

    Isotropic Ultra-High Resolution CBCT Ex-tremity Imaging Using a Robotic Radiogra-phy System


    15:00 – 16:20 Robert Cierniak, Piotr Pluta Fast Statistical Reconstruction Algorithm fora CT Scanner with Flying Focal Spot


    15:00 – 16:20 Paolo Gnudi, Bernd Schweizer, Marc Kachel-rieß, Yannick Berker

    Denoising of X-Ray Projections and Com-puted Tomography Images using Convolu-tional Neural Networks without Clean Data


    Coffee Break

    Oral Session : Security and Phase Contrast CTTime : Thursday, 16:40 – 18:20Chairs : Guang-Hong Chen and Peter B. Noël

    Time Author Title Page

    16:40 – 17:00 Gengsheng L. Zeng Projection-Domain Iteration to Estimate Un-reliable Measurements


    17:00 – 17:20 Wei Fang, Liang Li, Zhiqiang Chen, Chun-guang Zong

    First Commercial Dual Energy MeV CT forContainer Imaging: Experimental Results


    17:20 – 17:40 Sunho Lim, Donghyeon Lee, Hwanhui Jo,Seungryong Cho

    A New Empirical Dual-Energy Calibration(EDEC) Method for Material Decompositionin X-Ray Cargo Inspection


    17:40 – 18:00 Marius Reichardt, Jasper Frohn, AmaraKhan, Frauke Alves, Tim Salditt

    X-Ray Phase-Contrast Tomography of HeartTissue


    18:00 – 18:20 Grant T. Gullberg, Weijie Tao, Sally J. Kim,Yongjin Sung, Qiu Huang, Youngho Seo,Michael Fuller

    Tensor Tomography of Dark Field ScatterUsing Single-Exposure Moiré Fringe Analy-sis of X-Ray Bi-Prism Interferometry



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  • The 6th International Conference on Image Formation in X-Ray Computed Tomography

    Friday, August 7Oral Session: ObserverTime : Friday, 12:00 – 13:40Chairs : Günter Lauritsch and Ge Wang

    Time Author Title Page

    12:00 – 12:40 Frederic Noo Basic short course: Observer

    12:40 – 13:00 Emil Y. Sidky, Weimin Zhou, Greg Ongie,Juan P. Cruz-Bastida, Ingrid S. Reiser, MarkA. Anastasio, Xiaochuan Pan

    Developing Signal Detectability as an ImageQuality Metric for use with Non-Linear Im-age Reconstruction


    13:00 – 13:20 Irene Hernandez-Giron, Johan Michiel denHarder, Geert J. Streekstra, Wouter J. H.Veldkamp

    Objective Assessment of Clinical ImageQuality in Thorax CT: Nodule Detectabilityin a 3D Printed Anthropomorphic Phantomby a 3D Model Observer


    13:20 – 13:40 Byeongjoon Kim, Minah Han, Jongduk Baek Training Strategies of a Convolutional Neu-ral Network-Based Anthropomorphic ModelObserver for Signal-Known-Exactly andBackground-Known-Statistically DetectionTasks


    Lunch Break

    Oral Session : Novel CT TechnologiesTime : Friday, 14:40 – 16:20Chairs : Thomas Flohr and Cyril Riddell

    14:40 – 15:00 J. Webster Stayman, Matthew Tivnan, GraceJ. Gang, Wenying Wang, Nadav Shapira, Pe-ter B. Noël

    Grating-Based Spectral CT using Small AngleX-Ray Beam Deflections


    15:00 – 15:20 P. Wu, N. Sheth, T. Wang, A. Sisniega, A.Uneri, R. Han, R. Vijayan, P. Vagdargi, BjörnW. Kreher, H. Kunze, G. Kleinszig, SebastianVogt, Jeffrey H. Siewerdsen

    C-Arm Non-Circular Orbits: Geometric Cal-ibration, Image Quality, Avoidance of MetalArtifacts


    15:20 – 15:40 Matthew Tivnan, Wenying Wang, J. WebsterStayman

    Multi-Contrast CT Imaging with a PrototypeSpatial-Spectral Filter


    15:40 – 16:00 Jannis Dickmann, Christina Sarosiek, GeorgeCoutrakon, Simon Rit, Nick Detrich, VictorRykalin, Mark Pankuch, Robert P. Johnson,Reinhard W. Schulte, Katia Parodi, GuillaumeLandry, George Dedes

    Dynamic Fluence Modulation using ProtonCT for Low–dose Imaging in Particle Therapy


    16:00 – 16:20 Johan Nuyts, J. Webster Stayman Preview: Fully3D 2021 + CT Meeting 2022


    Author List