The 7th International Conference on Image Formation in X-Ray Computed Tomography took place June 12-16, 2022 at Johns Hopkins University in Baltimore, MD, USA with over 40 oral presentations and invited talks, and an additional 70+ poster presentations and discussion.
Scientific Program
The scientific program consists of over 115 abstract submissions from a wide range of topics related to CT image formation, technology, assessment, and translation. A PDF of the program may be downloaded here:
CT Meeting 2022 Table of Contents & Schedule
CT Meeting 2022 Proceedings
Finalized versions of all proceedings papers are hosted individually by SPIE and are OpenAccess, searchable, etc. The finalized OpenAccess proceedings are available at
SPIE Digital Library vol. 12304 – 2022 CT Meeting Proceedings
Presentation Recordings
Recordings are available on YouTube: Playlist with all recordings
| MONDAY JUNE 13, 2022 | |||
| Novel CT Technologies (Moderators: Bruno De Man, Ke Li) | |||
| 08:40-09:00 | “Dark-Field Imaging on a Clinical CT System: Realization of Talbot-Lau Interferometry in a Gantry” | Manuel Viermetz, Nikolai Gustschin, Clemens Schmid, Jakob Haeusele, Roland Proksa, Thomas Koehler, Franz Pfeiffer | VIDEO |
| 09:00-09:20 | “Dark-Field Imaging on a Clinical CT System: Performance and Potential based on first Results” | Nikolai Gustschin, Manuel Viermetz, Clemens Schmid, Jakob Haeusele, Frank Bergner, Tobias Lasser, Thomas Koehler, Franz Pfeiffer | VIDEO |
| 09:20-09:40 | “Non-invasive real-time thermometry via spectral CT physical density quantifications” | Nadav Shapira, Leening P. Liu, Johoon Kim, David P. Cormode, Gregory J. Nadolski, Matthew Hung, Michael C. Soulen, Peter B. Noël | VIDEO |
| Reconstruction and Deep Learning (Moderators: Marc Kachelrieß, Koen Michielsen) | |||
| 10:00-10:20 | “Cone-beam reconstruction for a circular trajectory with transversely-truncated projections based on the virtual fan-beam method” | Mathurin Charles, Rolf Clackdoyle, Simon Rit | VIDEO |
| 10:20-10:40 | “Iterative image reconstruction for CT with unmatched projection matrices using the generalized minimal residual algorithm” | Emil Y. Sidky, Per Christian Hansen, Jakob S. Jørgensen, Xiaochuan Pan | VIDEO |
| 10:40-11:00 | “Deep Learning-Based Detector Row Upsampling for Clinical Spiral CT” | Jan Magonov, Julien Erath, Joscha Maier, Eric Fournié, Karl Stierstorfer, and Marc Kachelrieß | VIDEO |
| 11:00-11:20 | “DL-Recon: Combining 3D Deep Learning Image Synthesis and Model Uncertainty with Physics-Based Image Reconstruction” | Xiaoxuan Zhang, Pengwei Wu, Wojciech B. Zbijewski, Alejandro Sisniega, Runze Han, Craig K. Jones, Prasad Vagdargi, Ali Uneri, Patrick A. Helm, William S. Anderson, Jeffrey H. Siewerdsen | VIDEO |
| 11:20-11:40 | “Learned Cone-Beam CT Reconstruction Using Neural Ordinary Differential Equations” | Mareike Thies, Fabian Wagner, Mingxuan Gu, Lukas Folle, Lina Felsner, Andreas Maier | VIDEO |
| Monday Poster Session | |||
| 13:20-15:00 | 30-second Single-Slide Teaser Presentations (25 Posters) | (First Authors) Chuanpeng Wu, Stefano van Gogh, Tianxu Tang, Kevin Holt, Zhennong Chen, Darin P. Clark, Xuifa Cao, Danyang Li, Akyl Swaby, Yidi Yao, Tianshuai Liu, Sungho Yun, Lucia Enzmann, Xiaoyue Guo, Rohan Nadkarni, Shaojie Chang, Achim Byl, Jean Radig, Tzu-Cheng Lee, Buxin Chen, Matthew Andrew, Zhilei Wang, Ling Chen, Chuang Niu, Thomas Wesley Holmes | VIDEO |
| CT Acquisition (Moderators: Adam Wang, Rolf Clackdoyle) | |||
| 15:20-15:40 | “LaBr3:Ce and Silicon Photomultipliers: Towards the Optimal Scintillating Photon-Counting Detector” | Stefan J. van der Sar, David Leibold, Stefan E. Brunner, Dennis R. Schaart | VIDEO |
| 15:40-16:00 | “Preliminary Investigations of a Novel Dynamic CT Collimator” | Web Stayman, Nir Eden, Yiqun Q. Ma, Grace J. Gang, Allon Guez | VIDEO |
| 16:00-16:20 | “X-ray CT Data Completeness Condition for Sets of Arbitrary Projections” | Gabriel Herl, Andreas Maier, and Simon Zabler | VIDEO |
| 16:20-16:40 | “CT imaging with truncation data over limited-angular ranges” | Dan Xia, Zheng Zhang, Buxin Chen, Emil Y. Sidky, Xiaochuan Pan | VIDEO |
| 16:40-17:00 | “Cone Beam Field of View Extension through Complementary Short Scan Trajectories with Displaced Center of Rotation” | Gabriele Belotti, Simon Rit, Guido Baroni | VIDEO |
| TUESDAY JUNE 14, 2022 | |||
| Invited Talks on Photon-Counting CT | |||
| 08:20-09:00 | “Photon counting detector computed tomography: technical background” | Peter B. Noël | VIDEO |
| 09:00-09:40 | “Photon counting detector computed tomography: clinical applications” | Shuai Leng | VIDEO |
| Spectral CT (Moderators: Kevin Brown, Cristian Badea) | |||
| 10:00-10:20 | “Consistency-based auto-calibration of the spectral model in dual-energy CT” | Jérome Lesaint, Simon Rit | VIDEO |
| 10:20-10:40 | “Direct binning for photon counting detectors” | Katsuyuki Taguchi, Scott S. Hsieh | VIDEO |
| 10:40-11:00 | “Co-clinical photon counting CT research for multi-contrast imaging” | Cristian T. Badea, Darin P. Clark, Alex Allphin, Juan Carlos Ramirez-Giraldo, Prajwal Bhandari, Yvonne M. Mowery, Ketan B. Ghaghada | VIDEO |
| 11:00-11:20 | “Reproducibility in dual energy CT: the impact of a projection domain material decomposition method” | Viktor Haase, Frederic Noo, Karl Stierstorfer, Andreas Maier, Michael McNitt-Gray | VIDEO |
| 11:20-11:40 | “Dual-source photon-counting CT: consistency in spectral results at different acquisition modes and heart rates” | Leening P. Liu, Nadav Shapira, Pooyan Sahbaee, Harold I. Litt, Marcus Y. Chen, Peter B. Noël | VIDEO |
| Tuesday Poster Session | |||
| 13:20-15:00 | 30-second Single-Slide Teaser Presentations (25 Posters) | (First Authors) Larry Zeng, Nele Blum, Xuan Xu, Emil Sidky, Isabelle M. Heukensfeldt Jansen, Hana Haseljić, Xiangli Jin, Sui Li, Sen Wang, Jakob Haeusele, Chaoyang Zhang, Da-in Choi, Wei Fang, Xiao Jiang, Clemens Schmid, Shaojie Chang, Zheng Zhang, Zhongxing Zhou, Nargiza Djurabekova, Kai Wang, Alexander N. Sietsema, Benjamin M. Rizzo, Kai Mei, Yiqun Ma, Mengzhou Li | VIDEO |
| Artifacts and Sparse CT (Moderators: Xiaochuan Pan, Jerome Z. Liang) | |||
| 15:20-15:40 | “Deep Scatter Estimation for Coarse Anti-Scatter Grids as used in Photon-Counting CT” | Julien Erath, Jan Magonov, Joscha Maier, Eric Fournié, Martin Petersilka, Karl Stierstorfer, Marc Kachelrieß | VIDEO |
| 15:40-16:00 | “Cross-Domain Metal Segmentation for CBCT Metal Artifact Reduction” | Maximilian Rohleder, Tristan M. Gottschalk, Andreas Maier, Bjoern W. Kreher | VIDEO |
| 16:00-16:20 | “Sparsier2Sparse: Weakly-supervised learning for streak artifacts reduction with unpaired sparse view CT data” | Seongjun Kim, Byeongjoon Kim, Jongduk Baek | VIDEO |
| 16:20-16:40 | “Dual Domain Closed-loop Learning for Sparse-view CT Reconstruction” | Yi Guo, Yongbo Wang, Manman Zhu, Dong Zeng, Zhaoying Bian, Xi Tao, Jianhua Ma | VIDEO |
| 16:40-17:00 | “Hybrid Reconstruction Using Shearlets and Deep Learning for Sparse X-Ray Computed Tomography” | Andi Braimllari, Theodor Cheslerean-Boghiu, Tobias Lasser | VIDEO |
| WEDNESDAY JUNE 15, 2022 | |||
| Modeling and Assessment (Moderators: Grace J. Gang, Kirsten L. Boedeker) | |||
| 08:20-08:40 | “Trade-offs between redundancy and increased rank for tomographic system matrices” | Feriel Khellaf, Rolf Clackdoyle | VIDEO |
| 08:40-09:00 | “Stationary X-ray Tomography for Hemorrhagic Stroke Imaging – Sampling and Resolution Properties” | A. Lopez-Montes, T. McSkimming, W. Zbijewski, J. H. Siewerdsen, A. Skeats, B. Gonzales, A. Sisniega | VIDEO |
| 09:00-09:20 | “Angular normalized glandular dose coefficient in breast CT: clinical data study” | Hsin Wu Tseng, Andrew Karellas, Srinivasan Vedantham | VIDEO |
| 09:20-09:40 | “Estimating the accuracy and precision of quantitative imaging biomarkers as endpoints for clinical trials using standard-of-care CT” | Paul Kinahan, Darrin Byrd, Hao Yang, Hugo Aerts, Binzhang Zhao, Andrey Fedorov, Lawrence Schwartz, Tavis Allison, Chaya Moskowitz | VIDEO |
| Invited Talk on Deep Learning | |||
| 10:00-10:40 | “Hallucinations and objective assessments of deep learning technologies for image formation” | Mark Anastasio | VIDEO |
| Deep Learning Assessment (Moderators: Saiprasad Ravishankar, Rongping Zeng) | |||
| 10:40-11:00 | “Reconstructing Invariances of CT Image Denoising Networks using Invertible Neural Networks” | Elias Eulig, Björn Ommer, Marc Kachelrieß | VIDEO |
| 11:00-11:20 | “Local Linearity Analysis of Deep Learning CT Denoising Algorithms” | Junyuan Li, Wenying Wang, Matt Tivnan, Jeremias Sulam, Jerry L Prince, Michael McNitt-Gray, Web Stayman, Grace J. Gang | VIDEO |
| 11:20-11:40 | “Evaluation of deep learning-based CT reconstruction with a signal-Laplacian model observer” | Gregory Ongie, Emil Y. Sidky, Ingrid S. Reiser, Xiaochuan Pan | VIDEO |
| Wednesday Poster Session | |||
| 13:20-15:00 | 30-second Single-Slide Teaser Presentations (25 Posters) | (First Authors) Larry Zeng, Joaquim G. Sanctorum, Erdal Pekel, Xin Lu, Yirong Yang, Yinghui Zhang, Mingqiang Meng, Danyang Li, Dennis Hein, Xiaoyu Hu, Obaidullah Rahman, Mikhail Mikerov, Nora Steinich, Leonardo Di Schiavi Trotta, Marion Savanier, F Del Cerro, Fatima Saad, Joscha Maier, Robert Cierniak, Sasha Gasquet, Sumin Baek, Anriy Andreyev, Jeonghyeon Nam, Prabhat KC, Huihui Kong | VIDEO |
| Spectral and Polyenergetic CT Reconstruction (Moderators: Emil Sidky, Johan Sunnegaardh) | |||
| 15:20-15:40 | “Tunable Neural Networks for Multi-Material Image Formation from Spectral CT Measurements” | Matthew Tivnan, Grace Gang, Peter Noël, Jeremias Sulam, J. Webster Stayman | VIDEO |
| 15:40-16:00 | “Self-supervised nonlocal spectral similarity induced material decomposition network” | Lei Wang, Yongbo Wang, Zhaoying Bian, Dong Zeng, Jianhua Ma | VIDEO |
| 16:00-16:20 | “Likelihood-based bilateral filtration in material decomposition for photon counting CT” | Okkyun Lee | VIDEO |
| 16:20-16:40 | “Experimental Evaluation of Polychromatic Reconstruction for Quantitative CBCT” | Michał Walczak, Pascal Paysan, Mathieu Plamondon, Stefan Scheib | VIDEO |
| 16:40-17:00 | “Dual-energy cone-beam CT with three-material decomposition for bone marrow edema imaging” | Stephen Z. Liu, Magdalena Herbst, Thomas Weber, Sebastian Vogt, Ludwig Ritchl, Steffen Kappler, Jeffrey H. Siewerdsen, Wojciech Zbijewski | VIDEO |
| THURSDAY JUNE 16, 2022 | |||
| Invited Talk on Interventional Imaging | |||
| 08:20-09:00 | “Engineering the Future of Spine Surgery” | Nick Theodore, MD | VIDEO |
| Interventional Imaging (Moderator: Cyril Riddell) | |||
| 09:00-09:20 | “Real-time Liver Tumor Localization via a Single X-ray Projection Using Deep Graph Network-assisted Biomechanical Modeling” | Hua-Chieh Shao, Jing Wang, You Zhang | VIDEO |
| 09:20-09:40 | “3D Reconstruction of Stents and Guidewires in an Anthropomorphic Phantom From Three X-Ray Projections” | Tim Vöth, Thomas König, Elias Eulig, Michael Knaup, Veit Wiesmann, Klaus Hörndler, Marc Kachelrieß | VIDEO |
| Cardiac CT and Motion Compensation (Moderator: Ken Taguchi, Simon Rit) | |||
| 10:00-10:20 | “Context-Aware, Reference-Free Local Motion Metric for CBCT Deformable Motion Compensation” | H. Huang, J.H. Siewerdsen, W. Zbijewski, C.R. Weiss, M. Unberath, A. Sisniega | VIDEO |
| 10:20-10:40 | “Simulation of Random Deformable Motion in Soft-Tissue Cone-Beam CT with Learned Models” | Y. Hu, H. Huang, J. H. Siewerdsen, W. Zbijewski, M. Unberath, C. R. Weiss, A. Sisniega | VIDEO |
| 10:40-11:00 | “A five-dimensional cardiac CT model for generating virtual CT projections for user-defined bolus dynamics and ECG profiles” | Eri Haneda, Bernhard Claus, Jed Pack, Darin Okerlund, Albert Hsiao, Elliot McVeigh, Bruno De Man | VIDEO |
| 11:00-11:20 | “A Virtual Imaging Trial Framework to Study Cardiac CT Blooming Artifacts” | Ying Fan, Jed Pack, Bruno De Man | VIDEO |