Matthew Tivnan

According to our database, Matthew Tivnan authored at least 20 papers between 2015 and 2025.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of three.

2025

System-Embedded Diffusion Bridge Models.

Bartlomiej Sobieski, Matthew Tivnan, Yuang Wang, Siyeop Yoon, Pengfei Jin, Dufan Wu, Quanzheng Li, Przemyslaw Biecek

CoRR, June, 2025

Surf2CT: Cascaded 3D Flow Matching Models for Torso 3D CT Synthesis from Skin Surface.

Siyeop Yoon, Yujin Oh, Pengfei Jin, Sifan Song, Matthew Tivnan, Dufan Wu, Xiang Li, Quanzheng Li

CoRR, May, 2025

Cascaded 3D Diffusion Models for Whole-body 3D 18-F FDG PET/CT synthesis from Demographics.

Siyeop Yoon, Sifan Song, Pengfei Jin, Matthew Tivnan, Yujin Oh, Sekeun Kim, Dufan Wu, Xiang Li, Quanzheng Li

CoRR, May, 2025

OWT: A Foundational Organ-Wise Tokenization Framework for Medical Imaging.

Sifan Song, Siyeop Yoon, Pengfei Jin, Sekeun Kim, Matthew Tivnan, Yujin Oh, Runqi Meng, Ling Chen, Zhiliang Lyu, Dufan Wu, Ning Guo, Xiang Li, Quanzheng Li

CoRR, May, 2025

Prediction of Frozen Region Growth in Kidney Cryoablation Intervention Using a 3D Flow-Matching Model.

Siyeop Yoon, Yujin Oh, Matthew Tivnan, Sifan Song, Pengfei Jin, Sekeun Kim, Hyun Jin Cho, Dufan Wu, Raul Uppot, Quanzheng Li

CoRR, March, 2025

Implicit Image-to-Image Schrödinger Bridge for image restoration.

Yuang Wang, Siyeop Yoon, Pengfei Jin, Matthew Tivnan, Sifan Song, Zhennong Chen, Rui Hu, Li Zhang, Quanzheng Li, Zhiqiang Chen, Dufan Wu

Pattern Recognit., 2025

Portable head CT motion artifact correction via diffusion-based generative model.

Zhennong Chen, Siyeop Yoon, Quirin D. Strotzer, Rehab Naeem Khalid, Matthew Tivnan, Quanzheng Li, Rajiv Gupta, Dufan Wu

Comput. Medical Imaging Graph., 2025

Hallucination Analysis of Score-Based Diffusion Models for CT Denoising Through Spatial Frequency Decomposition.

Alice Ku, Matthew Tivnan, Dufan Wu

Proceedings of the 22nd IEEE International Symposium on Biomedical Imaging, 2025

Rethinking Visual Counterfactual Explanations Through Region Constraint.

Bartlomiej Sobieski, Jakub Grzywaczewski, Bartlomiej Sadlej, Matthew Tivnan, Przemyslaw Biecek

Proceedings of the Thirteenth International Conference on Learning Representations, 2025

2024

Measurement Embedded Schrödinger Bridge for Inverse Problems.

Yuang Wang, Pengfei Jin, Siyeop Yoon, Matthew Tivnan, Quanzheng Li, Li Zhang, Dufan Wu

CoRR, 2024

Implicit Image-to-Image Schrodinger Bridge for CT Super-Resolution and Denoising.

Yuang Wang, Siyeop Yoon, Pengfei Jin, Matthew Tivnan, Zhennong Chen, Rui Hu, Li Zhang, Zhiqiang Chen, Quanzheng Li, Dufan Wu

CoRR, 2024

Volumetric Conditional Score-Based Residual Diffusion Model for PET/MR Denoising.

Siyeop Yoon, Matthew Tivnan, Rui Hu, Yuang Wang, Young-Don Son, Dufan Wu, Xiang Li, Kyungsang Kim, Quanzheng Li

Proceedings of the Medical Image Computing and Computer Assisted Intervention - MICCAI 2024, 2024

Conditional Score-Based Diffusion Model for Cortical Thickness Trajectory Prediction.

Qing Xiao, Siyeop Yoon, Hui Ren, Matthew Tivnan, Lichao Sun, Quanzheng Li, Tianming Liu, Yu Zhang, Xiang Li

Proceedings of the Medical Image Computing and Computer Assisted Intervention - MICCAI 2024, 2024

Hallucination Index: An Image Quality Metric for Generative Reconstruction Models.

Matthew Tivnan, Siyeop Yoon, Zhennong Chen, Xiang Li, Dufan Wu, Quanzheng Li

Proceedings of the Medical Image Computing and Computer Assisted Intervention - MICCAI 2024, 2024

Head CT Scan Motion Artifact Correction via Diffusion-Based Generative Models.

Zhennong Chen, Siyeop Yoon, Quirin D. Strotzer, Rehab Naeem Khalid, Matthew Tivnan, Quanzheng Li, Rajiv Gupta, Dufan Wu

Proceedings of the Applications of Medical Artificial Intelligence, 2024

High-Resolution 3d Ct Synthesis From Bidirectional X-Ray Images Using 3d Diffusion Model.

Siyeop Yoon, Jay Sairam Pratap, Wen-Chih Liu, Matthew Tivnan, Hui Ren, Abhiram Bhashyam, Quanzheng Li, Neal Chen, Xiang Li

Proceedings of the IEEE International Symposium on Biomedical Imaging, 2024

2023

Diffusion Posterior Sampling for Nonlinear CT Reconstruction.

Shudong Li, Matthew Tivnan, Yuan Shen, J. Webster Stayman

CoRR, 2023

How to Trust Your Diffusion Model: A Convex Optimization Approach to Conformal Risk Control.

Jacopo Teneggi, Matthew Tivnan, J. Webster Stayman, Jeremias Sulam

Proceedings of the International Conference on Machine Learning, 2023

2022

Design Optimization of Spatial-Spectral Filters for Cone-Beam CT Material Decomposition.

Matthew Tivnan, Wenying Wang, Grace J. Gang, J. Webster Stayman

IEEE Trans. Medical Imaging, 2022

2015

High Frequency Sampling of TTL Pulses on a Raspberry Pi for Diffuse Correlation Spectroscopy Applications.

Matthew Tivnan, Rajan Gurjar, David E. Wolf, Karthik Vishwanath

Sensors, 2015