13:30 |  | 0518. Effect of Unified Reconstruction Algorithm on Inter-Scanner Variability in Diffusion MRI Q. Liu, A. Zhu, X. Wang, D. Erdogmus, L. O’Donnell, L. Ning, Y. Rathi Brigham and Women's Hospital, Harvard Medical School, Boston, United States Impact: This study shows that inter-scanner variability in diffusion MRI cannot be mitigated using a unified reconstruction algorithm if the acquisition sequences themselves are different. Prospective harmonization of dMRI may benefit more from harmonizing the sequence itself. |
13:42 |  | 0519. Tensor Based MP-PCA Denoising for Multi-Echo Functional Magnetic Resonance Imaging Data P. Fuchs, K. Shmueli University of Antwerp, Antwerp, Belgium Impact: The tensor structure of multi-echo fMRI data can be exploited to perform tensor-based MP-PCA denoising, which greatly outperforms conventional matrix-based MP-PCA denoising, decreasing standard deviation and increasing temporal SNR. Tensor-based MP-PCA denoising should improve multi-echo fMRI and fQSM studies. |
13:54 |  | 0520. Direct Reconstruction of Tracer Kinetic Parameter Maps in Abbreviated Breast MRI A. Brenes, Z. Tan, J. Bae, E. Solomon, E. Goesche, F. Knoll, S. G. Kim Weill Cornell Medical College, New York City, United States Impact: This proposed direct reconstruction method aims to streamline the complex image reconstruction and data analysis processes of DCE-MRI and has the potential to make DCE MRI a more efficient, faster, and accessible tool for breast cancer exams. |
14:06 |  | 0521. Pulmonary UTE Signal Intensity Normalization using Anatomical References M. McIntosh, S. Gerard, J. Altman, E. Ramirez, R. Meyer, S. Khodaei, C. Wharff, R. Bello, A. Kizhakke Puliyakote, A. Hahn, S. Fain University of Iowa, Iowa City, United States Impact: This method may be used to develop quantitative parenchymal
density measures on UTE MRI as a biomarker to assess cross-sectional
differences in disease populations, disease progression and treatment response
without the ionizing radiation inherent to gold-standard computed tomography. |
14:18 |  | 0522. Pan-Contrast Thalamic Nuclei Segmentation: Physics-Informed Image Synthesis for Performance Across All Contrast Variations R. Adams, E. Alzaga Goñi, P-T Yap, D. Ma Case Western Reserve University, Cleveland, United States Impact: UTN is the first thalamus segmentation tool that works across different contrast types, matching the performance of top tools, which are limited to white matter-nulled images. This allows for volumetric thalamic nuclei studies with any type of MR data. |
14:30 |  | 0523. Development of a Semi-Supervised Approach for TMJ Disc Segmentationin MRI Using a Foundation Model E-G Ha, S-S Han, D-H Kim Yonsei university, Seoul, Korea, Republic of Impact: The proposed model has the potential to assist dental clinicians by improving the accuracy and consistency of TMJ MRI interpretation while reducing manual effort. This approach could facilitate further exploration into automated diagnostics across various imaging modalities, enhancing clinical workflows. |
14:42 |  | 0524. SAM-driven MaskNet for Left Ventricle Segmentation on Cine DENSE with Unsupervised Domain Adaptation S. Li, S-F Shih, J. Finn, D. Ruan, K-L Nguyen, X. Zhong Department of Radiological Sciences, University of California Los Angeles, Los Angeles, United States Impact: This
research advances automated LV segmentation in DENSE MRI by integrating UDA and
foundation models, leveraging cine SSFP images and established annotations to
improve deep learning model performance despite limited availability of
specialized MR images like DENSE. |
14:54 |  | 0525. A multimodal processing workflow for ultrahigh-field MRI data R. Rodriguez Cruces, A. Ngo, D. Gift Cabalo, J. Royer, Y. Hwang, N. Eichert, P. Herholz, J. DeKraker, I. Leppert, C. Tardif, B. Bernhardt McGill, Montreal, Canada Impact: This standardized workflow
ensures consistent, high-resolution analysis and generates sharable outputs for
large-scale data processing. It promotes reproducibility and collaboration,
advancing our understanding of brain structure-function relationships and
enhancing scientific impact across the research community. |
15:06 |  | 0526. Development and Validation of a Multimodal 3D Brain Image Registration Algorithm for Alzheimer’s disease and Related Dementias J. A. Chong Chie, S. Persohn, P. Salama, P. Territo Stark Neurosciences Research Institute, Indianapolis, United States Impact: This study presents a 3D
multimodal registration framework invariant to image contrast, spatial
resolutions, and anatomical and functional variations; thus, enabling direct comparisons
of brain anatomy and function(s) across subjects, while minimizing inter-subject
variability, permitting quantitative multimodal analysis. |
15:18 |  | 0527. Unsupervised 3D registration for multi-tasks with local-global self-attention training Z. Huang, N. Jiang, Y. Sui National Institute of Health Data Science, Peking University, Beijing, China Impact: We presents an unsupervised 3D image registration method based on deep learning principles. By incorporating local-global self-attention training, this method is robust across different registration tasks. It ensures consistently accurate registration results and is applicable to multi clinical registration scenarios. |