English
Related papers

Related papers: Developing a PET/CT Foundation Model for Cross-Mod…

200 papers

We present the Material Masked Autoencoder (MMAE), a self-supervised Vision Transformer pretrained on a large corpus of short-fiber composite images via masked image reconstruction. The pretrained MMAE learns latent representations that…

Computational Engineering, Finance, and Science · Computer Science 2025-10-23 Ting-Ju Wei , Chuin-Shan Chen

Learning 3D representation plays a critical role in masked autoencoder (MAE) based pre-training methods for point cloud, including single-modal and cross-modal based MAE. Specifically, although cross-modal MAE methods learn strong 3D…

Computer Vision and Pattern Recognition · Computer Science 2023-12-19 Yaohua Zha , Huizhen Ji , Jinmin Li , Rongsheng Li , Tao Dai , Bin Chen , Zhi Wang , Shu-Tao Xia

Multimodal imaging analysis often relies on joint latent representations, yet these approaches rarely define what information is shared versus modality-specific. Clarifying this distinction is clinically relevant, as it delineates the…

Computer Vision and Pattern Recognition · Computer Science 2026-04-09 Sonja Adomeit , Kartikay Tehlan , Lukas Förner , Katharina Weisser , Helen Scholtiseek , David Kaufmann , Julie Steinestel , Constantin Lapa , Thomas Kröncke , Thomas Wendler

Cancer research is increasingly driven by the integration of diverse data modalities, spanning from genomics and proteomics to imaging and clinical factors. However, extracting actionable insights from these vast and heterogeneous datasets…

Masked Autoencoders learn strong visual representations and achieve state-of-the-art results in several independent modalities, yet very few works have addressed their capabilities in multi-modality settings. In this work, we focus on point…

Computer Vision and Pattern Recognition · Computer Science 2023-03-15 Anthony Chen , Kevin Zhang , Renrui Zhang , Zihan Wang , Yuheng Lu , Yandong Guo , Shanghang Zhang

We study the problem of training self-supervised foundation models for functional MRI. Our main contributions are: (1) we introduce a new model family (CortexMAE) trained using the masked autoencoder framework on 2.1K hours of open fMRI…

Upcoming surveys will produce billions of galaxy images but comparatively few spectra, motivating models that learn cross-modal representations. We build a dataset of 134,533 galaxy images (HSC-PDR2) and spectra (DESI-DR1) and adapt a…

Instrumentation and Methods for Astrophysics · Physics 2025-10-28 Morgan Himes , Samiksha Krishnamurthy , Andrew Lizarraga , Srinath Saikrishnan , Vikram Seenivasan , Jonathan Soriano , Ying Nian Wu , Tuan Do

Cross-modality translation between MRI and PET imaging is challenging due to the distinct mechanisms underlying these modalities. Blood-based biomarkers (BBBMs) are revolutionizing Alzheimer's disease (AD) detection by identifying patients…

Computer Vision and Pattern Recognition · Computer Science 2025-01-28 Yanxi Chen , Yi Su , Celine Dumitrascu , Kewei Chen , David Weidman , Richard J Caselli , Nicholas Ashton , Eric M Reiman , Yalin Wang

In this paper, we review physics- and data-driven reconstruction techniques for simultaneous positron emission tomography (PET) / magnetic resonance imaging (MRI) systems, which have significant advantages for clinical imaging of cancer,…

Image and Video Processing · Electrical Eng. & Systems 2022-06-15 Abhejit Rajagopal , Andrew P. Leynes , Nicholas Dwork , Jessica E. Scholey , Thomas A. Hope , Peder E. Z. Larson

Radiological analysis increasingly benefits from pretrained visual representations that can support heterogeneous downstream tasks across imaging modalities. In this work, we introduce OmniRad, a self-supervised radiological foundation…

Computer Vision and Pattern Recognition · Computer Science 2026-02-05 Luca Zedda , Andrea Loddo , Cecilia Di Ruberto

Positron emission tomography (PET) imaging is widely used in a number of clinical applications, including cancer and Alzheimer's disease (AD) diagnosis, monitoring of disease development, and treatment effect evaluation. Statistical…

Tissues and Organs · Quantitative Biology 2025-11-07 Akhil Ambekar , Robert Zielinski , Ani Eloyan

Intelligent fault-tolerant (FT) computing has recently demonstrated significant advantages in predicting and diagnosing faults proactively, thereby ensuring reliable service delivery. However, due to the heterogeneity of fault knowledge,…

Machine Learning · Computer Science 2025-12-15 Wenjing Xiao , Wenhao Song , Miaojiang Chen , Min Chen

Tumor segmentation in medical imaging is crucial and relies on precise delineation. Fluorodeoxyglucose Positron-Emission Tomography (FDG-PET) is widely used in clinical practice to detect metabolically active tumors. However, FDG-PET scans…

Image and Video Processing · Electrical Eng. & Systems 2023-10-05 Matthias Hadlich , Zdravko Marinov , Rainer Stiefelhagen

Image analysis using more than one modality (i.e. multi-modal) has been increasingly applied in the field of biomedical imaging. One of the challenges in performing the multimodal analysis is that there exist multiple schemes for fusing the…

Computer Vision and Pattern Recognition · Computer Science 2018-06-19 Zhe Guo , Xiang Li , Heng Huang , Ning Guo , Quanzheng Li

Mass spectrometry is the dominant technology in the field of proteomics, enabling high-throughput analysis of the protein content of complex biological samples. Due to the complexity of the instrumentation and resulting data, sophisticated…

Positron emission tomography (PET) is a widely recognized technique for diagnosing neurodegenerative diseases, offering critical functional insights. However, its high costs and radiation exposure hinder its widespread use. In contrast,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-20 Yitong Li , Igor Yakushev , Dennis M. Hedderich , Christian Wachinger

Transformer architectures, including nnFormer,have demonstrated promising results in volumetric medical image segmentation by being able to capture long-range spatial interactions. Although they have high performance, these models need…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 R. M. Krishna Sureddi , T. Satyanarayana Murthy , Nomula Varsha Reddy , Adi Kanishka , Nalla Manvika Reddy

Computed tomography (CT) is a major medical imaging modality. Clinical CT scenarios, such as low-dose screening, sparse-view scanning, and metal implants, often lead to severe noise and artifacts in reconstructed images, requiring improved…

Image and Video Processing · Electrical Eng. & Systems 2025-06-04 Wenjun Xia , Chuang Niu , Ge Wang

Accurate lesion segmentation in whole-body PET/CT scans is crucial for cancer diagnosis and treatment planning, but limited datasets often hinder the performance of automated segmentation models. In this paper, we explore the potential of…

Image and Video Processing · Electrical Eng. & Systems 2024-09-13 Lap Yan Lennon Chan , Chenxin Li , Yixuan Yuan

In this work, we examine the impact of inter-patch dependencies in the decoder of masked autoencoders (MAE) on representation learning. We decompose the decoding mechanism for masked reconstruction into self-attention between mask tokens…

Computer Vision and Pattern Recognition · Computer Science 2025-04-11 Letian Fu , Long Lian , Renhao Wang , Baifeng Shi , Xudong Wang , Adam Yala , Trevor Darrell , Alexei A. Efros , Ken Goldberg