English
Related papers

Related papers: TokaMind: A Multi-Modal Transformer Foundation Mod…

200 papers

Feedback stabilization of magnetohydrodynamic (MHD) modes is studied in a cylindrical model for a tokamak with resistivity, viscosity and toroidal rotation. The control is based on a linear combination of the normal and tangential…

Plasma Physics · Physics 2014-06-23 D. P. Brennan , J. M. Finn

While multimodal fusion has been extensively studied in Multimodal Sentiment Analysis (MSA), the role of fusion depth and multimodal capacity allocation remains underexplored. In this work, we position fusion depth, scalability, and…

Computation and Language · Computer Science 2025-04-16 Efthymios Georgiou , Vassilis Katsouros , Yannis Avrithis , Alexandros Potamianos

Model-agnostic meta-learners aim to acquire meta-learned parameters from similar tasks to adapt to novel tasks from the same distribution with few gradient updates. With the flexibility in the choice of models, those frameworks demonstrate…

Machine Learning · Computer Science 2019-10-31 Risto Vuorio , Shao-Hua Sun , Hexiang Hu , Joseph J. Lim

Foundation models hold promise for specialized medical imaging tasks, though their effectiveness in breast imaging remains underexplored. This study leverages BiomedCLIP as a foundation model to address challenges in model generalization.…

We present Brain Harmony (BrainHarmonix), the first multimodal brain foundation model that unifies structural morphology and functional dynamics into compact 1D token representations. The model was pretrained on two of the largest…

The Tokamak device is the most promising candidate for producing sustainable electric power by nuclear fusion. It is a torus-shaped device that confines plasma by a strong magnetic field. The development, design and control of the design…

Plasma Physics · Physics 2022-11-17 M. Holst , V. Kungurtsev , S. Mukherjee

Multimodal physiological data powers clinical AI systems from intensive care units to wearable devices, but sensors routinely fail in practice. Two failure modes are common: modality missing, where an entire channel is absent, and…

Machine Learning · Computer Science 2026-05-18 Wugeng Zheng , Ziwen Kan , Tianlong Chen , Chen Chen , Song Wang

Prediction tasks in digital pathology are challenging due to the massive size of whole-slide images (WSIs) and the weak nature of training signals. Advances in computing, data availability, and self-supervised learning (SSL) have paved the…

Image and Video Processing · Electrical Eng. & Systems 2026-02-02 Vishwesh Ramanathan , Tony Xu , Pushpak Pati , Faruk Ahmed , Maged Goubran , Anne L. Martel

In this work, we propose a simple transformer-based baseline for multimodal molecular representation learning, integrating three distinct modalities: SMILES strings, 2D graph representations, and 3D conformers of molecules. A key aspect of…

Machine Learning · Computer Science 2024-10-25 Andrei Manolache , Dragos Tantaru , Mathias Niepert

When a plasma disrupts in a tokamak, significant heat and electromagnetic loads are deposited onto the surrounding device components. These forces scale with plasma current and magnetic field strength, making disruptions one of the key…

This paper presents a novel approach for simulating plasma instabilities in tokamak plasmas using the piecewise field-aligned finite element method in combination with the particle-in-cell method. Our method traditionally aligns the…

Physiological signals such as electrocardiograms (ECG) and electroencephalograms (EEG) provide complementary insights into human health and cognition, yet multi-modal integration is challenging due to limited multi-modal labeled data, and…

In this work, a purely data-driven discharge prediction model was developed and tested without integrating any data or results from simulations. The model was developed based on the experimental data from the Experimental Advanced…

Plasma Physics · Physics 2022-11-23 Chenguang Wan , Zhi Yu , Alessandro Pau , Xiaojuan Liu , Jiangang Li

Missing modalities present a fundamental challenge in multimodal models, often causing catastrophic performance degradation. Our observations suggest that this fragility stems from an imbalanced learning process, where the model develops an…

Computer Vision and Pattern Recognition · Computer Science 2026-02-27 Siqi Lu , Wanying Xu , Yongbin Zheng , Wenting Luan , Peng Sun , Jianhang Yao

Existing gradient-based meta-learning approaches to few-shot learning assume that all tasks have the same input feature space. However, in the real world scenarios, there are many cases that the input structures of tasks can be different,…

Artificial Intelligence · Computer Science 2021-09-29 Jiayi Chen , Aidong Zhang

Developing effective multimodal data fusion strategies has become increasingly essential for improving the predictive power of statistical machine learning methods across a wide range of applications, from autonomous driving to medical…

Machine Learning · Computer Science 2025-07-29 Ziyi Liang , Annie Qu , Babak Shahbaba

Large Multimodal Models (LMMs) are powerful tools that are capable of reasoning and understanding multimodal information beyond text and language. Despite their entrenched impact, the development of LMMs is hindered by the higher…

Computer Vision and Pattern Recognition · Computer Science 2025-03-07 Vittorio Pippi , Matthieu Guillaumin , Silvia Cascianelli , Rita Cucchiara , Maximilian Jaritz , Loris Bazzani

Visual state-space models (SSMs) have shown strong potential for medical image segmentation, yet their effectiveness is often limited by two practical issues: axis-biased scan ordering weakens the modeling of oblique and curved structures,…

Computer Vision and Pattern Recognition · Computer Science 2026-04-30 Fuchen Zheng , Chengpei Xu , Long Ma , Weixuan Li , Junhua Zhou , Xuhang Chen , Weihuang Liu , Haolun Li , Quanjun Li , Zhenxi Zhang , Lei Zhao , Chi-Man Pun , Shoujun Zhou

We investigate the impact of tokeniser pretraining on the accuracy and efficiency of physics emulation. Modern high-resolution simulations produce vast volumes of data spanning diverse physical regimes and scales. Training foundation models…

Machine Learning · Computer Science 2026-03-13 Hadi Sotoudeh , Payel Mukhopadhyay , Ruben Ohana , Michael McCabe , Neil D. Lawrence , Shirley Ho , Miles Cranmer

Morphological attributes from histopathological images and molecular profiles from genomic data are important information to drive diagnosis, prognosis, and therapy of cancers. By integrating these heterogeneous but complementary data, many…

Machine Learning · Computer Science 2022-02-28 Kaiwen Tan , Weixian Huang , Xiaofeng Liu , Jinlong Hu , Shoubin Dong