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This study investigates continual fine-tuning strategies for deep learning in online longitudinal electroencephalography (EEG) motor imagery (MI) decoding within a causal setting involving a large user group and multiple sessions per…

机器学习 · 计算机科学 2025-02-12 Martin Wimpff , Bruno Aristimunha , Sylvain Chevallier , Bin Yang

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…

Multi-site MRI studies often suffer from site-specific variations arising from differences in methodology, hardware, and acquisition protocols, thereby compromising accuracy and reliability in clinical AI/ML tasks. We present PRISM…

图像与视频处理 · 电气工程与系统科学 2024-11-12 Sarang Galada , Tanurima Halder , Kunal Deo , Ram P Krish , Kshitij Jadhav

Magnetic Resonance Imaging (MRI) is indispensable in clinical practice but remains constrained by fragmented, multi-stage workflows encompassing acquisition, reconstruction, segmentation, detection, diagnosis, and reporting. While deep…

计算机视觉与模式识别 · 计算机科学 2025-08-26 Xingxin He , Aurora Rofena , Ruimin Feng , Haozhe Liao , Zhaoye Zhou , Albert Jang , Fang Liu

Imaging sites around the world generate growing amounts of medical scan data with ever more versatile and affordable technology. Large-scale studies acquire MRI for tens of thousands of participants, together with metadata ranging from…

机器学习 · 计算机科学 2024-04-23 Taro Langner

The pre-trained transformer demonstrates remarkable generalization ability in natural image processing. However, directly transferring it to magnetic resonance images faces two key challenges: the inability to adapt to the specificity of…

计算机视觉与模式识别 · 计算机科学 2026-01-21 Jingkai Li , Xiaoze Tian , Yuhang Shen , Jia Wang , Dianjie Lu , Guijuan Zhang , Zhuoran Zheng

Purpose: Conventional automated segmentation of the head anatomy in MRI distinguishes different brain and non-brain tissues based on image intensities and prior tissue probability maps (TPM). This works well for normal head anatomies, but…

图像与视频处理 · 电气工程与系统科学 2021-05-20 Lukas Hirsch , Yu Huang , Lucas C Parra

The "pre-training then fine-tuning (FT)" paradigm is widely adopted to boost the model performance of deep learning-based methods for medical volumetric segmentation. However, conventional full FT incurs high computational and memory costs.…

计算机视觉与模式识别 · 计算机科学 2024-05-29 Jiachen Shen , Wenxuan Wang , Chen Chen , Jianbo Jiao , Jing Liu , Yan Zhang , Shanshan Song , Jiangyun Li

Recent advancements in deep learning have enabled the development of generalizable models that achieve state-of-the-art performance across various imaging tasks. Vision Transformer (ViT)-based architectures, in particular, have demonstrated…

图像与视频处理 · 电气工程与系统科学 2025-02-11 Guoyao Shen , Mengyu Li , Stephan Anderson , Chad W. Farris , Xin Zhang

Decoding language from the human brain remains a grand challenge for Brain-Computer Interfaces (BCIs). Current approaches typically rely on unimodal brain representations, neglecting the brain's inherently multimodal processing. Inspired by…

计算与语言 · 计算机科学 2025-08-12 Chunyu Ye , Yunhao Zhang , Jingyuan Sun , Chong Li , Chengqing Zong , Shaonan Wang

Image-to-fMRI encoding is important for both neuroscience research and practical applications. However, such "Brain-Encoders" have been typically trained per-subject and per fMRI-dataset, thus restricted to very limited training data. In…

计算机视觉与模式识别 · 计算机科学 2026-05-26 Roman Beliy , Navve Wasserman , Amit Zalcher , Michal Irani

The deployment of pre-trained models (PTMs) has greatly advanced the field of continual learning (CL), enabling positive knowledge transfer and resilience to catastrophic forgetting. To sustain these advantages for sequentially arriving…

机器学习 · 计算机科学 2025-04-18 Liyuan Wang , Jingyi Xie , Xingxing Zhang , Hang Su , Jun Zhu

Large-scale pre-trained models have achieved remarkable success in various computer vision tasks. A standard approach to leverage these models is to fine-tune all model parameters for downstream tasks, which poses challenges in terms of…

计算机视觉与模式识别 · 计算机科学 2023-12-18 Yi Xin , Junlong Du , Qiang Wang , Zhiwen Lin , Ke Yan

Multi-task scene understanding aims to design models that can simultaneously predict several scene understanding tasks with one versatile model. Previous studies typically process multi-task features in a more local way, and thus cannot…

计算机视觉与模式识别 · 计算机科学 2023-06-09 Hanrong Ye , Dan Xu

Leveraging multimodal information from biosignals is vital for building a comprehensive representation of people's physical and mental states. However, multimodal biosignals often exhibit substantial distributional shifts between…

机器学习 · 计算机科学 2024-04-22 Ran Liu , Ellen L. Zippi , Hadi Pouransari , Chris Sandino , Jingping Nie , Hanlin Goh , Erdrin Azemi , Ali Moin

We present a method for trajectory planning for autonomous driving, learning image-based context embeddings that align with motion prediction frameworks and planning-based intention input. Within our method, a ViT encoder takes raw images…

计算机视觉与模式识别 · 计算机科学 2025-12-01 Maitrayee Keskar , Mohan Trivedi , Ross Greer

Recent advancements in multimodal pre-training models have significantly advanced computational pathology. However, current approaches predominantly rely on visual-language models, which may impose limitations from a molecular perspective…

计算机视觉与模式识别 · 计算机科学 2024-12-03 Minghao Han , Dingkang Yang , Jiabei Cheng , Xukun Zhang , Linhao Qu , Zizhi Chen , Lihua Zhang

Decoding natural visual scenes from brain activity has flourished, with extensive research in single-subject tasks and, however, less in cross-subject tasks. Reconstructing high-quality images in cross-subject tasks is a challenging problem…

计算机视觉与模式识别 · 计算机科学 2024-12-17 Zixuan Gong , Qi Zhang , Guangyin Bao , Lei Zhu , Ke Liu , Liang Hu , Duoqian Miao

Brain Tumor Segmentation (BraTS) plays a critical role in clinical diagnosis, treatment planning, and monitoring the progression of brain tumors. However, due to the variability in tumor appearance, size, and intensity across different MRI…

图像与视频处理 · 电气工程与系统科学 2024-09-19 Hongjun Zhu , Jiaohang Huang , Kuo Chen , Xuehui Ying , Ying Qian

Brain encoder models predict cortical fMRI responses from the internal activations of pretrained vision and language networks, and are typically evaluated by held-out prediction accuracy. This is a useful signal for training but a poor one…

神经元与认知 · 定量生物学 2026-05-15 Stuart Bladon , Brinnae Bent