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Purpose: This study presents a variable resolution (VR) sampling and deep learning reconstruction approach for multi-spectral MRI near metal implants, aiming to reduce scan times while maintaining image quality. Background: The rising use…

图像与视频处理 · 电气工程与系统科学 2024-11-01 Azadeh Sharafi , Nikolai J. Mickevicius , Mehran Baboli , Andrew S. Nencka , Kevin M. Koch

General Multimodal Large Language Models (MLLMs) often underperform in capturing domain-specific nuances in medical diagnosis, trailing behind fully supervised baselines. Although fine-tuning provides a remedy, the high costs of expert…

计算机视觉与模式识别 · 计算机科学 2026-03-31 Wenkai Zhao , Zipei Wang , Mengjie Fang , Di Dong , Jie Tian , Lingwei Zhang

Reconstructing MRI from highly undersampled measurements is crucial for accelerating medical imaging, but is challenging due to the ill-posedness of the inverse problem. While supervised deep learning (DL) approaches have shown remarkable…

图像与视频处理 · 电气工程与系统科学 2026-03-03 Andrew Wang , Steven McDonagh , Mike Davies

Self-supervised learning (SSL)-based speech models are extensively used for full-stack speech processing. However, it has been observed that improving SSL-based speech representations using unlabeled speech for content-related tasks is…

计算与语言 · 计算机科学 2024-06-14 Amit Meghanani , Thomas Hain

Organoids, sophisticated in vitro models of human tissues, are crucial for medical research due to their ability to simulate organ functions and assess drug responses accurately. Accurate organoid instance segmentation is critical for…

计算机视觉与模式识别 · 计算机科学 2026-01-13 Gui Huang , Kangyuan Zheng , Xuan Cai , Jiaqi Wang , Jianjia Zhang , Kaida Ning , Wenbo Wei , Yujuan Zhu , Jiong Zhang , Mengting Liu

Deep learning (DL) is gaining popularity as a parameter estimation method for quantitative MRI. A range of competing implementations have been proposed, relying on either supervised or self-supervised learning. Self-supervised approaches,…

医学物理 · 物理学 2024-01-24 Sean C. Epstein , Timothy J. P. Bray , Margaret Hall-Craggs , Hui Zhang

Due to the presence of the natural gap between Knowledge Graph (KG) structures and the natural language, the effective integration of holistic structural information of KGs with Large Language Models (LLMs) has emerged as a significant…

计算与语言 · 计算机科学 2025-01-31 Qika Lin , Tianzhe Zhao , Kai He , Zhen Peng , Fangzhi Xu , Ling Huang , Jingying Ma , Mengling Feng

In MR fingerprinting (MRF) reconstruction, measured data is pattern-matched to simulated signals to extract quantitative tissue parameters. A critical drawback to this approach is the exponentially increasing compute time for mapping of…

医学物理 · 物理学 2024-07-17 Victoria Y. Yu , Kathryn R. Tringale , Ricardo Otazo , Ouri Cohen

Large Language Models(LLMs) excel in general tasks but struggle in specialized domains like healthcare due to limited domain-specific knowledge.Supervised Fine-Tuning(SFT) data construction for domain adaptation often relies on heuristic…

机器学习 · 计算机科学 2025-09-19 Hongxin Ding , Yue Fang , Runchuan Zhu , Xinke Jiang , Jinyang Zhang , Yongxin Xu , Xu Chu , Junfeng Zhao , Yasha Wang

With the development of multimedia time, one sample can always be described from multiple views which contain compatible and complementary information. Most algorithms cannot take information from multiple views into considerations and fail…

计算机视觉与模式识别 · 计算机科学 2019-03-20 Huibing Wang , Jinjia Peng , Xianping Fu

With the development of deep learning, supervised learning methods perform well in remote sensing images (RSIs) scene classification. However, supervised learning requires a huge number of annotated data for training. When labeled samples…

计算机视觉与模式识别 · 计算机科学 2020-10-05 Chao Tao , Ji Qi , Weipeng Lu , Hao Wang , Haifeng Li

Large annotated datasets are essential for training robust Computer-Aided Diagnosis (CAD) models for breast cancer detection or risk prediction. However, acquiring such datasets with fine-detailed annotation is both costly and…

计算机视觉与模式识别 · 计算机科学 2025-10-31 Shunjie-Fabian Zheng , Hyeonjun Lee , Thijs Kooi , Ali Diba

Self-supervised learning (SSL) has recently shown tremendous potential to learn generic visual representations useful for many image analysis tasks. Despite their notable success, the existing SSL methods fail to generalize to downstream…

计算机视觉与模式识别 · 计算机科学 2021-10-07 Chetan L Srinidhi , Anne L Martel

Recent work has explored using self-supervised learning (SSL) speech representations such as wav2vec2.0 as the representation medium in standard two-stage TTS, in place of conventionally used mel-spectrograms. It is however unclear which…

音频与语音处理 · 电气工程与系统科学 2023-07-11 Siyang Wang , Gustav Eje Henter , Joakim Gustafson , Éva Székely

Diffusion large language models (dLLMs) have recently drawn considerable attention within the research community as a promising alternative to autoregressive generation, offering parallel token prediction and lower inference latency. Yet,…

计算与语言 · 计算机科学 2025-10-01 Zigeng Chen , Gongfan Fang , Xinyin Ma , Ruonan Yu , Xinchao Wang

High-resolution (HR) quantitative MRI (qMRI) relaxometry provides objective tissue characterization but remains clinically underutilized due to lengthy acquisition times. We propose a physics-informed, self-supervised framework for qMRI…

计算机视觉与模式识别 · 计算机科学 2025-12-22 Alireza Samadifardheris , Dirk H. J. Poot , Florian Wiesinger , Stefan Klein , Juan A. Hernandez-Tamames

Self-supervised learning (SSL) is attractive for plant disease detection as it can exploit large collections of unlabeled leaf images, yet most existing SSL methods are built on CNNs or vision transformers that are poorly matched to…

计算机视觉与模式识别 · 计算机科学 2025-12-12 Abdullah Al Mamun , Miaohua Zhang , David Ahmedt-Aristizabal , Zeeshan Hayder , Mohammad Awrangjeb

Cardiac T1 mapping provides critical quantitative insights into myocardial tissue composition, enabling the assessment of pathologies such as fibrosis, inflammation, and edema. However, the inherently dynamic nature of the heart imposes…

图像与视频处理 · 电气工程与系统科学 2025-12-09 Tamir Shor , Moti Freiman , Chaim Baskin , Alex Bronstein

Parallel imaging is a commonly used technique to accelerate magnetic resonance imaging (MRI) data acquisition. Mathematically, parallel MRI reconstruction can be formulated as an inverse problem relating the sparsely sampled k-space…

图像与视频处理 · 电气工程与系统科学 2023-11-23 Ruimin Feng , Qing Wu , Jie Feng , Huajun She , Chunlei Liu , Yuyao Zhang , Hongjiang Wei

In clinical imaging, magnetic resonance (MR) image volumes are often acquired as stacks of 2D slices with decreased scan times, improved signal-to-noise ratio, and image contrasts unique to 2D MR pulse sequences. While this is sufficient…

计算机视觉与模式识别 · 计算机科学 2026-03-09 Samuel W. Remedios , Shuwen Wei , Shuo Han , Jinwei Zhang , Aaron Carass , Kurt G. Schilling , Dzung L. Pham , Jerry L. Prince , Blake E. Dewey