中文
相关论文

相关论文: SamRobNODDI: Q-Space Sampling-Augmented Continuous…

200 篇论文

Discrete diffusion language models (dLLMs) have recently emerged as a promising alternative to traditional autoregressive approaches, offering the flexibility to generate tokens in arbitrary orders and the potential of parallel decoding.…

机器学习 · 计算机科学 2026-04-28 Enshu Liu , Xuefei Ning , Yu Wang , Zinan Lin

We present PROSUB: PROgressive SUBsampling, a deep learning based, automated methodology that subsamples an oversampled data set (e.g. multi-channeled 3D images) with minimal loss of information. We build upon a recent dual-network approach…

图像与视频处理 · 电气工程与系统科学 2022-10-12 Stefano B. Blumberg , Hongxiang Lin , Francesco Grussu , Yukun Zhou , Matteo Figini , Daniel C. Alexander

Diffusion-based super-resolution (SR) models have recently garnered significant attention due to their potent restoration capabilities. But conventional diffusion models perform noise sampling from a single distribution, constraining their…

计算机视觉与模式识别 · 计算机科学 2025-02-13 Chengcheng Wang , Zhiwei Hao , Yehui Tang , Jianyuan Guo , Yujie Yang , Kai Han , Yunhe Wang

Purpose: Common to most MRSI techniques, the spatial resolution and the minimal scan duration of Deuterium Metabolic Imaging (DMI) are limited by the achievable SNR. This work presents a deep learning method for sensitivity enhancement of…

图像与视频处理 · 电气工程与系统科学 2023-09-15 Siyuan Dong , Henk M. De Feyter , Monique A. Thomas , Robin A. de Graaf , James S. Duncan

Millimeter-wave massive multiple-input multiple-output systems employ highly directional beamforming to overcome severe path loss, and their performance critically depends on accurate beam alignment. Conventional codebook-based methods…

信号处理 · 电气工程与系统科学 2026-02-26 Weijie Jin , Jing Zhang , Hengtao He , Chao-Kai Wen , Xiao Li , Shi Jin

Localizing more sources than sensors with a sparse linear array (SLA) has long relied on minimizing a distance between two covariance matrices and recent algorithms often utilize semidefinite programming (SDP). Although deep neural network…

信号处理 · 电气工程与系统科学 2025-03-11 Kuan-Lin Chen , Bhaskar D. Rao

Magnetic Resonance Imaging (MRI) provides detailed structural information, while functional MRI (fMRI) captures temporal brain activity. In this work, we present a multimodal deep learning framework that integrates MRI and fMRI for…

计算机视觉与模式识别 · 计算机科学 2026-03-17 Anima Kujur , Zahra Monfared

Multimodal learning robust to missing modality has attracted increasing attention due to its practicality. Existing methods tend to address it by learning a common subspace representation for different modality combinations. However, we…

计算机视觉与模式识别 · 计算机科学 2024-07-08 Shicai Wei , Yang Luo , Yuji Wang , Chunbo Luo

Magnetic Resonance Spectroscopic Imaging (MRSI) is an essential tool for quantifying metabolites in the body, but the low spatial resolution limits its clinical applications. Deep learning-based super-resolution methods provided promising…

图像与视频处理 · 电气工程与系统科学 2022-07-22 Siyuan Dong , Gilbert Hangel , Eric Z. Chen , Shanhui Sun , Wolfgang Bogner , Georg Widhalm , Chenyu You , John A. Onofrey , Robin de Graaf , James S. Duncan

Entropy and mutual information in neural networks provide rich information on the learning process, but they have proven difficult to compute reliably in high dimensions. Indeed, in noisy and high-dimensional data, traditional estimates in…

计算机视觉与模式识别 · 计算机科学 2023-12-11 Danqi Liao , Chen Liu , Benjamin W. Christensen , Alexander Tong , Guillaume Huguet , Guy Wolf , Maximilian Nickel , Ian Adelstein , Smita Krishnaswamy

Recent self-supervised advances in medical computer vision exploit global and local anatomical self-similarity for pretraining prior to downstream tasks such as segmentation. However, current methods assume i.i.d. image acquisition, which…

计算机视觉与模式识别 · 计算机科学 2023-12-13 Mengwei Ren , Neel Dey , Martin A. Styner , Kelly Botteron , Guido Gerig

Brain imaging classification is commonly approached from two perspectives: modeling the full image volume to capture global anatomical context, or constructing ROI-based graphs to encode localized and topological interactions. Although both…

计算机视觉与模式识别 · 计算机科学 2026-03-12 Wei Liang , Lifang He

Optimizing 3D k-space sampling trajectories for efficient MRI is important yet challenging. This work proposes a generalized framework for optimizing 3D non-Cartesian sampling patterns via data-driven optimization. We built a differentiable…

信号处理 · 电气工程与系统科学 2022-09-23 Guanhua Wang , Jon-Fredrik Nielsen , Jeffrey A. Fessler , Douglas C. Noll

Magnetic Resonance Imaging (MRI) is a critical tool in modern medical diagnostics, yet its prolonged acquisition time remains a critical limitation, especially in time-sensitive clinical scenarios. While undersampling strategies can…

图像与视频处理 · 电气工程与系统科学 2025-10-09 Mohammed Alsubaie , Wenxi Liu , Linxia Gu , Ovidiu C. Andronesi , Sirani M. Perera , Xianqi Li

Cross-platform verification, a critical undertaking in the realm of early-stage quantum computing, endeavors to characterize the similarity of two imperfect quantum devices executing identical algorithms, utilizing minimal measurements.…

量子物理 · 物理学 2023-11-08 Yang Qian , Yuxuan Du , Zhenliang He , Min-hsiu Hsieh , Dacheng Tao

Diffusion magnetic resonance imaging (dMRI) plays a vital role in both clinical diagnostics and neuroscience research. However, its inherently low signal-to-noise ratio (SNR), especially under high diffusion weighting, significantly…

定量方法 · 定量生物学 2026-02-27 Jine Xie , Zhicheng Zhang , Yunwei Chen , Yanqiu Feng , Xinyuan Zhang

Breast cancer is the second most common type of cancer in women in Canada and the United States, representing over 25\% of all new female cancer cases. As such, there has been immense research and progress on improving screening and…

计算机视觉与模式识别 · 计算机科学 2023-08-07 Chi-en Amy Tai , Hayden Gunraj , Nedim Hodzic , Nic Flanagan , Ali Sabri , Alexander Wong

In MRI, deep neural networks have been proposed to reconstruct diffusion model parameters. However, the inputs of the networks were designed for a specific diffusion gradient scheme (i.e., diffusion gradient directions and numbers) and a…

图像与视频处理 · 电气工程与系统科学 2021-02-05 Juhung Park , Woojin Jung , Eun-Jung Choi , Se-Hong Oh , Dongmyung Shin , Hongjun An , Jongho Lee

Summary: SAMRI is an MRI-specialized adaptation of the Segment Anything Model achieving superior whole-body MRI segmentation, particularly for small and clinically critical structures, through box and point prompts for rapid annotation.…

图像与视频处理 · 电气工程与系统科学 2026-05-19 Zhao Wang , Wei Dai , Thuy Thanh Dao , Steffen Bollmann , Hongfu Sun , Craig Engstrom , Shekhar S. Chandra

We propose a novel approach to denoising diffusion magnetic resonance images (dMRI) using convolutional neural networks, that exploits the benefits of data acquired at multiple b-values to offset the need for many redundant observations.…

图像与视频处理 · 电气工程与系统科学 2024-10-23 Jakub Jurek , Andrzej Materka , Kamil Ludwisiak , Agata Majos , Filip Szczepankiewicz