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Compressed Sensing MRI (CS-MRI) has shown promise in reconstructing under-sampled MR images, offering the potential to reduce scan times. Classical techniques minimize a regularized least-squares cost function using an expensive iterative…

图像与视频处理 · 电气工程与系统科学 2020-07-30 Alan Q. Wang , Adrian V. Dalca , Mert R. Sabuncu

Although recent deep learning methods, especially generative models, have shown good performance in fast magnetic resonance imaging, there is still much room for improvement in high-dimensional generation. Considering that internal…

计算机视觉与模式识别 · 计算机科学 2022-12-13 Wei Zhang , Zengwei Xiao , Hui Tao , Minghui Zhang , Xiaoling Xu , Qiegen Liu

Advanced tensor decomposition, such as Tensor train (TT) and Tensor ring (TR), has been widely studied for deep neural network (DNN) model compression, especially for recurrent neural networks (RNNs). However, compressing convolutional…

计算机视觉与模式识别 · 计算机科学 2021-07-28 Miao Yin , Yang Sui , Siyu Liao , Bo Yuan

We propose a unified deep meta-learning framework for accelerated magnetic resonance imaging (MRI) that jointly addresses multi-coil reconstruction and cross-modality synthesis. Motivated by the limitations of conventional methods in…

最优化与控制 · 数学 2026-03-10 Merham Fouladvand , Peuroly Batra

Recently, low-rank tensor completion has become increasingly attractive in recovering incomplete visual data. Considering a color image or video as a three-dimensional (3D) tensor, existing studies have put forward several definitions of…

计算机视觉与模式识别 · 计算机科学 2019-01-09 Shengke Xue , Wenyuan Qiu , Fan Liu , Xinyu Jin

Achieving efficient and robust multi-channel data learning is a challenging task in data science. By exploiting low-rankness in the transformed domain, i.e., transformed low-rankness, tensor Singular Value Decomposition (t-SVD) has achieved…

机器学习 · 计算机科学 2023-12-21 Andong Wang , Chao Li , Mingyuan Bai , Zhong Jin , Guoxu Zhou , Qibin Zhao

Deep neural networks (DNNs) have delivered a remarkable performance in many tasks of computer vision. However, over-parameterized representations of popular architectures dramatically increase their computational complexity and storage…

计算机视觉与模式识别 · 计算机科学 2022-05-31 Chang Nie , Huan Wang , Lu Zhao

We present a new approach for representing and reconstructing multidimensional magnetic resonance imaging (MRI) data. Our method builds on a novel, learned feature-based image representation that disentangles different types of features,…

图像与视频处理 · 电气工程与系统科学 2026-01-01 Ruiyang Zhao , Fan Lam

As a 3-order tensor, a multi-spectral image (MSI) has dozens of spectral bands, which can deliver more information for real scenes. However, real MSIs are often corrupted by noises in the sensing process, which will further deteriorate the…

图像与视频处理 · 电气工程与系统科学 2018-12-10 Xiao Gong , Wei Chen

We propose a new framework for the analysis of low-rank tensors which lies at the intersection of spectral graph theory and signal processing. As a first step, we present a new graph based low-rank decomposition which approximates the…

计算机视觉与模式识别 · 计算机科学 2016-11-16 Nauman Shahid , Francesco Grassi , Pierre Vandergheynst

We propose a new type of efficient deep-unrolling networks for solving imaging inverse problems. Conventional deep-unrolling methods require full forward operator and its adjoint across each layer, and hence can be significantly more…

图像与视频处理 · 电气工程与系统科学 2022-02-16 Junqi Tang , Subhadip Mukherjee , Carola-Bibiane Schönlieb

Deep neural network based methods have achieved promising results for CT metal artifact reduction (MAR), most of which use many synthesized paired images for training. As synthesized metal artifacts in CT images may not accurately reflect…

图像与视频处理 · 电气工程与系统科学 2020-07-09 Chuang Niu , Wenxiang Cong , Fenglei Fan , Hongming Shan , Mengzhou Li , Jimin Liang , Ge Wang

A dynamic graph (DG) is frequently encountered in numerous real-world scenarios. Consequently, A dynamic graph convolutional network (DGCN) has been successfully applied to perform precise representation learning on a DG. However,…

机器学习 · 计算机科学 2025-04-23 Minglian Han

To develop a deep-learning method for achieving fast high-resolution MR elastography from highly undersampled data without the need of high-quality training dataset. We first framed the deep neural network representation as a nonlinear…

信号处理 · 电气工程与系统科学 2026-01-21 Xi Peng

Recently, the \textit{Tensor Nuclear Norm~(TNN)} regularization based on t-SVD has been widely used in various low tubal-rank tensor recovery tasks. However, these models usually require smooth change of data along the third dimension to…

机器学习 · 计算机科学 2021-06-16 Hao Kong , Canyi Lu , Zhouchen Lin

Radio maps enrich radio propagation and spectrum occupancy information, which provides fundamental support for the operation and optimization of wireless communication systems. Traditional radio maps are mainly achieved by extensive manual…

信号处理 · 电气工程与系统科学 2025-02-10 Yao Wang , Xin Wu , Lianming Xu , Na Liu , Li Wang

Tensor Networks (TN) offer a powerful framework to efficiently represent very high-dimensional objects. TN have recently shown their potential for machine learning applications and offer a unifying view of common tensor decomposition models…

机器学习 · 计算机科学 2021-06-24 Meraj Hashemizadeh , Michelle Liu , Jacob Miller , Guillaume Rabusseau

Tensor decomposition is one of the fundamental technique for model compression of deep convolution neural networks owing to its ability to reveal the latent relations among complex structures. However, most existing methods compress the…

计算机视觉与模式识别 · 计算机科学 2021-12-08 Bo-Shiuan Chu , Che-Rung Lee

Recently it has been shown that tensor networks (TNs) have the ability to represent the expected return of a single-agent finite Markov decision process (FMDP). The TN represents a distribution model, where all possible trajectories are…

机器学习 · 计算机科学 2024-01-09 Sunny Howard

Dynamic magnetic resonance imaging (DMRI) is an effective imaging tool for diagnosis tasks that require motion tracking of a certain anatomy. To speed up DMRI acquisition, k-space measurements are commonly undersampled along spatial or…

图像与视频处理 · 电气工程与系统科学 2023-09-20 Di Xu , Hengjie Liu , Dan Ruan , Ke Sheng