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相关论文: Truncated nuclear norm regularization for low-rank…

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Higher-order low-rank tensor arises in many data processing applications and has attracted great interests. Inspired by low-rank approximation theory, researchers have proposed a series of effective tensor completion methods. However, most…

计算机视觉与模式识别 · 计算机科学 2020-06-23 Haijin Zeng , Xiaozhen Xie , Jifeng Ning

In this paper, we study the problem of low-rank tensor learning, where only a few of training samples are observed and the underlying tensor has a low-rank structure. The existing methods are based on the sum of nuclear norms of unfolding…

机器学习 · 计算机科学 2024-10-25 Sijia Xia , Michael K. Ng , Xiongjun Zhang

The tensor train (TT) rank has received increasing attention in tensor completion due to its ability to capture the global correlation of high-order tensors ($\textrm{order} >3$). For third order visual data, direct TT rank minimization has…

计算机视觉与模式识别 · 计算机科学 2020-04-30 Meng Ding , Ting-Zhu Huang , Xi-Le Zhao , Michael K. Ng , Tian-Hui Ma

We study the low-rank phase retrieval problem, where the objective is to recover a sequence of signals (typically images) given the magnitude of linear measurements of those signals. Existing solutions involve recovering a matrix…

图像与视频处理 · 电气工程与系统科学 2022-02-18 Soo Min Kwon , Xin Li , Anand D. Sarwate

Low-rank tensor models have been applied in accelerating dynamic magnetic resonance imaging (dMRI). Recently, a new tensor nuclear norm based on t-SVD has been proposed and applied to tensor completion. Inspired by the different properties…

图像与视频处理 · 电气工程与系统科学 2022-06-03 Yinghao Zhang , Yue Hu

This paper conducts a rigorous analysis for provable estimation of multidimensional arrays, in particular third-order tensors, from a random subset of its corrupted entries. Our study rests heavily on a recently proposed tensor algebraic…

机器学习 · 计算机科学 2017-08-03 Jonathan Q. Jiang , Michael K. Ng

For the problems of low-rank matrix completion, the efficiency of the widely-used nuclear norm technique may be challenged under many circumstances, especially when certain basis coefficients are fixed, for example, the low-rank correlation…

最优化与控制 · 数学 2015-06-23 Weimin Miao , Shaohua Pan , Defeng Sun

Low-rank quaternion tensor completion method, a novel approach to recovery color videos and images is proposed in this paper. We respectively reconstruct a color image and a color video as a quaternion matrix (second-order tensor) and a…

数值分析 · 数学 2020-01-30 Jifei Miao , Kit Ian Kou , Wankai Liu

Low-rank tensor completion recovers missing entries based on different tensor decompositions. Due to its outstanding performance in exploiting some higher-order data structure, low rank tensor ring has been applied in tensor completion. To…

机器学习 · 计算机科学 2020-07-14 Huyan Huang , Yipeng Liu , Ce Zhu

A novel low-rank completion algorithm based on the quaternion tensor is proposed in this paper. This approach uses the TQt-rank of quaternion tensor to maintain the structure of RGB channels throughout the entire process. In more detail,…

图像与视频处理 · 电气工程与系统科学 2022-12-19 Liqiao Yang , Kit Ian Kou , Jifei Miao , Yang Liu , Maggie Pui Man Hoi

As low-rank modeling has achieved great success in tensor recovery, many research efforts devote to defining the tensor rank. Among them, the recent popular tensor tubal rank, defined based on the tensor singular value decomposition…

计算机视觉与模式识别 · 计算机科学 2018-12-04 Yu-Bang Zheng , Ting-Zhu Huang , Xi-Le Zhao , Tai-Xiang Jiang , Teng-Yu Ji , Tian-Hui Ma

The low-tubal-rank tensor model has been recently proposed for real-world multidimensional data. In this paper, we study the low-tubal-rank tensor completion problem, i.e., to recover a third-order tensor by observing a subset of its…

机器学习 · 计算机科学 2016-10-12 Xiao-Yang Liu , Shuchin Aeron , Vaneet Aggarwal , Xiaodong Wang

Tensor completion is an extension of matrix completion aimed at recovering a multiway data tensor by leveraging a given subset of its entries (observations) and the pattern of observation. The low-rank assumption is key in establishing a…

数值分析 · 数学 2026-03-12 Shakir Showkat Sofi , Lieven De Lathauwer

Due to the high flexibility and remarkable performance, low-rank approximation methods has been widely studied for color image denoising. However, those methods mostly ignore either the cross-channel difference or the spatial variation of…

图像与视频处理 · 电气工程与系统科学 2024-03-05 Yiwen Shan , Dong Hu , Zhi Wang

Compressed sensing extends from the recovery of sparse vectors from undersampled measurements via efficient algorithms to the recovery of matrices of low rank from incomplete information. Here we consider a further extension to the…

数值分析 · 数学 2014-11-04 Holger Rauhut , Reinhold Schneider , Zeljka Stojanac

Multi-dimensional images, such as color images and multi-spectral images, are highly correlated and contain abundant spatial and spectral information. However, real-world multi-dimensional images are usually corrupted by missing entries. By…

计算机视觉与模式识别 · 计算机科学 2020-05-05 Xi-Le Zhao , Wen-Hao Xu , Tai-Xiang Jiang , Yao Wang , Michael Ng

This paper considers the completion problem for a tensor (also referred to as a multidimensional array) from limited sampling. Our greedy method is based on extending the low-rank approximation pursuit (LRAP) method for matrix completions…

数值分析 · 数学 2020-04-21 An-Bao Xu

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

Low-rankness is important in the hyperspectral image (HSI) denoising tasks. The tensor nuclear norm (TNN), defined based on the tensor singular value decomposition, is a state-of-the-art method to describe the low-rankness of HSI. However,…

图像与视频处理 · 电气工程与系统科学 2022-06-22 Xiaozhen Xie , Sheng Liu

The nuclear norm minimization (NNM) is commonly used to approximate the matrix rank by shrinking all singular values equally. However, the singular values have clear physical meanings in many practical problems, and NNM may not be able to…

计算机视觉与模式识别 · 计算机科学 2019-05-13 Zhiyuan Zha , Bihan Wen , Jiachao Zhang , Jiantao Zhou , Ce Zhu