中文
相关论文

相关论文: Nonlocal Low-Rank Tensor Factor Analysis for Image…

200 篇论文

Low-rank tensor approximation approaches have become an important tool in the scientific computing community. The aim is to enable the simulation and analysis of high-dimensional problems which cannot be solved using conventional methods…

数值分析 · 数学 2019-02-26 Patrick Gelß , Stefan Klus , Sebastian Matera , Christof Schütte

Tensor ring (TR) decomposition is a powerful tool for exploiting the low-rank nature of multiway data and has demonstrated great potential in a variety of important applications. In this paper, nonnegative tensor ring (NTR) decomposition…

计算机视觉与模式识别 · 计算机科学 2020-10-13 Yuyuan Yu , Guoxu Zhou , Ning Zheng , Shengli Xie , Qibin Zhao

Recent approaches based on transform-based tensor nuclear norm (TNN) have demonstrated notable effectiveness in hyperspectral image (HSI) inpainting by leveraging low-rank structures in latent representations. Recent developments…

计算机视觉与模式识别 · 计算机科学 2025-06-23 Yunshan Li , Wenwu Gong , Qianqian Wang , Chao Wang , Lili Yang

The affine rank minimization (ARM) problem arises in many real-world applications. The goal is to recover a low-rank matrix from a small amount of noisy affine measurements. The original problem is NP-hard, and so directly solving the…

信息论 · 计算机科学 2020-01-08 Zhipeng Xue , Xiaojun Yuan , Junjie Ma , Yi Ma

For the high dimensional data representation, nonnegative tensor ring (NTR) decomposition equipped with manifold learning has become a promising model to exploit the multi-dimensional structure and extract the feature from tensor data.…

机器学习 · 计算机科学 2021-09-07 Xinhai Zhao , Yuyuan Yu , Guoxu Zhou , Qibin Zhao , Weijun Sun

Computational reconstruction plays a vital role in computer vision and computational photography. Most of the conventional optimization and deep learning techniques explore local information for reconstruction. Recently, nonlocal low-rank…

图像与视频处理 · 电气工程与系统科学 2023-01-10 Daoyu Li , Hanwen Xu , Miao Cao , Xin Yuan , David J. Brady , Liheng Bian

In a broad range of computer vision applications, the purpose of Low-rank matrix approximation (LRMA) models is to recover the underlying low-rank matrix from its degraded observation. The latest LRMA methods - Robust Principal Component…

计算机视觉与模式识别 · 计算机科学 2020-07-27 K. V. Sridhar , Raghu vamshi Hemadri

This paper introduces a general framework of Semi-parametric TEnsor Factor Analysis (STEFA) that focuses on the methodology and theory of low-rank tensor decomposition with auxiliary covariates. Semi-parametric TEnsor Factor Analysis models…

统计方法学 · 统计学 2024-04-03 Elynn Y. Chen , Dong Xia , Chencheng Cai , Jianqing Fan

Tensor decompositions, which represent an $N$-order tensor using approximately $N$ factors of much smaller dimensions, can significantly reduce the number of parameters. This is particularly beneficial for high-order tensors, as the number…

机器学习 · 计算机科学 2025-06-23 Zhen Qin , Michael B. Wakin , Zhihui Zhu

Large CNNs have delivered impressive performance in various computer vision applications. But the storage and computation requirements make it problematic for deploying these models on mobile devices. Recently, tensor decompositions have…

机器学习 · 计算机科学 2016-02-16 Cheng Tai , Tong Xiao , Yi Zhang , Xiaogang Wang , Weinan E

We introduce a structured low rank matrix completion algorithm to recover a series of images from their under-sampled measurements, where the signal along the parameter dimension at every pixel is described by a linear combination of…

计算机视觉与模式识别 · 计算机科学 2017-07-13 Arvind Balachandrasekaran , Vincent Magnotta , Mathews Jacob

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

We present a novel method for local image feature matching. Instead of performing image feature detection, description, and matching sequentially, we propose to first establish pixel-wise dense matches at a coarse level and later refine the…

计算机视觉与模式识别 · 计算机科学 2021-04-02 Jiaming Sun , Zehong Shen , Yuang Wang , Hujun Bao , Xiaowei Zhou

In this paper, we study the problem of a batch of linearly correlated image alignment, where the observed images are deformed by some unknown domain transformations, and corrupted by additive Gaussian noise and sparse noise simultaneously.…

计算机视觉与模式识别 · 计算机科学 2022-12-14 Sijia Xia , Duo Qiu , Xiongjun Zhang

Matrix factorizations and their extensions to tensor factorizations and decompositions have become prominent techniques for linear and multilinear blind source separation (BSS), especially multiway Independent Component Analysis (ICA),…

数值分析 · 计算机科学 2013-05-03 Andrzej Cichocki

This paper tackles the problem of recovering a low-rank signal tensor with possibly correlated components from a random noisy tensor, or so-called spiked tensor model. When the underlying components are orthogonal, they can be recovered…

机器学习 · 统计学 2023-03-20 Mohamed El Amine Seddik , Mohammed Mahfoud , Merouane Debbah

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

Total variation has proved its effectiveness in solving inverse problems for compressive sensing. Besides, the nonlocal means filter used as regularization preserves texture better for recovered images, but it is quite complex to implement.…

计算机视觉与模式识别 · 计算机科学 2016-08-30 Trinh Van Chien , Khanh Quoc Dinh , Viet Anh Nguyen , Byeungwoo Jeon

Recently, there has been a growing interest in efficient numerical algorithms based on tensor networks and low-rank techniques to approximate high-dimensional functions and solutions to high-dimensional PDEs. In this paper, we propose a new…

数值分析 · 数学 2023-08-16 Alec Dektor , Daniele Venturi

Activation functions (AFs) are an important part of the design of neural networks (NNs), and their choice plays a predominant role in the performance of a NN. In this work, we are particularly interested in the estimation of flexible…

机器学习 · 计算机科学 2021-06-28 Yassine Zniyed , Konstantin Usevich , Sebastian Miron , David Brie