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相关论文: Multi-dimensional Signal Recovery using Low-rank D…

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Low-rank tensor estimation offers a powerful approach to addressing high-dimensional data challenges and can substantially improve solutions to ill-posed inverse problems, such as image reconstruction under noisy or undersampled conditions.…

机器学习 · 计算机科学 2025-02-06 Anh Van Nguyen , Diego Klabjan , Minseok Ryu , Kibaek Kim , Zichao Di

Low-rank regularization is an effective technique for addressing ill-posed inverse problems when the unknown variable exhibits low-rank characteristics. However, global low-rank assumptions do not always hold for seismic wavefields; in many…

地球物理 · 物理学 2024-12-20 Fuqiang Chen , Matteo Ravasi , David Keyes

This paper studies a recovery task of finding a low multilinear-rank tensor that fulfills some linear constraints in the general settings, which has many applications in computer vision and graphics. This problem is named as the low…

最优化与控制 · 数学 2013-10-08 Lei Yang , Zheng-Hai Huang , Yufan Li

Low-rankness of amplitude spectrograms has been effectively utilized in audio signal processing methods including non-negative matrix factorization. However, such methods have a fundamental limitation owing to their amplitude-only treatment…

音频与语音处理 · 电气工程与系统科学 2019-03-14 Yoshiki Masuyama , Kohei Yatabe , Yasuhiro Oikawa

We present a low-rank transformation approach to compensate for face variations due to changes in visual domains, such as pose and illumination. The key idea is to learn discriminative linear transformations for face images using matrix…

计算机视觉与模式识别 · 计算机科学 2013-08-02 Qiang Qiu , Guillermo Sapiro , Ching-Hui Chen

Low rank model arises from a wide range of applications, including machine learning, signal processing, computer algebra, computer vision, and imaging science. Low rank matrix recovery is about reconstructing a low rank matrix from…

数值分析 · 数学 2018-09-12 Jian-Feng Cai , Ke Wei

Low-rank approximations, of the weight and feature space can enhance the performance of deep learning models, whether in terms of improving generalization or reducing the latency of inference. However, there is no clear consensus yet on…

计算与语言 · 计算机科学 2024-05-24 Arnav Chavan , Nahush Lele , Deepak Gupta

It is now well known that Markov random fields (MRFs) are particularly effective for modeling image priors in low-level vision. Recent years have seen the emergence of two main approaches for learning the parameters in MRFs: (1)…

计算机视觉与模式识别 · 计算机科学 2014-01-17 Yunjin Chen , Thomas Pock , René Ranftl , Horst Bischof

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

Random Fourier features provide a way to tackle large-scale machine learning problems with kernel methods. Their slow Monte Carlo convergence rate has motivated the research of deterministic Fourier features whose approximation error can…

机器学习 · 计算机科学 2021-10-20 Frederiek Wesel , Kim Batselier

This paper presents a geometric analysis of the simultaneous blind deconvolution and phase retrieval (BDPR) problem via a structured low-rank tensor recovery framework. Due to the highly complicated structure of the associated sensing…

信号处理 · 电气工程与系统科学 2025-09-16 Xiao Liang , Zhen Qin , Zhihui Zhu , Shuang Li

In this paper, we propose a lower rank quaternion decomposition algorithm and apply it to color image inpainting. We introduce a concise form for the gradient of a real function in quaternion matrix variables. The optimality conditions of…

最优化与控制 · 数学 2020-09-30 Yannan Chen , Liqun Qi , Xinzhen Zhang , Yuwei Xu

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

Inferring the functional specificity of brain regions from functional Magnetic Resonance Images (fMRI) data is a challenging statistical problem. While the General Linear Model (GLM) remains the standard approach for brain mapping,…

In this paper, we propose a novel low-tubal-rank tensor recovery model, which directly constrains the tubal rank prior for effectively removing the mixed Gaussian and sparse noise in hyperspectral images. The constraints of tubal-rank and…

计算机视觉与模式识别 · 计算机科学 2019-05-16 Hao Zhang , Xi-Le Zhao , Tai-Xiang Jiang , Michael Kwok-Po Ng

The (efficient and parsimonious) decomposition of higher-order tensors is a fundamental problem with numerous applications in a variety of fields. Several methods have been proposed in the literature to that end, with the Tucker and PARAFAC…

综合数学 · 数学 2024-06-28 Sergio Rozada , Antonio G. Marques

Vision problems ranging from image clustering to motion segmentation to semi-supervised learning can naturally be framed as subspace segmentation problems, in which one aims to recover multiple low-dimensional subspaces from noisy and…

计算机视觉与模式识别 · 计算机科学 2013-10-17 Ameet Talwalkar , Lester Mackey , Yadong Mu , Shih-Fu Chang , Michael I. Jordan

This paper proposes a non-data-driven deep neural network for spectral image recovery problems such as denoising, single hyperspectral image super-resolution, and compressive spectral imaging reconstruction. Unlike previous methods, the…

计算机视觉与模式识别 · 计算机科学 2022-11-08 Tatiana Gelvez-Barrera , Jorge Bacca , Henry Arguello

Pooling second-order local feature statistics to form a high-dimensional bilinear feature has been shown to achieve state-of-the-art performance on a variety of fine-grained classification tasks. To address the computational demands of high…

计算机视觉与模式识别 · 计算机科学 2016-12-01 Shu Kong , Charless Fowlkes

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