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相关论文: Undercomplete Blind Subspace Deconvolution

200 篇论文

Blind deconvolution (BD), the resolution of a signal and a filter given their convolution, arises in many applications. Without further constraints, BD is ill-posed. In practice, subspace or sparsity constraints have been imposed to reduce…

信息论 · 计算机科学 2015-05-14 Yanjun Li , Kiryung Lee , Yoram Bresler

We introduce the concept of compressed convolution, a technique to convolve a given data set with a large number of non-orthogonal kernels. In typical applications our technique drastically reduces the effective number of computations. The…

天体物理仪器与方法 · 物理学 2014-01-08 F. Elsner , B. D. Wandelt

In this paper, we address the problem of extracting all super-Gaussian source signals from a linear mixture in which (i) the number of super-Gaussian sources $K$ is less than that of sensors $M$, and (ii) there are up to $M - K$ stationary…

信号处理 · 电气工程与系统科学 2021-05-05 Rintaro Ikeshita , Tomohiro Nakatani , Shoko Araki

With the popularity of multimedia technology, information is always represented or transmitted from multiple views. Most of the existing algorithms are graph-based ones to learn the complex structures within multiview data but overlooked…

机器学习 · 计算机科学 2020-10-19 Huibing Wang , Yang Wang , Zhao Zhang , Xianping Fu , Zhuo Li , Mingliang Xu , Meng Wang

Blind deconvolution is an ubiquitous non-linear inverse problem in applications like wireless communications and image processing. This problem is generally ill-posed since signal identifiability is a key concern, and there have been…

信息论 · 计算机科学 2019-04-09 Sunav Choudhary , Urbashi Mitra

Although the advances of self-supervised blind denoising are significantly superior to conventional approaches without clean supervision in synthetic noise scenarios, it shows poor quality in real-world images due to spatially correlated…

计算机视觉与模式识别 · 计算机科学 2023-02-22 Kanggeun Lee , Kyungryun Lee , Won-Ki Jeong

Blind image super-resolution (BISR) aims to reconstruct a high-resolution image from its low-resolution counterpart degraded by unknown blur kernel and noise. Many deep neural network based methods have been proposed to tackle this…

图像与视频处理 · 电气工程与系统科学 2022-03-14 Hongyi Zheng , Hongwei Yong , Lei Zhang

This paper describes an efficient unsupervised learning method for a neural source separation model that utilizes a probabilistic generative model of observed multichannel mixtures proposed for blind source separation (BSS). For this…

声音 · 计算机科学 2023-06-21 Yoshiaki Bando , Yoshiki Masuyama , Aditya Arie Nugraha , Kazuyoshi Yoshii

The Canonical Correlation Analysis (CCA) family of methods is foundational in multiview learning. Regularised linear CCA methods can be seen to generalise Partial Least Squares (PLS) and be unified with a Generalized Eigenvalue Problem…

机器学习 · 计算机科学 2024-05-02 James Chapman , Lennie Wells , Ana Lawry Aguila

This paper comprehensively reviews the recent development of image deblurring, including non-blind/blind, spatially invariant/variant deblurring techniques. Indeed, these techniques share the same objective of inferring a latent sharp image…

计算机视觉与模式识别 · 计算机科学 2014-09-25 Ruxin Wang , Dacheng Tao

Rotating synthetic aperture (RSA) imaging system captures images of the target scene at different rotation angles by rotating a rectangular aperture. Deblurring acquired RSA images plays a critical role in reconstructing a latent sharp…

统计方法学 · 统计学 2025-02-03 Dao Lin , Jian Zhang , Martin Benning

We generalize the low-rank decomposition problem, such as principal and independent component analysis (PCA, ICA) for continuous-time vector-valued signals and provide a model-agnostic implicit neural signal representation framework to…

机器学习 · 计算机科学 2025-07-15 Shayan K. Azmoodeh , Krishna Subramani , Paris Smaragdis

Image denoising is a classical problem in low level computer vision. Model-based optimization methods and deep learning approaches have been the two main strategies for solving the problem. Model-based optimization methods are flexible for…

计算机视觉与模式识别 · 计算机科学 2018-12-31 Chang Liu , Zhaowei Shang , Anyong Qin

Blind source separation (BSS) refers to the process of recovering multiple source signals from observations recorded by an array of sensors. Common approaches to BSS, including independent vector analysis (IVA), and independent low-rank…

声音 · 计算机科学 2025-11-11 Jianyu Wang , Shanzheng Guan , Nicolas Dobigeon , Jingdong Chen

Short-and-sparse deconvolution (SaSD) is the problem of extracting localized, recurring motifs in signals with spatial or temporal structure. Variants of this problem arise in applications such as image deblurring, microscopy, neural spike…

信号处理 · 电气工程与系统科学 2019-10-02 Yenson Lau , Qing Qu , Han-Wen Kuo , Pengcheng Zhou , Yuqian Zhang , John Wright

Multichannel blind deconvolution is the problem of recovering an unknown signal $f$ and multiple unknown channels $x_i$ from their circular convolution $y_i=x_i \circledast f$ ($i=1,2,\dots,N$). We consider the case where the $x_i$'s are…

信息论 · 计算机科学 2019-03-19 Yanjun Li , Yoram Bresler

Cross-view classification that means to classify samples from heterogeneous views is a significant yet challenging problem in computer vision. A promising approach to handle this problem is the multi-view subspace learning (MvSL), which…

计算机视觉与模式识别 · 计算机科学 2018-05-22 Xinge You , Jiamiao Xu , Wei Yuan , Xiao-Yuan Jing , Dacheng Tao , Taiping Zhang

Despite the great success of deep model on Hyperspectral imagery (HSI) super-resolution(SR) for simulated data, most of them function unsatisfactory when applied to the real data, especially for unsupervised HSI SR methods. One of the main…

图像与视频处理 · 电气工程与系统科学 2020-12-04 Jiangtao Nie , Lei Zhang , Wei Wei , Zhiqiang Lang , Yanning Zhang

Due to limited size and imperfect of the optical components in a spectrometer, aberration has inevitably been brought into two-dimensional multi-fiber spectrum image in LAMOST, which leads to obvious spacial variation of the point spread…

天体物理仪器与方法 · 物理学 2020-10-28 Jiali Xu , Qian Yin , Ping Guo , Xin Zheng

In this paper, we tackle the problem of blind image super-resolution(SR) with a reformulated degradation model and two novel modules. Following the common practices of blind SR, our method proposes to improve both the kernel estimation as…

图像与视频处理 · 电气工程与系统科学 2022-03-28 Ziwei Luo , Haibin Huang , Lei Yu , Youwei Li , Haoqiang Fan , Shuaicheng Liu