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Robust Principal Component Analysis (RPCA) is a fundamental technique for decomposing data into low-rank and sparse components, which plays a critical role for applications such as image processing and anomaly detection. Traditional RPCA…

机器学习 · 计算机科学 2024-12-20 Kexin Li , You-wei Wen , Xu Xiao , Mingchao Zhao

Multi-modal Magnetic Resonance Imaging (MRI) offers complementary diagnostic information, but some modalities are limited by the long scanning time. To accelerate the whole acquisition process, MRI reconstruction of one modality from highly…

图像与视频处理 · 电气工程与系统科学 2025-01-09 Hao Zhang , Qi Wang , Jun Shi , Shihui Ying , Zhijie Wen

While deep neural networks have achieved impressive success in image compressive sensing (CS), most of them lack flexibility when dealing with multi-ratio tasks and multi-scene images in practical applications. To tackle these challenges,…

计算机视觉与模式识别 · 计算机科学 2021-03-23 Di You , Jingfen Xie , Jian Zhang

Recent research on problem formulations based on decomposition into low-rank plus sparse matrices shows a suitable framework to separate moving objects from the background. The most representative problem formulation is the Robust Principal…

计算机视觉与模式识别 · 计算机科学 2016-11-29 Thierry Bouwmans , Andrews Sobral , Sajid Javed , Soon Ki Jung , El-Hadi Zahzah

Deep neural networks (DNN) have achieved great success in image restoration. However, most DNN methods are designed as a black box, lacking transparency and interpretability. Although some methods are proposed to combine traditional…

计算机视觉与模式识别 · 计算机科学 2022-04-29 Chong Mou , Qian Wang , Jian Zhang

This paper presents a new method for reconstructing regions of interest (ROI) from a limited number of computed tomography (CT) measurements. Classical model-based iterative reconstruction methods lead to images with predictable features.…

图像与视频处理 · 电气工程与系统科学 2023-05-18 Marion Savanier , Emilie Chouzenoux , Jean-Christophe Pesquet , Cyril Riddell

A process centric view of robust PCA (RPCA) allows its fast approximate implementation based on a special form o a deep neural network with weights shared across all layers. However, empirically this fast approximation to RPCA fails to find…

神经与进化计算 · 计算机科学 2014-12-30 Maximilian Karl , Christian Osendorfer

A network supporting deep unsupervised learning is presented. The network is an autoencoder with lateral shortcut connections from the encoder to decoder at each level of the hierarchy. The lateral shortcut connections allow the higher…

机器学习 · 统计学 2015-02-03 Harri Valpola

Matrix low rank approximation including the classical PCA and the robust PCA (RPCA) method have been applied to solve the background modeling problem in video analysis. Recently, it has been demonstrated that a special weighted low rank…

最优化与控制 · 数学 2017-03-21 Aritra Dutta , Xin Li

This work presents a new robust PCA method for foreground-background separation on freely moving camera video with possible dense and sparse corruptions. Our proposed method registers the frames of the corrupted video and then encodes the…

机器学习 · 统计学 2019-01-07 Brian E. Moore , Chen Gao , Raj Rao Nadakuditi

Recurrent convolution (RC) shares the same convolutional kernels and unrolls them multiple steps, which is originally proposed to model time-space signals. We argue that RC can be viewed as a model compression strategy for deep…

计算机视觉与模式识别 · 计算机科学 2019-02-27 Zhendong Zhang , Cheolkon Jung

We present a solution for the goal of extracting a video from a single motion blurred image to sequentially reconstruct the clear views of a scene as beheld by the camera during the time of exposure. We first learn motion representation…

计算机视觉与模式识别 · 计算机科学 2022-01-31 Kuldeep Purohit , Anshul Shah , A. N. Rajagopalan

Particle Image Velocimetry (PIV) data processing procedures are adversely affected by light reflections and backgrounds as well as defects in the models and sticky particles that occlude the inner walls of the boundaries. In this paper, a…

计算机视觉与模式识别 · 计算机科学 2019-08-19 Ahmadreza Baghaie

Backpropagation algorithm is indispensable for the training of feedforward neural networks. It requires propagating error gradients sequentially from the output layer all the way back to the input layer. The backward locking in…

机器学习 · 计算机科学 2018-07-24 Zhouyuan Huo , Bin Gu , Qian Yang , Heng Huang

Deep learning-based methods have revolutionized the field of imaging inverse problems, yielding state-of-the-art performance across various imaging domains. The best performing networks incorporate the imaging operator within the network…

计算机视觉与模式识别 · 计算机科学 2026-01-06 Romain Vo , Julián Tachella

Obtaining pairs of low/normal-light videos, with motions, is more challenging than still images, which raises technical issues and poses the technical route of unpaired learning as a critical role. This paper makes endeavors in the…

计算机视觉与模式识别 · 计算机科学 2024-08-23 Lingyu Zhu , Wenhan Yang , Baoliang Chen , Hanwei Zhu , Zhangkai Ni , Qi Mao , Shiqi Wang

Of particular interest is to discover useful representations solely from observations in an unsupervised generative manner. However, the question of whether existing normalizing flows provide effective representations for downstream tasks…

计算机视觉与模式识别 · 计算机科学 2022-08-24 Shen Li , Bryan Hooi

In this work, we study the online robust principal components' analysis (RPCA) problem. In recent work, RPCA has been defined as a problem of separating a low-rank matrix (true data), $L$, and a sparse matrix (outliers), $S$, from their…

信息论 · 计算机科学 2016-02-01 Jinchun Zhan , Brian Lois , Namrata Vaswani

While the depth of convolutional neural networks has attracted substantial attention in the deep learning research, the width of these networks has recently received greater interest. The width of networks, defined as the size of the…

计算机视觉与模式识别 · 计算机科学 2024-06-25 Peng Liu , Xiaoxiao Zhou , Yangjunyi Li , El Basha Mohammad D , Ruogu Fang

While deep feature learning has revolutionized techniques for static-image understanding, the same does not quite hold for video processing. Architectures and optimization techniques used for video are largely based off those for static…

计算机视觉与模式识别 · 计算机科学 2017-12-13 Achal Dave , Olga Russakovsky , Deva Ramanan