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We consider the problem of single link failure in an elastic optical network, (also known as flex-grid WDM network). The task is to reroute optical connections that go through the broken link using free capacity of other links of the…

网络与互联网体系结构 · 计算机科学 2024-06-17 Alexander Rubtsov , Bruno Bauwens , Dmitri Shmelkin , Elizaveta Rudenko , Alexey Lavrov

Although end-to-end Neural Machine Translation (NMT) has achieved remarkable progress in the past two years, it suffers from a major drawback: translations generated by NMT systems often lack of adequacy. It has been widely observed that…

计算与语言 · 计算机科学 2016-11-22 Zhaopeng Tu , Yang Liu , Lifeng Shang , Xiaohua Liu , Hang Li

Robust matrix completion aims to recover a low-rank matrix from a subset of noisy entries perturbed by complex noises, where traditional methods for matrix completion may perform poorly due to utilizing $l_2$ error norm in optimization. In…

信息论 · 计算机科学 2020-02-19 Yicong He , Fei Wang , Yingsong Li , Jing Qin , Badong Chen

Robust tensor completion (RTC) aims to recover a low-rank tensor from its incomplete observation with outlier corruption. The recently proposed tensor ring (TR) model has demonstrated superiority in solving the RTC problem. However, the…

机器学习 · 计算机科学 2023-02-16 Zhenhao Huang , Yuning Qiu , Xinqi Chen , Weijun Sun , Guoxu Zhou

This paper presents an efficient algorithm for robust network reconstruction of Linear Time-Invariant (LTI) systems in the presence of noise, estimation errors and unmodelled nonlinearities. The method here builds on previous work on robust…

动力系统 · 数学 2016-11-18 David Hayden , Ye Yuan , Jorge Gonçalves

Image reconstruction from insufficient data is common in computed tomography (CT), e.g., image reconstruction from truncated data, limited-angle data and sparse-view data. Deep learning has achieved impressive results in this field.…

图像与视频处理 · 电气工程与系统科学 2020-05-21 Yixing Huang , Alexander Preuhs , Michael Manhart , Guenter Lauritsch , Andreas Maier

Machine reading comprehension (MRC) is a crucial task in natural language processing and has achieved remarkable advancements. However, most of the neural MRC models are still far from robust and fail to generalize well in real-world…

计算与语言 · 计算机科学 2021-07-22 Hongxuan Tang , Hongyu Li , Jing Liu , Yu Hong , Hua Wu , Haifeng Wang

Implicit Neural Representations (INRs) encode discrete signals in a continuous manner using neural networks, demonstrating significant value across various multimedia applications. However, the vulnerability of INRs presents a critical…

计算机视觉与模式识别 · 计算机科学 2025-08-20 Wenyong Zhou , Yuxin Cheng , Zhengwu Liu , Taiqiang Wu , Chen Zhang , Ngai Wong

Lattice rules are among the most prominently studied quasi-Monte Carlo methods to approximate multivariate integrals. A rank-$1$ lattice rule to approximate an $s$-dimensional integral is fully specified by its \emph{generating vector}…

数值分析 · 数学 2023-01-02 Peter Kritzer

We propose a new class of efficient decoding algorithms for Reed-Muller (RM) codes over binary-input memoryless channels. The algorithms are based on projecting the code on its cosets, recursively decoding the projected codes (which are…

信息论 · 计算机科学 2020-02-27 Min Ye , Emmanuel Abbe

We propose an approach to lossy source coding, utilizing ideas from Gibbs sampling, simulated annealing, and Markov Chain Monte Carlo (MCMC). The idea is to sample a reconstruction sequence from a Boltzmann distribution associated with an…

信息论 · 计算机科学 2016-11-17 Shirin Jalali , Tsachy Weissman

In resource-constrained environments, one can employ spatial multiplexing cameras to acquire a small number of measurements of a scene, and perform effective reconstruction or high-level inference using purely data-driven neural networks.…

计算机视觉与模式识别 · 计算机科学 2018-09-11 Suhas Lohit , Rajhans Singh , Kuldeep Kulkarni , Pavan Turaga

Numerous dual-energy CT (DECT) techniques have been developed in the past few decades. Dual-energy CT (DECT) statistical iterative reconstruction (SIR) has demonstrated its potential for reducing noise and increasing accuracy. Our lab…

图像与视频处理 · 电气工程与系统科学 2023-02-02 Tao Ge , Maria Medrano , Rui Liao , David G. Politte , Jeffrey F. Williamson , Bruce R. Whiting , Joseph A. O'Sullivan

Electrical Impedance Tomography gives rise to the severely ill-posed Calder\'on problem of determining the electrical conductivity distribution in a bounded domain from knowledge of the associated Dirichlet-to-Neumann map for the governing…

偏微分方程分析 · 数学 2022-01-26 Kim Knudsen , Aksel K. Rasmussen

Orthogonal frequency division multiplexing (OFDM) is a widely adopted wireless communication technique but is sensitive to the carrier frequency offset (CFO). For high-mobility environments, severe Doppler shifts cause the CFO to extend…

信号处理 · 电气工程与系统科学 2023-12-29 Wei Huang , Jun Wang , Xiaoping Li , Qihang Peng

Protocol sequences are used for channel access in the collision channel without feedback. Each user accesses the channel according to a deterministic zero-one pattern, called the protocol sequence. In order to minimize fluctuation of…

信息论 · 计算机科学 2010-11-10 Kenneth W. Shum , Wing Shing Wong

Accurate estimation of regional wall thicknesses (RWT) of left ventricular (LV) myocardium from cardiac MR sequences is of significant importance for identification and diagnosis of cardiac disease. Existing RWT estimation still relies on…

计算机视觉与模式识别 · 计算机科学 2017-05-30 Wufeng Xue , Ilanit Ben Nachum , Sachin Pandey , James Warrington , Stephanie Leung , Shuo Li

This paper presents a novel Direct Integration Theorem (DIT), derived as a non-trivial corollary of the classical Central Slice Theorem (CST). The DIT provides a mathematically consistent transition from the continuous to the discrete…

计算机视觉与模式识别 · 计算机科学 2026-05-14 Mikhail G. Mozerov

In this work, we address the problem of outlier detection for robust motion estimation by using modern sparse-low-rank decompositions, i.e., Robust PCA-like methods, to impose global rank constraints. Robust decompositions have shown to be…

计算机视觉与模式识别 · 计算机科学 2014-10-23 German Ros , Jose Alvarez , Julio Guerrero

Sum-rank-metric codes have wide applications in universal error correction, multishot network coding, space-time coding and the construction of partial-MDS codes for repair in distributed storage. Fundamental properties of sum-rank-metric…

信息论 · 计算机科学 2023-07-06 Hao Chen