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Robust estimation is essential in computer vision, robotics, and navigation, aiming to minimize the impact of outlier measurements for improved accuracy. We present a fast algorithm for Geman-McClure robust estimation, FracGM, leveraging…

计算机视觉与模式识别 · 计算机科学 2024-11-22 Bang-Shien Chen , Yu-Kai Lin , Jian-Yu Chen , Chih-Wei Huang , Jann-Long Chern , Ching-Cherng Sun

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

In this work, we propose a new invariant for $2$D persistence modules called the compressed multiplicity and show that it generalizes the notions of the dimension vector and the rank invariant. In addition, for a $2$D persistence module…

表示论 · 数学 2023-08-17 Hideto Asashiba , Emerson G. Escolar , Ken Nakashima , Michio Yoshiwaki

Short-length Reed--Muller codes under majority-logic decoding are of particular importance for efficient hardware implementations in real-time and embedded systems. This paper significantly improves Chen's two-step majority-logic decoding…

信息论 · 计算机科学 2013-10-17 Peter Hauck , Michael Huber , Juliane Bertram , Dennis Brauchle , Sebastian Ziesche

Robustness is a fundamental pillar of Machine Learning (ML) classifiers, substantially determining their reliability. Methods for assessing classifier robustness are therefore essential. In this work, we address the challenge of evaluating…

机器学习 · 计算机科学 2026-01-19 Georg Siedel , Silvia Vock , Andrey Morozov , Stefan Voß

Locally recoverable (LRC) codes provide a solution to single node failure in distributed storage systems, where it is a very common problem. On the other hand, linear complementary dual (LCD) codes are useful in fault injections attacks on…

信息论 · 计算机科学 2020-11-09 Charul Rajput , Maheshanand Bhaintwal , Ramakrishna Bandi

Image reconstruction in Multispectral Computed Tomography (MSCT) requires solving a challenging nonlinear inverse problem, commonly tackled via iterative optimization algorithms. Existing methods necessitate computing the derivative of the…

数值分析 · 数学 2024-02-20 Thomas Prohaszka , Lukas Neumann , Markus Haltmeier

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

DNA has immense potential as an emerging data storage medium. The principle of DNA storage is the conversion and flow of digital information between binary code stream, quaternary base, and actual DNA fragments. This process will inevitably…

信息检索 · 计算机科学 2022-10-21 Yun Qin , Fei Zhu , Bo Xi

Locally repairable codes (LRCs) are considered with equal or unequal localities, local distances and local field sizes. An explicit two-layer architecture with a sum-rank outer code is obtained, having disjoint local groups and achieving…

信息论 · 计算机科学 2019-04-25 Umberto Martínez-Peñas , Frank R. Kschischang

Porting GCC to new architecture requires writing a Machine Description (MD) file that contains mapping from GCC's intermediate form to the target assembly code. Constructing an MD file is a difficult task because it requires the user to…

编程语言 · 计算机科学 2013-10-04 Saravana Perumal P , Amey Karkare

The usual Minimum Covariance Determinant (MCD) estimator of a covariance matrix is robust against casewise outliers. These are cases (that is, rows of the data matrix) that behave differently from the majority of cases, raising suspicion…

统计方法学 · 统计学 2024-07-08 Jakob Raymaekers , Peter J. Rousseeuw

A standard method for finding a rational number from its values modulo a collection of primes is to determine its value modulo the product of the primes via Chinese remaindering, and then use Farey sequences for rational reconstruction.…

交换代数 · 数学 2016-01-05 Janko Boehm , Wolfram Decker , Claus Fieker , Gerhard Pfister

A cumbersome operation in numerical analysis and linear algebra, optimization, machine learning and engineering algorithms; is inverting large full-rank matrices which appears in various processes and applications. This has both numerical…

数值分析 · 数学 2022-06-24 Neophytos Charalambides , Mert Pilanci , Alfred O. Hero

We consider the problem of reconstructing an image from compressive measurements using a multi-resolution grid. In this context, the reconstructed image is divided into multiple regions, each one with a different resolution. This problem…

计算机视觉与模式识别 · 计算机科学 2016-02-19 Adriana Gonzalez , Hong Jiang , Gang Huang , Laurent Jacques

This paper is concerned with the question of reconstructing a vector in a finite-dimensional real Hilbert space when only the magnitudes of the coefficients of the vector under a redundant linear map are known. We analyze various Lipschitz…

泛函分析 · 数学 2013-08-23 Radu Balan , Yang Wang

This paper studies the problem of distributionally robust model predictive control (MPC) using total variation distance ambiguity sets. For a discrete-time linear system with additive disturbances, we provide a conditional value-at-risk…

系统与控制 · 电气工程与系统科学 2022-06-27 Anushri Dixit , Mohamadreza Ahmadi , Joel W. Burdick

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

We prove a multivariate central limit theorem with explicit error bound on a non-smooth function distance for sums of bounded decomposable $d$-dimensional random vectors. The decomposition structure is similar to that of Barbour, Karo\'nski…

概率论 · 数学 2015-05-19 Xiao Fang

Mixed linear regression (MLR) has attracted increasing attention because of its great theoretical and practical importance in capturing nonlinear relationships by utilizing a mixture of linear regression sub-models. Although considerable…

机器学习 · 统计学 2025-03-25 Yujing Liu , Zhixin Liu , Lei Guo