中文
相关论文

相关论文: GaussDetect-LiNGAM:Causal Direction Identification…

200 篇论文

Noisy labels are unavoidable yet troublesome in the ecosystem of deep learning because models can easily overfit them. There are many types of label noise, such as symmetric, asymmetric and instance-dependent noise (IDN), with IDN being the…

计算机视觉与模式识别 · 计算机科学 2022-09-05 Arpit Garg , Cuong Nguyen , Rafael Felix , Thanh-Toan Do , Gustavo Carneiro

In this paper we study the asymptotics of linear regression in settings with non-Gaussian covariates where the covariates exhibit a linear dependency structure, departing from the standard assumption of independence. We model the covariates…

机器学习 · 统计学 2024-12-10 Behrad Moniri , Hamed Hassani

Causal inference methods based on conditional independence construct Markov equivalent graphs, and cannot be applied to bivariate cases. The approaches based on independence of cause and mechanism state, on the contrary, that causal…

机器学习 · 计算机科学 2021-08-04 Nataliya Sokolovska , Pierre-Henri Wuillemin

This paper is concerned with test of the conditional independence. We first establish an equivalence between the conditional independence and the mutual independence. Based on the equivalence, we propose an index to measure the conditional…

统计方法学 · 统计学 2021-05-18 Zhanrui Cai , Runze Li , Yaowu Zhang

Deep generative modeling has led to new and state of the art approaches for enforcing structural priors in a variety of inverse problems. In contrast to priors given by sparsity, deep models can provide direct low-dimensional…

最优化与控制 · 数学 2018-12-12 Wen Huang , Paul Hand , Reinhard Heckel , Vladislav Voroninski

Tomographic reconstruction, despite its revolutionary impact on a wide range of applications, suffers from its ill-posed nature in that there is no unique solution because of limited and noisy measurements. Therefore, in the absence of…

应用统计 · 统计学 2023-04-10 Agnimitra Dasgupta , Carlo Graziani , Zichao Wendy Di

Despite the remarkable success, recent reconstruction-based anomaly detection (AD) methods via diffusion modeling still involve fine-grained noise-strength tuning and computationally expensive multi-step denoising, leading to a fundamental…

计算机视觉与模式识别 · 计算机科学 2026-03-13 Shunsuke Sakai , Xiangteng He , Chunzhi Gu , Leonid Sigal , Tatsuhito Hasegawa

LiNGAM determines the variable order from cause to effect using additive noise models, but it faces challenges with confounding. Previous methods maintained LiNGAM's fundamental structure while trying to identify and address variables…

机器学习 · 计算机科学 2025-10-07 Joe Suzuki , Tian-Le Yang

This article presents a novel method for causal discovery with generalized structural equation models suited for analyzing diverse types of outcomes, including discrete, continuous, and mixed data. Causal discovery often faces challenges…

统计方法学 · 统计学 2023-10-26 Minjie Wang , Xiaotong Shen , Wei Pan

We consider the problem of recovering a signal observed in Gaussian noise. If the set of signals is convex and compact, and can be specified beforehand, one can use classical linear estimators that achieve a risk within a constant factor of…

统计理论 · 数学 2017-06-05 Dmitry Ostrovsky , Zaid Harchaoui , Anatoli Juditsky , Arkadi Nemirovski

In real-world problems, environmental noise is often idealized as Gaussian white noise, despite potential temporal dependencies. The Linear Inverse Model (LIM) is a class of data-driven methods that extract dynamic and stochastic…

数值分析 · 数学 2025-05-01 Justin Lien , Yan-Ning Kuo , Hiroyasu Ando , Shoichiro Kido

This paper presents a linear regression based back-end for speaker verification. Linear regression is a simple linear model that minimizes the mean squared estimation error between the target and its estimate with a closed form solution,…

声音 · 计算机科学 2018-02-13 Xiao-Lei Zhang

Anomaly detection is valuable for real-world applications, such as industrial quality inspection. However, most approaches focus on detecting local structural anomalies while neglecting compositional anomalies incorporating logical…

计算机视觉与模式识别 · 计算机科学 2025-03-25 Jinjin Zhang , Guodong Wang , Yizhou Jin , Di Huang

A fundamental step in many data-analysis techniques is the construction of an affinity matrix describing similarities between data points. When the data points reside in Euclidean space, a widespread approach is to from an affinity matrix…

机器学习 · 统计学 2021-01-27 Boris Landa , Ronald R. Coifman , Yuval Kluger

Reliability analysis aims at estimating the failure probability of an engineering system. It often requires multiple runs of a limit-state function, which usually relies on computationally intensive simulations. Traditionally, these…

统计计算 · 统计学 2024-01-22 Anderson V. Pires , Maliki Moustapha , Stefano Marelli , Bruno Sudret

We introduce a method based on Gaussian process regression to identify discrete variational principles from observed solutions of a field theory. The method is based on the data-based identification of a discrete Lagrangian density. It is a…

数值分析 · 数学 2024-07-11 Christian Offen

The Linear Inverse Model (LIM) is a class of data-driven methods that construct approximate linear stochastic models to represent complex observational data. The stochastic forcing can be modeled using either Gaussian white noise or…

数值分析 · 数学 2025-04-03 Justin Lien , Hiroyasu Ando

Instrumental variable (IV) and proximal causal learning (Proxy) methods are central frameworks for causal inference in the presence of unobserved confounding. Despite substantial methodological advances, existing approaches rarely provide…

机器学习 · 统计学 2026-03-03 Yuqi Zhang , Krikamol Muandet , Dino Sejdinovic , Edwin Fong , Siu Lun Chau

Causal discovery is to learn cause-effect relationships among variables given observational data and is important for many applications. Existing causal discovery methods assume data sufficiency, which may not be the case in many real world…

机器学习 · 计算机科学 2022-06-20 Zijun Cui , Naiyu Yin , Yuru Wang , Qiang Ji

Fault detection is crucial to ensure the reliability of navigation systems. However, mainstream fault detection methods are developed based on Gaussian assumptions on nominal errors, while current attempts at non-Gaussian fault detection…

信号处理 · 电气工程与系统科学 2026-01-01 Penggao Yan , Baoshan Song , Xiao Xia , Weisong Wen , Li-Ta Hsu