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We investigate probabilistic decoupling of labels supplied for training, from the underlying classes for prediction. Decoupling enables an inference scheme general enough to implement many classification problems, including supervised,…

机器学习 · 计算机科学 2019-05-30 Jeppe Nørregaard , Lars Kai Hansen

Learning from Label Proportions (LLP) is an established machine learning problem with numerous real-world applications. In this setting, data items are grouped into bags, and the goal is to learn individual item labels, knowing only the…

机器学习 · 计算机科学 2023-10-31 Gabriel Franco , Giovanni Comarela , Mark Crovella

To estimate a sparse linear model from data with Gaussian noise, consilience from lasso and compressed sensing literatures is that thresholding estimators like lasso and the Dantzig selector have the ability in some situations to identify…

机器学习 · 统计学 2017-08-14 Jairo Diaz-Rodriguez , Sylvain Sardy

We consider the problem of approximating a two-dimensional shape contour (or curve segment) using discrete assembly systems, which allow to build geometric structures based on limited sets of node and edge types subject to edge length and…

计算几何 · 计算机科学 2021-02-03 Andreas M. Tillmann , Leif Kobbelt

We consider the problem of exact community recovery in the Labeled Stochastic Block Model (LSBM) with $k$ communities, where each pair of vertices is associated with a label from the set $\{0,1, \dots, L\}$. A pair of vertices from…

统计理论 · 数学 2024-08-26 Julia Gaudio , Heming Liu

Machine learning algorithms are known to be susceptible to data poisoning attacks, where an adversary manipulates the training data to degrade performance of the resulting classifier. In this work, we present a unifying view of randomized…

机器学习 · 计算机科学 2021-02-24 Elan Rosenfeld , Ezra Winston , Pradeep Ravikumar , J. Zico Kolter

We revisit the classical problem of deriving convergence rates for the maximum likelihood estimator (MLE) in finite mixture models. The Wasserstein distance has become a standard loss function for the analysis of parameter estimation in…

统计理论 · 数学 2022-06-22 Tudor Manole , Nhat Ho

We study the problem of learning a mixture of multiple linear dynamical systems (LDSs) from unlabeled short sample trajectories, each generated by one of the LDS models. Despite the wide applicability of mixture models for time-series data,…

机器学习 · 统计学 2022-05-26 Yanxi Chen , H. Vincent Poor

A new lower bound on the average reconstruction error variance of multidimensional sampling and reconstruction is presented. It applies to sampling on arbitrary lattices in arbitrary dimensions, assuming a stochastic process with constant,…

信息论 · 计算机科学 2018-06-19 Erik Agrell , Balázs Csébfalvi

In most practical problems of classifier learning, the training data suffers from the label noise. Hence, it is important to understand how robust is a learning algorithm to such label noise. This paper presents some theoretical analysis to…

机器学习 · 计算机科学 2016-08-29 Aritra Ghosh , Naresh Manwani , P. S. Sastry

Most DNA sequencing technologies are based on the shotgun paradigm: many short reads are obtained from random unknown locations in the DNA sequence. A fundamental question, studied in arXiv:1203.6233, is what read length and coverage depth…

信息论 · 计算机科学 2022-02-09 Aditya Narayan Ravi , Alireza Vahid , Ilan Shomorony

Recalibrating probabilistic classifiers is vital for enhancing the reliability and accuracy of predictive models. Despite the development of numerous recalibration algorithms, there is still a lack of a comprehensive theory that integrates…

机器学习 · 计算机科学 2023-05-19 Zeyu Sun , Dogyoon Song , Alfred Hero

The classical setting of community detection consists of networks exhibiting a clustered structure. To more accurately model real systems we consider a class of networks (i) whose edges may carry labels and (ii) which may lack a clustered…

统计理论 · 数学 2014-06-27 Jiaming Xu , Laurent Massoulié , Marc Lelarge

Forensic firearms identification, the determination by a trained firearms examiner as to whether or not bullets or cartridges came from a common weapon, has long been a mainstay in the criminal courts. Reliability of forensic firearms…

应用统计 · 统计学 2022-04-20 Alan H. Dorfman , Richard Valliant

Maximum Likelihood Estimation (MLE) is the bread and butter of system inference for stochastic systems. In some generality, MLE will converge to the correct model in the infinite data limit. In the context of physical approaches to system…

机器学习 · 统计学 2020-03-11 Junghyo Jo , Danh-Tai Hoang , Vipul Periwal

We investigate the threshold widths of some symmetric properties which range asymptotically between 1/\sqrt{n} and 1/(log n). These properties are built using a combination of failure sets arising from reliability theory. This combination…

概率论 · 数学 2007-05-23 Raphaël Rossignol

Dropout Variational Inference, or Dropout Sampling, has been recently proposed as an approximation technique for Bayesian Deep Learning and evaluated for image classification and regression tasks. This paper investigates the utility of…

计算机视觉与模式识别 · 计算机科学 2018-04-19 Dimity Miller , Lachlan Nicholson , Feras Dayoub , Niko Sünderhauf

We present an automatic annotation pipeline to recover 9D cuboids and 3D shapes from pre-trained off-the-shelf 2D detectors and sparse LIDAR data. Our autolabeling method solves an ill-posed inverse problem by considering learned shape…

计算机视觉与模式识别 · 计算机科学 2020-04-03 Sergey Zakharov , Wadim Kehl , Arjun Bhargava , Adrien Gaidon

This paper presents a method to calculate the exact average block error probability of some random code ensembles under maximum-likelihood decoding. The proposed method is applicable to various channels and ensembles. The focus is on both…

信息论 · 计算机科学 2022-03-01 Ralf R. Müller

Quantification learning deals with the task of estimating the target label distribution under label shift. In this paper, we first present a unifying framework, distribution feature matching (DFM), that recovers as particular instances…

机器学习 · 统计学 2023-07-04 Bastien Dussap , Gilles Blanchard , Badr-Eddine Chérief-Abdellatif