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Discriminative approaches to classification often learn shortcuts that hold in-distribution but fail even under minor distribution shift. This failure mode stems from an overreliance on features that are spuriously correlated with the…

机器学习 · 计算机科学 2026-01-01 Alexander C. Li , Ananya Kumar , Deepak Pathak

Data analysis and machine learning have become an integrative part of the modern scientific methodology, providing automated techniques to predict further information based on observations. One of these classification and regression…

计算机视觉与模式识别 · 计算机科学 2019-01-07 Mario Amrehn , Firas Mualla , Elli Angelopoulou , Stefan Steidl , Andreas Maier

Neural networks are prone to be biased towards spurious correlations between classes and latent attributes exhibited in a major portion of training data, which ruins their generalization capability. We propose a new method for training…

机器学习 · 计算机科学 2023-05-02 Nayeong Kim , Sehyun Hwang , Sungsoo Ahn , Jaesik Park , Suha Kwak

In this research, we aim to compare the performance of different classical machine learning models and neural networks in identifying the frequency of occurrence of each digit in a given number. It has various applications in machine…

机器学习 · 计算机科学 2024-02-01 Padmaksh Khandelwal

Linear discriminant analysis is a widely used method for classification. However, the high dimensionality of predictors combined with small sample sizes often results in large classification errors. To address this challenge, it is crucial…

机器学习 · 统计学 2025-01-09 Hongzhe Zhang , Arnab Auddy , Hongzhe Lee

An adversarial attack paradigm explores various scenarios for the vulnerability of deep learning models: minor changes of the input can force a model failure. Most of the state of the art frameworks focus on adversarial attacks for images…

机器学习 · 计算机科学 2020-06-22 I. Fursov , A. Zaytsev , N. Kluchnikov , A. Kravchenko , E. Burnaev

Binary classification is highly used in credit scoring in the estimation of probability of default. The validation of such predictive models is based both on rank ability, and also on calibration (i.e. how accurately the probabilities…

计量经济学 · 经济学 2017-10-25 Pedro G. Fonseca , Hugo D. Lopes

We typically compute aggregate statistics on held-out test data to assess the generalization of machine learning models. However, statistics on test data often overstate model generalization, and thus, the performance of deployed machine…

机器学习 · 计算机科学 2021-02-12 Dylan Slack , Nathalie Rauschmayr , Krishnaram Kenthapadi

Training and evaluation of fair classifiers is a challenging problem. This is partly due to the fact that most fairness metrics of interest depend on both the sensitive attribute information and label information of the data points. In many…

机器学习 · 计算机科学 2021-02-18 Pranjal Awasthi , Alex Beutel , Matthaeus Kleindessner , Jamie Morgenstern , Xuezhi Wang

Despite the wide use of machine learning in adversarial settings including computer security, recent studies have demonstrated vulnerabilities to evasion attacks---carefully crafted adversarial samples that closely resemble legitimate…

密码学与安全 · 计算机科学 2017-05-26 Yi Han , Benjamin I. P. Rubinstein

Ensembles of classification and regression trees remain popular machine learning methods because they define flexible non-parametric models that predict well and are computationally efficient both during training and testing. During…

机器学习 · 计算机科学 2012-06-22 Sebastian Nowozin

Diffusion models have been applied to improve adversarial robustness of image classifiers by purifying the adversarial noises or generating realistic data for adversarial training. However, diffusion-based purification can be evaded by…

计算机视觉与模式识别 · 计算机科学 2024-05-22 Huanran Chen , Yinpeng Dong , Zhengyi Wang , Xiao Yang , Chengqi Duan , Hang Su , Jun Zhu

Adversarial training based on the maximum classifier discrepancy between two classifier structures has achieved great success in unsupervised domain adaptation tasks for image classification. The approach adopts the structure of two…

计算机视觉与模式识别 · 计算机科学 2022-04-19 Yiju Yang , Taejoon Kim , Guanghui Wang

Predictive maintenance (PdM) has become a crucial element of modern industrial practice. PdM plays a significant role in operational dependability and cost management by decreasing unforeseen downtime and optimizing asset life cycle…

机器学习 · 计算机科学 2025-06-26 Ainaz Jamshidi , Dongchan Kim , Muhammad Arif

Semantic segmentation of aerial point cloud data can be utilised to differentiate which points belong to classes such as ground, buildings, or vegetation. Point clouds generated from aerial sensors mounted to drones or planes can utilise…

计算机视觉与模式识别 · 计算机科学 2022-11-30 Matthew Howe , Boris Repasky , Timothy Payne

There is growing evidence that converting targets to soft targets in supervised learning can provide considerable gains in performance. Much of this work has considered classification, converting hard zero-one values to soft labels---such…

机器学习 · 统计学 2018-06-13 Ehsan Imani , Martha White

Citations are increasingly used for research evaluations. It is therefore important to identify factors affecting citation scores that are unrelated to scholarly quality or usefulness so that these can be taken into account. Regression is…

数字图书馆 · 计算机科学 2015-11-02 Mike Thelwall , Paul Wilson

We consider the problem of strategic classification, where a learner must build a model to classify agents based on features that have been strategically modified. Previous work in this area has concentrated on the case when the learner is…

机器学习 · 计算机科学 2025-05-19 Jack Geary , Henry Gouk

Deep regression models typically learn in an end-to-end fashion without explicitly emphasizing a regression-aware representation. Consequently, the learned representations exhibit fragmentation and fail to capture the continuous nature of…

机器学习 · 计算机科学 2023-10-11 Kaiwen Zha , Peng Cao , Jeany Son , Yuzhe Yang , Dina Katabi

Spurious correlations threaten the validity of statistical classifiers. While model accuracy may appear high when the test data is from the same distribution as the training data, it can quickly degrade when the test distribution changes.…

机器学习 · 计算机科学 2020-12-21 Zhao Wang , Aron Culotta