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相关论文: Outlier-Aware Training for Improving Group Accurac…

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Deep learning models often rely only on a small set of features even when there is a rich set of predictive signals in the training data. This makes models brittle and sensitive to distribution shifts. In this work, we first examine vision…

计算机视觉与模式识别 · 计算机科学 2023-09-01 Armand Mihai Nicolicioiu , Andrei Liviu Nicolicioiu , Bogdan Alexe , Damien Teney

Conventional test-time adaptation (TTA) approaches typically adapt the model using only a small fraction of test samples, often those with low-entropy predictions, thereby failing to fully leverage the available information in the test…

计算机视觉与模式识别 · 计算机科学 2026-04-21 Nam Nguyen Phuong , Duc Nguyen The Minh , Phi Le Nguyen , Ehsan Abbasnejad , Minh Hoai

A critical barrier to learning an accurate decision rule for outlier detection is the scarcity of outlier data. As such, practitioners often turn to the use of similar but imperfect outlier data from which they might transfer information to…

机器学习 · 计算机科学 2023-10-10 Mohammadreza M. Kalan , Samory Kpotufe

Many existing group fairness-aware training methods aim to achieve the group fairness by either re-weighting underrepresented groups based on certain rules or using weakly approximated surrogates for the fairness metrics in the objective as…

机器学习 · 计算机科学 2023-03-02 Sangwon Jung , Taeeon Park , Sanghyuk Chun , Taesup Moon

Deep learning models have demonstrated exceptional performance across a wide range of computer vision tasks. However, their performance often degrades significantly when faced with distribution shifts, such as domain or dataset changes.…

计算机视觉与模式识别 · 计算机科学 2025-07-09 Samuel Barbeau , Pedram Fekri , David Osowiechi , Ali Bahri , Moslem Yazdanpanah , Masih Aminbeidokhti , Christian Desrosiers

Recent years have seen the ever-increasing importance of pre-trained models and their downstream training in deep learning research and applications. At the same time, the defense for adversarial examples has been mainly investigated in the…

机器学习 · 计算机科学 2023-03-21 Ziquan Liu , Yi Xu , Xiangyang Ji , Antoni B. Chan

Investigating outliers in large language models (LLMs) is crucial due to their significant impact on various aspects of LLM performance, including quantization and compression. Outliers often cause considerable quantization errors, leading…

计算与语言 · 计算机科学 2025-05-29 Rahul Raman , Khushi Sharma , Sai Qian Zhang

Offline post-training adapts a pretrained robot policy to a target dataset by supervised regression on recorded actions. In practice, robot datasets are heterogeneous: they mix embodiments, camera setups, and demonstrations of varying…

机器人学 · 计算机科学 2026-03-18 Wanpeng Zhang , Hao Luo , Sipeng Zheng , Yicheng Feng , Haiweng Xu , Ziheng Xi , Chaoyi Xu , Haoqi Yuan , Zongqing Lu

Although binary classification is a well-studied problem in computer vision, training reliable classifiers under severe class imbalance remains a challenging problem. Recent work has proposed techniques that mitigate the effects of training…

机器学习 · 计算机科学 2024-06-06 Kelsey Lieberman , Shuai Yuan , Swarna Kamlam Ravindran , Carlo Tomasi

Deep neural networks are learning models with a very high capacity and therefore prone to over-fitting. Many regularization techniques such as Dropout, DropConnect, and weight decay all attempt to solve the problem of over-fitting by…

机器学习 · 计算机科学 2016-12-06 Armen Aghajanyan

Neural networks are often overconfident about their predictions, which undermines their reliability and trustworthiness. In this work, we present a novel technique, named Error-Driven Uncertainty Aware Training (EUAT), which aims to enhance…

机器学习 · 计算机科学 2024-09-12 Pedro Mendes , Paolo Romano , David Garlan

In the absence of large labelled datasets, self-supervised learning techniques can boost performance by learning useful representations from unlabelled data, which is often more readily available. However, there is often a domain shift…

机器学习 · 计算机科学 2020-06-23 Linus Ericsson , Henry Gouk , Timothy M. Hospedales

Most of current anomaly detection models assume that the normal pattern remains same all the time. However, the normal patterns of Web services change dramatically and frequently. The model trained on old-distribution data is outdated after…

机器学习 · 计算机科学 2024-02-26 Feiyi Chen , Zhen Qin , Yingying Zhang , Shuiguang Deng , Yi Xiao , Guansong Pang , Qingsong Wen

Fine-tuning a pre-trained model on a downstream task often degrades its original capabilities, a phenomenon known as "catastrophic forgetting". This is especially an issue when one does not have access to the data and recipe used to develop…

机器学习 · 计算机科学 2025-06-13 Sunny Sanyal , Hayden Prairie , Rudrajit Das , Ali Kavis , Sujay Sanghavi

In a network meta-analysis, some of the collected studies may deviate markedly from the others, for example having very unusual effect sizes. These deviating studies can be regarded as outlying with respect to the rest of the network and…

统计方法学 · 统计学 2023-01-11 Silvia Metelli , Dimitris Mavridis , Perrine Créquit , Anna Chaimani

Datasets often contain biases which unfairly disadvantage certain groups, and classifiers trained on such datasets can inherit these biases. In this paper, we provide a mathematical formulation of how this bias can arise. We do so by…

机器学习 · 计算机科学 2019-01-16 Heinrich Jiang , Ofir Nachum

Anomaly Detectors are trained on healthy operating condition data and raise an alarm when the measured samples deviate from the training data distribution. This means that the samples used to train the model should be sufficient in quantity…

机器学习 · 计算机科学 2021-02-24 Gabriel Michau , Olga Fink

Recently, the concept of teaching has been introduced into machine learning, in which a teacher model is used to guide the training of a student model (which will be used in real tasks) through data selection, loss function design, etc.…

机器学习 · 计算机科学 2021-01-13 Yang Fan , Yingce Xia , Lijun Wu , Shufang Xie , Weiqing Liu , Jiang Bian , Tao Qin , Xiang-Yang Li

This paper proposes an approach for anomalous sound detection that incorporates outlier exposure and inlier modeling within a unified framework by multitask learning. While outlier exposure-based methods can extract features efficiently, it…

声音 · 计算机科学 2023-09-15 Yucong Zhang , Hongbin Suo , Yulong Wan , Ming Li

Out-of-scope intent detection is of practical importance in task-oriented dialogue systems. Since the distribution of outlier utterances is arbitrary and unknown in the training stage, existing methods commonly rely on strong assumptions on…

计算与语言 · 计算机科学 2021-06-18 Li-Ming Zhan , Haowen Liang , Bo Liu , Lu Fan , Xiao-Ming Wu , Albert Y. S. Lam