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Deterministic mathematical models, such as those specified via differential equations, are a powerful tool to communicate scientific insight. However, such models are necessarily simplified descriptions of the real world. Generalised…

统计方法学 · 统计学 2025-03-24 Zheyang Shen , Jeremias Knoblauch , Sam Power , Chris. J. Oates

In some misspecified settings, the posterior distribution in Bayesian statistics may lead to inconsistent estimates. To fix this issue, it has been suggested to replace the likelihood by a pseudo-likelihood, that is the exponential of a…

统计理论 · 数学 2019-12-12 Badr-Eddine Chérief-Abdellatif , Pierre Alquier

Unsupervised domain adaptation is effective in leveraging rich information from a labeled source domain to an unlabeled target domain. Though deep learning and adversarial strategy made a significant breakthrough in the adaptability of…

机器学习 · 计算机科学 2020-08-25 You-Wei Luo , Chuan-Xian Ren , Dao-Qing Dai , Hong Yan

The Transformer-based detectors (i.e., DETR) have demonstrated impressive performance on end-to-end object detection. However, transferring DETR to different data distributions may lead to a significant performance degradation. Existing…

计算机视觉与模式识别 · 计算机科学 2023-07-04 Peidong Jia , Jiaming Liu , Senqiao Yang , Jiarui Wu , Xiaodong Xie , Shanghang Zhang

While deep learning has led to significant advances in visual recognition over the past few years, such advances often require a lot of annotated data. Unsupervised domain adaptation has emerged as an alternative approach that does not…

计算机视觉与模式识别 · 计算机科学 2018-12-03 Yunhan Zhao , Haider Ali , Rene Vidal

Unsupervised Domain Adaptation transfers knowledge from a labeled source domain to an unlabeled target domain. Directly deploying Vision-Language Models (VLMs) with prompt tuning in downstream UDA tasks faces the signifi cant challenge of…

计算机视觉与模式识别 · 计算机科学 2025-12-19 Chao Li , Dasha Hu , Chengyang Li , Yuming Jiang , Yuncheng Shen

Unsupervised domain adaptation aims to transfer knowledge from a labeled source domain to an unlabeled target domain. Previous methods focus on learning domain-invariant features to decrease the discrepancy between the feature distributions…

机器学习 · 计算机科学 2021-06-30 Yuntao Du , Yinghao Chen , Fengli Cui , Xiaowen Zhang , Chongjun Wang

Multi-domain generalization (mDG) is universally aimed to minimize the discrepancy between training and testing distributions to enhance marginal-to-label distribution mapping. However, existing mDG literature lacks a general learning…

机器学习 · 计算机科学 2024-12-19 Zhaorui Tan , Xi Yang , Kaizhu Huang

Ensuring the reliable operation of power transformers is critical to grid stability. Dissolved Gas Analysis (DGA) is widely used for fault diagnosis, but traditional methods rely on heuristic rules, which may lead to inconsistent results.…

机器学习 · 计算机科学 2025-05-22 Hootan Mahmoodiyan , Maryam Ahang , Mostafa Abbasi , Homayoun Najjaran

Unsupervised domain adaptation methods aim to alleviate performance degradation caused by domain-shift by learning domain-invariant representations. Existing deep domain adaptation methods focus on holistic feature alignment by matching…

机器学习 · 计算机科学 2018-11-20 Jun Wen , Risheng Liu , Nenggan Zheng , Qian Zheng , Zhefeng Gong , Junsong Yuan

In domain adaptation, covariate shift and label shift problems are two distinct and complementary tasks. In covariate shift adaptation where the differences in data distribution arise from variations in feature probabilities, existing…

机器学习 · 统计学 2023-12-13 Hongwei Wen , Annika Betken , Hanyuan Hang

Unsupervised domain adaptation (UDA) enables knowledge transfer from the labelled source domain to the unlabeled target domain by reducing the cross-domain discrepancy. However, most of the studies were based on direct adaptation from the…

计算机视觉与模式识别 · 计算机科学 2022-02-22 Qiuhao Zeng , Tianze Luo , Boyu Wang

Independence analysis is an indispensable step before regression analysis to find out essential factors that influence the objects. With many applications in machine Learning, medical Learning and a variety of disciplines, statistical…

统计方法学 · 统计学 2022-07-08 Wenliang Pan , Yujue Li , Jianwu Liu , Pei Dang , Weixiong Mai

Traditional domain generalization methods often rely on domain alignment to reduce inter-domain distribution differences and learn domain-invariant representations. However, domain shifts are inherently difficult to eliminate, which limits…

计算机视觉与模式识别 · 计算机科学 2024-12-10 Yuheng Xu , Taiping Zhang

It is always a challenge for recommender systems to give high-quality outcomes to cold-start users. One potential solution to alleviate the data sparsity problem for cold-start users in the target domain is to add data from the auxiliary…

信息检索 · 计算机科学 2024-02-06 Yuner Xuan

Two-sample hypothesis testing-determining whether two sets of data are drawn from the same distribution-is a fundamental problem in statistics and machine learning with broad scientific applications. In the context of nonparametric testing,…

机器学习 · 统计学 2026-04-21 Antoine Chatalic , Marco Letizia , Nicolas Schreuder , Lorenzo Rosasco

A major technique for tackling unsupervised domain adaptation involves mapping data points from both the source and target domains into a shared embedding space. The mapping encoder to the embedding space is trained such that the embedding…

计算机视觉与模式识别 · 计算机科学 2024-01-17 Mohammad Rostami

Domain adaptation aims to leverage a label-rich domain (the source domain) to help model learning in a label-scarce domain (the target domain). Most domain adaptation methods require the co-existence of source and target domain samples to…

计算机视觉与模式识别 · 计算机科学 2021-03-29 Jiayi Tian , Jing Zhang , Wen Li , Dong Xu

Matching information across image and text modalities is a fundamental challenge for many applications that involve both vision and natural language processing. The objective is to find efficient similarity metrics to compare the similarity…

计算机视觉与模式识别 · 计算机科学 2020-10-29 Li Ren , Kai Li , LiQiang Wang , Kien Hua

Traditional machine learning assumes that training and test sets are derived from the same distribution; however, this assumption does not always hold in practical applications. This distribution disparity can lead to severe performance…

机器学习 · 计算机科学 2025-02-18 Ahmad Chaddad , Yihang Wu , Yuchen Jiang , Ahmed Bouridane , Christian Desrosiers