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We aim for source-free domain adaptation, where the task is to deploy a model pre-trained on source domains to target domains. The challenges stem from the distribution shift from the source to the target domain, coupled with the…

机器学习 · 计算机科学 2022-10-20 Mengmeng Jing , Xiantong Zhen , Jingjing Li , Cees G. M. Snoek

Fully Test-Time Adaptation (FTTA) addresses domain shifts without access to source data and training protocols of the pre-trained models. Traditional strategies that align source and target feature distributions are infeasible in FTTA due…

机器学习 · 计算机科学 2025-11-18 Ponhvoan Srey , Yaxin Shi , Hangwei Qian , Jing Li , Ivor W. Tsang

Addressing the rising concerns of privacy and security, domain adaptation in the dark aims to adapt a black-box source trained model to an unlabeled target domain without access to any source data or source model parameters. The need for…

计算机视觉与模式识别 · 计算机科学 2023-08-03 Chowdhury Sadman Jahan , Andreas Savakis

Improving model's generalizability against domain shifts is crucial, especially for safety-critical applications such as autonomous driving. Real-world domain styles can vary substantially due to environment changes and sensor noises, but…

计算机视觉与模式识别 · 计算机科学 2022-11-10 Qi Fan , Mattia Segu , Yu-Wing Tai , Fisher Yu , Chi-Keung Tang , Bernt Schiele , Dengxin Dai

Clinical machine learning models experience significantly degraded performance in datasets not seen during training, e.g., new hospitals or populations. Recent developments in domain generalization offer a promising solution to this problem…

Domain adaptation is a key strategy for enhancing the generalizability of deep learning models in real-world scenarios, where test distributions often diverge significantly from the training domain. However, conventional approaches…

机器学习 · 计算机科学 2025-11-06 Paria Mehrbod , Pedro Vianna , Geraldin Nanfack , Guy Wolf , Eugene Belilovsky

In this paper, we propose energy-based sample adaptation at test time for domain generalization. Where previous works adapt their models to target domains, we adapt the unseen target samples to source-trained models. To this end, we design…

机器学习 · 计算机科学 2023-02-23 Zehao Xiao , Xiantong Zhen , Shengcai Liao , Cees G. M. Snoek

Continual Test-Time Adaptation (CTTA) aims to adapt the source model to continually changing unlabeled target domains without access to the source data. Existing methods mainly focus on model-based adaptation in a self-training manner, such…

计算机视觉与模式识别 · 计算机科学 2023-02-14 Yulu Gan , Yan Bai , Yihang Lou , Xianzheng Ma , Renrui Zhang , Nian Shi , Lin Luo

Deep learning (DL) techniques are highly effective for defect detection from images. Training DL classification models, however, requires vast amounts of labeled data which is often expensive to collect. In many cases, not only the…

计算机视觉与模式识别 · 计算机科学 2023-06-02 Adrian Shuai Li , Elisa Bertino , Rih-Teng Wu , Ting-Yan Wu

In this paper, we introduce a collaborative training algorithm of balanced random forests with convolutional neural networks for domain adaptation tasks. In real scenarios, most domain adaptation algorithms face the challenges from noisy,…

计算机视觉与模式识别 · 计算机科学 2020-02-11 Jongbin Ryu , Jiun Bae , Jongwoo Lim

It is desirable to transfer the knowledge stored in a well-trained source model onto non-annotated target domain in the absence of source data. However, state-of-the-art methods for source free domain adaptation (SFDA) are subject to strict…

计算机视觉与模式识别 · 计算机科学 2021-06-24 Xin Luo , Wei Chen , Yusong Tan , Chen Li , Yulin He , Xiaogang Jia

Though remarkable progress has been achieved in various vision tasks, deep neural networks still suffer obvious performance degradation when tested in out-of-distribution scenarios. We argue that the feature statistics (mean and standard…

计算机视觉与模式识别 · 计算机科学 2022-04-25 Xiaotong Li , Yongxing Dai , Yixiao Ge , Jun Liu , Ying Shan , Ling-Yu Duan

Continual adaptation to domain shifts at test time (CTTA) is crucial for enhancing the intelligence of deep learning enabled IoT applications. However, prevailing TTA methods, which typically update all batch normalization (BN) layers,…

机器学习 · 计算机科学 2025-03-03 Youbing Hu , Yun Cheng , Zimu Zhou , Anqi Lu , Zhiqiang Cao , Zhijun Li

The goal of test-time adaptation is to adapt a source-pretrained model to a continuously changing target domain without relying on any source data. Typically, this is either done by updating the parameters of the model (model adaptation)…

计算机视觉与模式识别 · 计算机科学 2023-12-01 Mrigank Raman , Rohan Shah , Akash Kannan , Pranit Chawla

Reliable uncertainty estimates are an important tool for helping autonomous agents or human decision makers understand and leverage predictive models. However, existing approaches to estimating uncertainty largely ignore the possibility of…

机器学习 · 计算机科学 2020-05-22 Sangdon Park , Osbert Bastani , James Weimer , Insup Lee

The well known domain shift issue causes model performance to degrade when deployed to a new target domain with different statistics to training. Domain adaptation techniques alleviate this, but need some instances from the target domain to…

机器学习 · 计算机科学 2019-06-11 Yiying Li , Yongxin Yang , Wei Zhou , Timothy M. Hospedales

Recent reports suggest that a generic supervised deep CNN model trained on a large-scale dataset reduces, but does not remove, dataset bias. Fine-tuning deep models in a new domain can require a significant amount of labeled data, which for…

计算机视觉与模式识别 · 计算机科学 2015-10-09 Eric Tzeng , Judy Hoffman , Trevor Darrell , Kate Saenko

The central problem in biomedical imaging are batch effects: systematic technical variations unrelated to the biological signal of interest. These batch effects critically undermine experimental reproducibility and are the primary cause of…

机器学习 · 计算机科学 2026-04-23 Ana Sanchez-Fernandez , Thomas Pinetz , Werner Zellinger , Günter Klambauer

Unsupervised domain adaptation is a promising technique for semantic segmentation and other computer vision tasks for which large-scale data annotation is costly and time-consuming. In semantic segmentation, it is attractive to train models…

计算机视觉与模式识别 · 计算机科学 2021-05-19 Luke Melas-Kyriazi , Arjun K. Manrai

Since distribution shifts are likely to occur after a model's deployment and can drastically decrease the model's performance, online test-time adaptation (TTA) continues to update the model during test-time, leveraging the current test…

计算机视觉与模式识别 · 计算机科学 2024-01-03 Mario Döbler , Florian Marencke , Robert A. Marsden , Bin Yang