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Single domain generalization (SDG) aims to train a robust model against unknown target domain shifts using data from a single source domain. Data augmentation has been proven an effective approach to SDG. However, the utility of standard…

计算机视觉与模式识别 · 计算机科学 2024-02-15 Guangtao Zheng , Mengdi Huai , Aidong Zhang

We consider the problem of data augmentation, i.e., generating artificial samples to extend a given corpus of training data. Specifically, we propose attributed-guided augmentation (AGA) which learns a mapping that allows to synthesize data…

计算机视觉与模式识别 · 计算机科学 2017-08-29 Mandar Dixit , Roland Kwitt , Marc Niethammer , Nuno Vasconcelos

Federated learning is a distributed paradigm that allows multiple parties to collaboratively train deep models without exchanging the raw data. However, the data distribution among clients is naturally non-i.i.d., which leads to severe…

机器学习 · 计算机科学 2023-01-31 Tianfei Zhou , Ender Konukoglu

Deep neural networks have shown exemplary performance on semantic scene understanding tasks on source domains, but due to the absence of style diversity during training, enhancing performance on unseen target domains using only single…

计算机视觉与模式识别 · 计算机科学 2024-03-29 Sumanth Udupa , Prajwal Gurunath , Aniruddh Sikdar , Suresh Sundaram

Face Anti-Spoofing (FAS) is pivotal in safeguarding facial recognition systems against presentation attacks. While domain generalization (DG) methods have been developed to enhance FAS performance, they predominantly focus on learning…

计算机视觉与模式识别 · 计算机科学 2024-03-29 Qianyu Zhou , Ke-Yue Zhang , Taiping Yao , Xuequan Lu , Shouhong Ding , Lizhuang Ma

Medical image segmentation plays a crucial role in clinical workflows, but domain shift often leads to performance degradation when models are applied to unseen clinical domains. This challenge arises due to variations in imaging…

计算机视觉与模式识别 · 计算机科学 2025-08-01 Yingkai Wang , Yaoyao Zhu , Xiuding Cai , Yuhao Xiao , Haotian Wu , Yu Yao

Artificial intelligence has emerged as a transformative tool in medical image analysis, yet developing robust and generalizable segmentation models remains difficult due to fragmented, privacy-constrained imaging data siloed across…

计算机视觉与模式识别 · 计算机科学 2026-02-25 Sachin Dudda Nagaraju , Ashkan Moradi , Bendik Skarre Abrahamsen , Mattijs Elschot

This paper investigates domain generalization: How to take knowledge acquired from an arbitrary number of related domains and apply it to previously unseen domains? We propose Domain-Invariant Component Analysis (DICA), a kernel-based…

机器学习 · 统计学 2013-01-11 Krikamol Muandet , David Balduzzi , Bernhard Schölkopf

Domain generalization (DG) focuses on transferring domain-invariant knowledge from multiple source domains (available at train time) to an, a priori, unseen target domain(s). This requires a class to be expressed in multiple domains for the…

机器学习 · 计算机科学 2023-06-02 Kimathi Kaai , Saad Hossain , Sirisha Rambhatla

Domain generalization (DG) aims to help models trained on a set of source domains generalize better on unseen target domains. The performances of current DG methods largely rely on sufficient labeled data, which are usually costly or…

计算机视觉与模式识别 · 计算机科学 2022-04-13 Xingxuan Zhang , Linjun Zhou , Renzhe Xu , Peng Cui , Zheyan Shen , Haoxin Liu

This work studies the generalization issue of face anti-spoofing (FAS) models on domain gaps, such as image resolution, blurriness and sensor variations. Most prior works regard domain-specific signals as a negative impact, and apply metric…

计算机视觉与模式识别 · 计算机科学 2023-03-27 Yiyou Sun , Yaojie Liu , Xiaoming Liu , Yixuan Li , Wen-Sheng Chu

Face image super resolution (face hallucination) usually relies on facial priors to restore realistic details and preserve identity information. Recent advances can achieve impressive results with the help of GAN prior. They either design…

计算机视觉与模式识别 · 计算机科学 2022-03-15 Jingwen He , Wu Shi , Kai Chen , Lean Fu , Chao Dong

As deep learning-based systems have become an integral part of everyday life, limitations in their generalization ability have begun to emerge. Machine learning algorithms typically rely on the i.i.d. assumption, meaning that their training…

计算机视觉与模式识别 · 计算机科学 2024-07-25 Aristotelis Ballas , Christos Diou

Enhancing the domain generalization performance of Face Anti-Spoofing (FAS) techniques has emerged as a research focus. Existing methods are dedicated to extracting domain-invariant features from various training domains. Despite the…

计算机视觉与模式识别 · 计算机科学 2024-01-31 Lianrui Mu , Jianhong Bai , Xiaoxuan He , Jiangnan Ye , Xiaoyu Liang , Yuchen Yang , Jiedong Zhuang , Haoji Hu

Q-learning algorithms are appealing for real-world applications due to their data-efficiency, but they are very prone to overfitting and training instabilities when trained from visual observations. Prior work, namely SVEA, finds that…

机器学习 · 计算机科学 2024-07-17 Abdulaziz Almuzairee , Nicklas Hansen , Henrik I. Christensen

Domain Generalization (DG) research has gained considerable traction as of late, since the ability to generalize to unseen data distributions is a requirement that eludes even state-of-the-art training algorithms. In this paper we observe…

机器学习 · 计算机科学 2025-07-22 Aristotelis Ballas , Christos Diou

Multi-source unsupervised domain adaptation aims to leverage labeled data from multiple source domains for training a machine learning model to generalize well on a target domain without labels. Source domain selection plays a crucial role…

机器学习 · 计算机科学 2024-11-12 Yao Ma , Samuel Louvan , Zhunxuan Wang

Medical images are usually collected from multiple domains, leading to domain shifts that impair the performance of medical image segmentation models. Domain Generalization (DG) aims to address this issue by training a robust model with…

图像与视频处理 · 电气工程与系统科学 2025-06-13 Xi Chen , Zhiqiang Shen , Peng Cao , Jinzhu Yang , Osmar R. Zaiane

Histopathological images are essential for medical diagnosis and treatment planning, but interpreting them accurately using machine learning can be challenging due to variations in tissue preparation, staining and imaging protocols. Domain…

计算机视觉与模式识别 · 计算机科学 2023-11-01 Vaibhav Khamankar , Sutanu Bera , Saumik Bhattacharya , Debashis Sen , Prabir Kumar Biswas

Data augmentations have been widely studied to improve the accuracy and robustness of classifiers. However, the potential of image augmentation in improving GAN models for image synthesis has not been thoroughly investigated in previous…

机器学习 · 计算机科学 2020-06-05 Zhengli Zhao , Zizhao Zhang , Ting Chen , Sameer Singh , Han Zhang