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Current deep learning models for dynamics forecasting struggle with generalization. They can only forecast in a specific domain and fail when applied to systems with different parameters, external forces, or boundary conditions. We propose…

机器学习 · 计算机科学 2022-10-13 Rui Wang , Robin Walters , Rose Yu

We consider the problem of single-source domain generalization. Existing methods typically rely on extensive augmentations to synthetically cover diverse domains during training. However, they struggle with semantic shifts (e.g., background…

计算机视觉与模式识别 · 计算机科学 2025-04-08 Aishwarya Agarwal , Srikrishna Karanam , Vineet Gandhi

We propose a novel approach for domain generalisation (DG) leveraging risk distributions to characterise domains, thereby achieving domain invariance. In our findings, risk distributions effectively highlight differences between training…

机器学习 · 计算机科学 2023-10-31 Toan Nguyen , Kien Do , Bao Duong , Thin Nguyen

Domain generalization aims to improve the generalization capability of machine learning systems to out-of-distribution (OOD) data. Existing domain generalization techniques embark upon stationary and discrete environments to tackle the…

机器学习 · 计算机科学 2022-06-17 Tiexin Qin , Shiqi Wang , Haoliang Li

Domain generalization (DG) aims to learn a generic model from multiple observed source domains that generalizes well to arbitrary unseen target domains without further training. The major challenge in DG is that the model inevitably faces a…

机器学习 · 计算机科学 2023-09-19 Jintao Guo , Lei Qi , Yinghuan Shi , Yang Gao

Data augmentation is one of the most effective techniques for regularizing deep learning models and improving their recognition performance in a variety of tasks and domains. However, this holds for standard in-domain settings, in which the…

In the transformative landscape of smart cities, the integration of the cutting-edge web technologies into time series forecasting presents a pivotal opportunity to enhance urban planning, sustainability, and economic growth. The…

机器学习 · 计算机科学 2024-05-10 Ziyi Zhang , Shaogang Ren , Xiaoning Qian , Nick Duffield

Due to domain shift, deep neural networks (DNNs) usually fail to generalize well on unknown test data in practice. Domain generalization (DG) aims to overcome this issue by capturing domain-invariant representations from source domains.…

机器学习 · 计算机科学 2022-11-10 Feng Hou , Yao Zhang , Yang Liu , Jin Yuan , Cheng Zhong , Yang Zhang , Zhongchao Shi , Jianping Fan , Zhiqiang He

Deep Neural Networks have spearheaded remarkable advancements in time series forecasting (TSF), one of the major tasks in time series modeling. Nonetheless, the non-stationarity of time series undermines the reliability of pre-trained…

机器学习 · 计算机科学 2025-01-10 HyunGi Kim , Siwon Kim , Jisoo Mok , Sungroh Yoon

In Domain Generalization (DG) tasks, models are trained by using only training data from the source domains to achieve generalization on an unseen target domain, this will suffer from the distribution shift problem. So it's important to…

计算机视觉与模式识别 · 计算机科学 2023-02-14 Cheng Dai , Yingqiao Lin , Fan Li , Xiyao Li , Donglin Xie

Temporal Graph Learning (TGL) has become a prevalent technique across diverse real-world applications, especially in domains where data can be represented as a graph and evolves over time. Although TGL has recently seen notable progress in…

机器学习 · 计算机科学 2024-02-27 Weilin Cong , Jian Kang , Hanghang Tong , Mehrdad Mahdavi

The performance of a machine learning model degrades when it is applied to data from a similar but different domain than the data it has initially been trained on. To mitigate this domain shift problem, domain adaptation (DA) techniques…

机器学习 · 计算机科学 2024-10-08 Felix Ott , David Rügamer , Lucas Heublein , Bernd Bischl , Christopher Mutschler

Distribution shift presents a significant challenge in machine learning, where models often underperform during the test stage when faced with a different distribution than the one they were trained on. This paper focuses on domain shifts,…

机器学习 · 计算机科学 2024-03-19 Huaxiu Yao , Xinyu Yang , Xinyi Pan , Shengchao Liu , Pang Wei Koh , Chelsea Finn

Domain adaptation (DA) and domain generalization (DG) have emerged as a solution to the domain shift problem where the distribution of the source and target data is different. The task of DG is more challenging than DA as the target data is…

计算机视觉与模式识别 · 计算机科学 2019-12-02 Mohammad Mahfujur Rahman , Clinton Fookes , Mahsa Baktashmotlagh , Sridha Sridharan

Domain adaptation investigates the problem of leveraging knowledge from a well-labeled source domain to an unlabeled target domain, where the two domains are drawn from different data distributions. Because of the distribution shifts,…

计算机视觉与模式识别 · 计算机科学 2019-07-12 Jingjing Li , Mengmeng Jing , Yue Xie , Ke Lu , Zi Huang

Leveraging datasets available to learn a model with high generalization ability to unseen domains is important for computer vision, especially when the unseen domain's annotated data are unavailable. We study a novel and practical problem…

计算机视觉与模式识别 · 计算机科学 2021-04-09 Yang Shu , Zhangjie Cao , Chenyu Wang , Jianmin Wang , Mingsheng Long

Domain Generalization (DG) aims to generalize to arbitrary unseen domains. A promising approach to improve model generalization in DG is the identification of flat minima. One typical method for this task is SWAD, which involves averaging…

计算机视觉与模式识别 · 计算机科学 2023-09-13 Jian Zhang , Lei Qi , Yinghuan Shi , Yang Gao

Deep learning methods can struggle to handle domain shifts not seen in training data, which can cause them to not generalize well to unseen domains. This has led to research attention on domain generalization (DG), which aims to the model's…

机器学习 · 计算机科学 2022-05-10 Wei Zhu , Le Lu , Jing Xiao , Mei Han , Jiebo Luo , Adam P. Harrison

Entity alignment aims to identify equivalent entity pairs between different knowledge graphs (KGs). Recently, the availability of temporal KGs (TKGs) that contain time information created the need for reasoning over time in such TKGs.…

人工智能 · 计算机科学 2022-03-15 Chengjin Xu , Fenglong Su , Jens Lehmann

While quality estimation (QE) can play an important role in the translation process, its effectiveness relies on the availability and quality of training data. For QE in particular, high-quality labeled data is often lacking due to the high…