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Many real-world applications involve multivariate, geo-tagged time series data: at each location, multiple sensors record corresponding measurements. For example, air quality monitoring system records PM2.5, CO, etc. The resulting…

机器学习 · 计算机科学 2019-08-06 Jiawei Ma , Zheng Shou , Alireza Zareian , Hassan Mansour , Anthony Vetro , Shih-Fu Chang

Partial domain adaptation (PDA) attracts appealing attention as it deals with a realistic and challenging problem when the source domain label space substitutes the target domain. Most conventional domain adaptation (DA) efforts concentrate…

计算机视觉与模式识别 · 计算机科学 2020-08-28 Taotao Jing , Haifeng Xia , Zhengming Ding

Domain Adaptation (DA) provides an effective way to tackle target-domain tasks by leveraging knowledge learned from source domains. Recent studies have extended this paradigm to Multi-Source Domain Adaptation (MSDA), which exploits multiple…

计算机视觉与模式识别 · 计算机科学 2025-10-28 Juepeng Zheng , Peifeng Zhang , Yibin Wen , Qingmei Li , Yang Zhang , Haohuan Fu

Unsupervised domain adaptation aims to generalize the supervised model trained on a source domain to an unlabeled target domain. Marginal distribution alignment of feature spaces is widely used to reduce the domain discrepancy between the…

计算机视觉与模式识别 · 计算机科学 2022-05-04 Pengfei Ge , Chuan-Xian Ren , Dao-Qing Dai , Hong Yan

Cross-user variability in Human Activity Recognition (HAR) remains a critical challenge due to differences in sensor placement, body dynamics, and behavioral patterns. Traditional methods often fail to capture biomechanical invariants that…

机器学习 · 计算机科学 2025-05-13 Xiaozhou Ye , Kevin I-Kai Wang

Recent works on domain adaptation exploit adversarial training to obtain domain-invariant feature representations from the joint learning of feature extractor and domain discriminator networks. However, domain adversarial methods render…

计算机视觉与模式识别 · 计算机科学 2019-10-15 Seungmin Lee , Dongwan Kim , Namil Kim , Seong-Gyun Jeong

Deep learning-based human activity recognition (HAR) methods have shown great promise in the applications of smart healthcare systems and wireless body sensor network (BSN). Despite their demonstrated performance in laboratory settings, the…

人机交互 · 计算机科学 2023-03-28 Baichun Wei , Chunzhi Yi , Qi Zhang , Haiqi Zhu , Jianfei Zhu , Feng Jiang

Given labeled instances on a source domain and unlabeled ones on a target domain, unsupervised domain adaptation aims to learn a task classifier that can well classify target instances. Recent advances rely on domain-adversarial training of…

计算机视觉与模式识别 · 计算机科学 2019-12-18 Hui Tang , Kui Jia

Active Domain Adaptation (ADA) aims to maximally boost model adaptation in a new target domain by actively selecting a limited number of target data to annotate.This setting neglects the more practical scenario where training data are…

人工智能 · 计算机科学 2023-11-23 Wenqiao Zhang , Zheqi Lv , Hao Zhou , Jia-Wei Liu , Juncheng Li , Mengze Li , Siliang Tang , Yueting Zhuang

Conventional domain adaptation typically transfers knowledge from a source domain to a stationary target domain. However, in many real-world cases, target data usually emerge sequentially and have continuously evolving distributions.…

计算机视觉与模式识别 · 计算机科学 2024-02-08 Gangming Zhao , Chaoqi Chen , Wenhao He , Chengwei Pan , Chaowei Fang , Jinpeng Li , Xilin Chen , Yizhou Yu

Semantic segmentation requires a lot of training data, which necessitates costly annotation. There have been many studies on unsupervised domain adaptation (UDA) from one domain to another, e.g., from computer graphics to real images.…

计算机视觉与模式识别 · 计算机科学 2022-10-07 Zhijie Wang , Xing Liu , Masanori Suganuma , Takayuki Okatani

Domain adaptation (DA) is an important technique for modern machine learning-based medical data analysis, which aims at reducing distribution differences between different medical datasets. A proper domain adaptation method can…

计算机视觉与模式识别 · 计算机科学 2022-09-27 Hao Guan , Mingxia Liu

Test-time adaptation (TTA) refers to adjusting the model during the testing phase to cope with changes in sample distribution and enhance the model's adaptability to new environments. In real-world scenarios, models often encounter samples…

计算机视觉与模式识别 · 计算机科学 2025-11-18 Ziqiong Liu , Yushun Tang , Junyang Ji , Zhihai He

Cross-domain generalization is an open problem in WiFi-based sensing due to variations in environments, devices, and subjects, causing domain shifts in channel state information. To address this, we propose Domain-Adversarial Test-Time…

计算机视觉与模式识别 · 计算机科学 2024-11-21 Julian Strohmayer , Rafael Sterzinger , Matthias Wödlinger , Martin Kampel

Test-time adaptation (TTA) is an effective approach to mitigate performance degradation of trained models when encountering input distribution shifts at test time. However, existing TTA methods often suffer significant performance drops…

机器学习 · 计算机科学 2025-02-06 Minguk Jang , Hye Won Chung

Most existing studies on unsupervised domain adaptation (UDA) assume that each domain's training samples come with domain labels (e.g., painting, photo). Samples from each domain are assumed to follow the same distribution and the domain…

计算机视觉与模式识别 · 计算机科学 2022-07-27 Zhongying Deng , Kaiyang Zhou , Da Li , Junjun He , Yi-Zhe Song , Tao Xiang

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

Computers can understand and then engage with people in an emotionally intelligent way thanks to speech-emotion recognition (SER). However, the performance of SER in cross-corpus and real-world live data feed scenarios can be significantly…

声音 · 计算机科学 2024-12-30 Thejan Rajapakshe , Rajib Rana , Sara Khalifa , Bjorn W. Schuller

Existing deep learning-based change detection methods try to elaborately design complicated neural networks with powerful feature representations, but ignore the universal domain shift induced by time-varying land cover changes, including…

计算机视觉与模式识别 · 计算机科学 2022-08-09 Jia Liu , Wenjie Xuan , Yuhang Gan , Juhua Liu , Bo Du

Deep learning models often struggle under natural distribution shifts, a common challenge in real-world deployments. Test-Time Adaptation (TTA) addresses this by adapting models during inference without labeled source data. We present the…

计算机视觉与模式识别 · 计算机科学 2026-03-23 John Turnbull , Shivam Grover , Amin Jalali , Ali Etemad