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Domain shift poses a significant challenge in cross-domain spoken language recognition (SLR) by reducing its effectiveness. Unsupervised domain adaptation (UDA) algorithms have been explored to address domain shifts in SLR without relying…

音频与语音处理 · 电气工程与系统科学 2023-10-23 Xugang Lu , Peng Shen , Yu Tsao , Hisashi Kawai

Domain Adaptation (DA) and Semi-supervised Learning (SSL) converge in Semi-supervised Domain Adaptation (SSDA), where the objective is to transfer knowledge from a source domain to a target domain using a combination of limited labeled…

计算机视觉与模式识别 · 计算机科学 2025-04-10 Hritam Basak , Zhaozheng Yin

We study the domain adaptation problem with label shift in this work. Under the label shift context, the marginal distribution of the label varies across the training and testing datasets, while the conditional distribution of features…

机器学习 · 统计学 2023-05-31 Qinglong Tian , Xin Zhang , Jiwei Zhao

Unsupervised Domain Adaptation (UDA) aims to mitigate performance degradation when training and testing data are sampled from different distributions. While significant progress has been made in enhancing overall accuracy, most existing…

机器学习 · 计算机科学 2026-01-27 Yuguang Zhang , Lijun Sheng , Jian Liang , Ran He

In the ever-changing and intricate landscape of financial markets, portfolio optimisation remains a formidable challenge for investors and asset managers. Conventional methods often struggle to capture the complex dynamics of market…

机器学习 · 统计学 2025-10-09 Himanshu Choudhary , Arishi Orra , Manoj Thakur

Domain shift poses a significant challenge in Cross-Domain Facial Expression Recognition (CD-FER) due to the distribution variation across different domains. Current works mainly focus on learning domain-invariant features through global…

计算机视觉与模式识别 · 计算机科学 2024-01-23 Yuefang Gao , Yuhao Xie , Zeke Zexi Hu , Tianshui Chen , Liang Lin

In the problem of domain transfer learning, we learn a model for the predic-tion in a target domain from the data of both some source domains and the target domain, where the target domain is in lack of labels while the source domain has…

计算机视觉与模式识别 · 计算机科学 2018-05-21 Guohui Zhang , Gaoyuan Liang , Fang Su , Fanxin Qu , Jing-Yan Wang

The rapid proliferation of new users and items on the social web has aggravated the gray-sheep user/long-tail item challenge in recommender systems. Historically, cross-domain co-clustering methods have successfully leveraged shared users…

信息检索 · 计算机科学 2020-05-22 Adit Krishnan , Mahashweta Das , Mangesh Bendre , Hao Yang , Hari Sundaram

Domain adaptation helps transfer the knowledge gained from a labeled source domain to an unlabeled target domain. During the past few years, different domain adaptation techniques have been published. One common flaw of these approaches is…

机器学习 · 计算机科学 2020-12-25 Mohammad J. Hashemi , Eric Keller

Machine learning models often fail under distribution shifts, a problem exacerbated in low-resource settings where limited data restricts robust generalization. Domain generalization(DG) methods address this challenge by learning…

计算与语言 · 计算机科学 2026-02-23 Mahi Aliyu Aminu , Chisom Chibuike , Fatimo Adebanjo , Omokolade Awosanya , Samuel Oyeneye

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

A predictor, $f_A : X \to Y$, learned with data from a source domain (A) might not be accurate on a target domain (B) when their distributions are different. Domain adaptation aims to reduce the negative effects of this distribution…

机器学习 · 计算机科学 2022-01-17 Roberto Vega , Russell Greiner

Cross-domain aspect-based sentiment analysis (ABSA) aims to perform various fine-grained sentiment analysis tasks on a target domain by transferring knowledge from a source domain. Since labeled data only exists in the source domain, a…

计算与语言 · 计算机科学 2023-05-17 Yue Deng , Wenxuan Zhang , Sinno Jialin Pan , Lidong Bing

Domain Adaptation aims to transfer the knowledge learned from a labeled source domain to an unlabeled target domain whose data distributions are different. However, the training data in source domain required by most of the existing methods…

计算机视觉与模式识别 · 计算机科学 2023-06-02 Ning Ding , Yixing Xu , Yehui Tang , Chao Xu , Yunhe Wang , Dacheng Tao

Invariance learning methods aim to learn invariant features in the hope that they generalize under distributional shifts. Although many tasks are naturally characterized by continuous domains, current invariance learning techniques…

机器学习 · 计算机科学 2024-04-24 Yong Lin , Fan Zhou , Lu Tan , Lintao Ma , Jiameng Liu , Yansu He , Yuan Yuan , Yu Liu , James Zhang , Yujiu Yang , Hao Wang

Domain generalization aims to develop a model that can perform well on unseen target domains by learning from multiple source domains. However, recent-proposed domain generalization models usually rely on domain labels, which may not be…

机器学习 · 计算机科学 2024-06-11 Zongbin Wang , Bin Pan , Zhenwei Shi

Getting deep convolutional neural networks to perform well requires a large amount of training data. When the available labelled data is small, it is often beneficial to use transfer learning to leverage a related larger dataset (source) in…

机器学习 · 计算机科学 2021-10-26 Lukas Hedegaard Morsing , Omar Ali Sheikh-Omar , Alexandros Iosifidis

The process of digitising histology slides involves multiple factors that can affect a whole slide image's (WSI) final appearance, including the staining protocol, scanner, and tissue type. This variability constitutes a domain shift and…

计算机视觉与模式识别 · 计算机科学 2024-11-26 Manahil Raza , Saad Bashir , Talha Qaiser , Nasir Rajpoot

Aiming to generalize the label knowledge from a source domain with continuous outputs to an unlabeled target domain, Domain Adaptation Regression (DAR) is developed for complex practical learning problems. However, due to the continuity…

机器学习 · 计算机科学 2024-08-14 Hao-Ran Yang , Chuan-Xian Ren , You-Wei Luo

Domain adaptation (DA) benefits from the rigorous theoretical works that study its insightful characteristics and various aspects, e.g., learning domain-invariant representations and its trade-off. However, it seems not the case for the…

机器学习 · 计算机科学 2023-11-07 Trung Phung , Trung Le , Long Vuong , Toan Tran , Anh Tran , Hung Bui , Dinh Phung