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Visual domain adaptation aims to learn discriminative and domain-invariant representation for an unlabeled target domain by leveraging knowledge from a labeled source domain. Partial domain adaptation (PDA) is a general and practical…

计算机视觉与模式识别 · 计算机科学 2025-05-06 Yi-Ming Zhai , Chuan-Xian Ren , Hong Yan

Human Activity Recognition (HAR) is a cornerstone of ubiquitous computing, with promising applications in diverse fields such as health monitoring and ambient assisted living. Despite significant advancements, sensor-based HAR methods often…

信号处理 · 电气工程与系统科学 2024-03-26 Xiaozhou Ye , Waleed H. Abdulla , Nirmal Nair , Kevin I-Kai Wang

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 adaptive object detection (DAOD) aims to alleviate transfer performance degradation caused by the cross-domain discrepancy. However, most existing DAOD methods are dominated by outdated and computationally intensive two-stage Faster…

计算机视觉与模式识别 · 计算机科学 2022-11-29 Huayi Zhou , Fei Jiang , Hongtao Lu

Current research on human activity recognition (HAR) mainly assumes that training and testing data are drawn from the same distribution to achieve a generalised model, which means all the data are considered to be independent and…

信号处理 · 电气工程与系统科学 2025-03-05 Xiaozhou Ye , Kevin I-Kai Wang

Low-resolution infrared-based human activity recognition (HAR) attracted enormous interests due to its low-cost and private. In this paper, a novel semi-supervised crossdomain neural network (SCDNN) based on 8 $\times$ 8 low-resolution…

信号处理 · 电气工程与系统科学 2024-03-06 Cunyi Yin , Xiren Miao , Jing Chen , Hao Jiang , Deying Chen , Yixuan Tong , Shaocong Zheng

In order to reduce domain discrepancy to improve the performance of cross-domain spoken language identification (SLID) system, as an unsupervised domain adaptation (UDA) method, we have proposed a joint distribution alignment (JDA) model…

音频与语音处理 · 电气工程与系统科学 2022-04-01 Xugang Lu , Peng Shen , Yu Tsao , Hisashi Kawai

Multi-source Domain Adaptation (MDA) seeks to adapt models trained on data from multiple labeled source domains to perform effectively on an unlabeled target domain data, assuming access to sources data. To address the challenges of model…

机器学习 · 计算机科学 2024-08-20 Omar Ghannou , Younès Bennani

Deep learning approaches for semantic segmentation rely primarily on supervised learning approaches and require substantial efforts in producing pixel-level annotations. Further, such approaches may perform poorly when applied to unseen…

计算机视觉与模式识别 · 计算机科学 2021-10-22 Ying Chen , Xu Ouyang , Kaiyue Zhu , Gady Agam

In this paper, we propose a novel approach for unsupervised domain adaptation, that relates notions of optimal transport, learning probability measures and unsupervised learning. The proposed approach, HOT-DA, is based on a hierarchical…

计算机视觉与模式识别 · 计算机科学 2022-10-11 Mourad El Hamri , Younès Bennani , Issam Falih , Hamid Ahaggach

Human activity recognition aims to recognize the activities of daily living by utilizing the sensors on different body parts. However, when the labeled data from a certain body position (i.e. target domain) is missing, how to leverage the…

计算机视觉与模式识别 · 计算机科学 2018-11-15 Yiqiang Chen , Jindong Wang , Meiyu Huang , Han Yu

Unsupervised domain adaptation (UDA) aims to transfer knowledge from a labeled source domain to an unlabeled target domain. In this paper, we introduce a novel approach called class-aware optimal transport (OT), which measures the OT…

机器学习 · 计算机科学 2024-01-30 Tuan Nguyen , Van Nguyen , Trung Le , He Zhao , Quan Hung Tran , Dinh Phung

3D object detectors are fundamental components of perception systems in autonomous vehicles. While these detectors achieve remarkable performance on standard autonomous driving benchmarks, they often struggle to generalize across different…

计算机视觉与模式识别 · 计算机科学 2026-01-01 Bartłomiej Olber , Jakub Winter , Paweł Wawrzyński , Andrii Gamalii , Daniel Górniak , Marcin Łojek , Robert Nowak , Krystian Radlak

Unsupervised domain adaptation (UDA) aims to estimate a transferable model for unlabeled target domains by exploiting labeled source data. Optimal Transport (OT) based methods have recently been proven to be a promising solution for UDA…

计算机视觉与模式识别 · 计算机科学 2024-04-22 Yingxue Xu , Guihua Wen , Yang Hu , Pei Yang

Domain adaptation (DA) is a representation learning methodology that transfers knowledge from a label-sufficient source domain to a label-scarce target domain. While most of early methods are focused on unsupervised DA (UDA), several…

计算机视觉与模式识别 · 计算机科学 2021-04-02 Yoonhyung Kim , Changick Kim

Domain adaptation (DA) is the topical problem of adapting models from labelled source datasets so that they perform well on target datasets where only unlabelled or partially labelled data is available. Many methods have been proposed to…

计算机视觉与模式识别 · 计算机科学 2020-07-28 Da Li , Timothy Hospedales

The enhanced representational power and broad applicability of deep learning models have attracted significant interest from the research community in recent years. However, these models often struggle to perform effectively under domain…

计算机视觉与模式识别 · 计算机科学 2024-12-17 Ba Hung Ngo , Doanh C. Bui , Nhat-Tuong Do-Tran , Tae Jong Choi

Unsupervised domain adaptation (UDA) has been vastly explored to alleviate domain shifts between source and target domains, by applying a well-performed model in an unlabeled target domain via supervision of a labeled source domain. Recent…

计算机视觉与模式识别 · 计算机科学 2022-09-27 Xiaofeng Liu , Fangxu Xing , Nadya Shusharina , Ruth Lim , C-C Jay Kuo , Georges El Fakhri , Jonghye Woo

In Human Activity Recognition (HAR), a predominant assumption is that the data utilized for training and evaluation purposes are drawn from the same distribution. It is also assumed that all data samples are independent and identically…

机器学习 · 计算机科学 2025-03-05 Xiaozhou Ye , Kevin I-Kai Wang

In semi-supervised domain adaptation (SSDA), a few labeled target samples of each class help the model to transfer knowledge representation from the fully labeled source domain to the target domain. Many existing methods ignore the benefits…

计算机视觉与模式识别 · 计算机科学 2023-12-25 Xinyang Huang , Chuang Zhu , Wenkai Chen
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