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Sentiment analysis (SA) is an important research area in cognitive computation-thus in-depth studies of patterns of sentiment analysis are necessary. At present, rich resource data-based SA has been well developed, while the more…

Computation and Language · Computer Science 2021-05-26 Yong Dai , Jian Liu , Jian Zhang , Hongguang Fu , Zenglin Xu

Unsupervised domain adaptation (UDA) has been successfully applied to transfer knowledge from a labeled source domain to target domains without their labels. Recently introduced transferable prototypical networks (TPN) further addresses…

Computer Vision and Pattern Recognition · Computer Science 2022-08-17 Xiaofeng Liu , Fangxu Xing , Jia You , Jun Lu , C. -C. Jay Kuo , Georges El Fakhri , Jonghye Woo

Domain Adaptation (DA) is crucial for robust deployment of medical image segmentation models when applied to new clinical centers with significant domain shifts. Source-Free Domain Adaptation (SFDA) is appealing as it can deal with privacy…

Computer Vision and Pattern Recognition · Computer Science 2025-06-12 Xinya Liu , Jianghao Wu , Tao Lu , Shaoting Zhang , Guotai Wang

Unsupervised domain adaptation~(UDA) aims at reducing the distribution discrepancy when transferring knowledge from a labeled source domain to an unlabeled target domain. Previous UDA methods assume that the source and target domains share…

Computer Vision and Pattern Recognition · Computer Science 2020-08-26 Chuan-Xian Ren , Pengfei Ge , Peiyi Yang , Shuicheng Yan

The practical utility of Speech Emotion Recognition (SER) systems is undermined by their fragility to domain shifts, such as speaker variability, the distinction between acted and naturalistic emotions, and cross-corpus variations. While…

Audio and Speech Processing · Electrical Eng. & Systems 2026-01-26 Jiaheng Dong , Hong Jia , Ting Dang

In recent years, deep learning has significantly advanced sound source localization (SSL). However, training such models requires large labeled datasets, and real recordings are costly to annotate in particular if sources move. While…

Audio and Speech Processing · Electrical Eng. & Systems 2025-09-17 Bingxiang Zhong , Thomas Dietzen

Unsupervised Domain Adaptation~(UDA) has attracted a surge of interest over the past decade but is difficult to be used in real-world applications. Considering the privacy-preservation issues and security concerns, in this work, we study a…

Computer Vision and Pattern Recognition · Computer Science 2023-08-15 Jiexiang Wang , Chaoqi Chen

We investigate a practical domain adaptation task, called source-free domain adaptation (SFUDA), where the source-pretrained model is adapted to the target domain without access to the source data. Existing techniques mainly leverage…

Computer Vision and Pattern Recognition · Computer Science 2022-11-15 Ziyi Zhang , Weikai Chen , Hui Cheng , Zhen Li , Siyuan Li , Liang Lin , Guanbin Li

Unsupervised domain adaptation (UDA) becomes more and more popular in tackling real-world problems without ground truth of the target domain. Though tedious annotation work is not required, UDA unavoidably faces two problems: 1) how to…

Computer Vision and Pattern Recognition · Computer Science 2022-01-26 Zhiming Wang , Yantian Luo , Danlan Huang , Ning Ge , Jianhua Lu

Semantic segmentation provides pixel-level scene understanding essential for autonomous driving and fine-grained perception tasks. However, training segmentation models requires costly, labor-intensive annotations on real-world datasets.…

Computer Vision and Pattern Recognition · Computer Science 2026-05-06 Yerin Cheon , Aruna Balasubramanian , Francois Rameau

We address the problem of unsupervised domain adaptation (UDA) by learning a cross-domain agnostic embedding space, where the distance between the probability distributions of the two source and target visual domains is minimized. We use…

Machine Learning · Computer Science 2019-09-25 Alex Gabourie , Mohammad Rostami , Philip Pope , Soheil Kolouri , Kyungnam Kim

Unsupervised domain adaptation (UDA) is important for applications where large scale annotation of representative data is challenging. For semantic segmentation in particular, it helps deploy on real "target domain" data models that are…

Computer Vision and Pattern Recognition · Computer Science 2019-08-20 Tuan-Hung Vu , Himalaya Jain , Maxime Bucher , Matthieu Cord , Patrick Pérez

Adapting machine learning models to new domains without labeled data, especially when source data is inaccessible, is a critical challenge in applications like medical imaging, autonomous driving, and remote sensing. This task, known as…

Computer Vision and Pattern Recognition · Computer Science 2024-12-24 Ruiqiang Xiao , Songning Lai , Yijun Yang , Jiemin Wu , Yutao Yue , Lei Zhu

Unsupervised Domain Adaptation (UDA) refers to the problem of learning a model in a target domain where labeled data are not available by leveraging information from annotated data in a source domain. Most deep UDA approaches operate in a…

Computer Vision and Pattern Recognition · Computer Science 2021-03-26 Massimiliano Mancini , Lorenzo Porzi , Samuel Rota Bulò , Barbara Caputo , Elisa Ricci

Semantic segmentation of 3D geospatial point clouds is fundamental to remote sensing applications, yet domain shifts caused by regional and acquisition-related variations often degrade model performance. Although domain adaptation can…

Computer Vision and Pattern Recognition · Computer Science 2026-05-27 Yuan Gao , Di Cao , Xiaohuan Xi , Sheng Nie , Shaobo Xia , Cheng Wang

Source-Free Domain Adaptation (SFDA) enables domain adaptation for semantic segmentation of Remote Sensing Images (RSIs) using only a well-trained source model and unlabeled target domain data. However, the lack of ground-truth labels in…

Computer Vision and Pattern Recognition · Computer Science 2025-09-23 Bin Wang , Fei Deng , Zeyu Chen , Zhicheng Yu , Yiguang Liu

Facial expression recognition (FER) models are widely used in video-based affective computing applications, such as human-computer interaction and healthcare monitoring. However, deep FER models often struggle with subtle expressions and…

Unsupervised domain adaptation (UDA) aims at adapting the model trained on a labeled source-domain dataset to an unlabeled target-domain dataset. The task of UDA on open-set person re-identification (re-ID) is even more challenging as the…

Computer Vision and Pattern Recognition · Computer Science 2022-05-06 Yixiao Ge , Feng Zhu , Dapeng Chen , Rui Zhao , Xiaogang Wang , Hongsheng Li

The primary objective of domain adaptation methods is to transfer knowledge from a source domain to a target domain that has similar but different data distributions. Thus, in order to correctly classify the unlabeled target domain samples,…

Machine Learning · Computer Science 2019-08-12 Rohith AP , Ambedkar Dukkipati , Gaurav Pandey

Accurate recognition of human emotional states is critical for effective human-machine interaction. Electroencephalography (EEG) offers a reliable source for emotion recognition due to its high temporal resolution and its direct reflection…

Machine Learning · Computer Science 2026-01-30 Maryam Mirzaei , Farzaneh Shayegh , Hamed Narimani