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Multi-source unsupervised domain adaptation (MS-UDA) for sentiment analysis (SA) aims to leverage useful information in multiple source domains to help do SA in an unlabeled target domain that has no supervised information. Existing…

Computation and Language · Computer Science 2020-06-11 Yong Dai , Jian Liu , Xiancong Ren , Zenglin Xu

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…

Computer Vision and Pattern Recognition · Computer Science 2019-10-15 Seungmin Lee , Dongwan Kim , Namil Kim , Seong-Gyun Jeong

Large-scale labeled training datasets have enabled deep neural networks to excel on a wide range of benchmark vision tasks. However, in many applications it is prohibitively expensive or time-consuming to obtain large quantities of labeled…

Computer Vision and Pattern Recognition · Computer Science 2018-03-28 Sicheng Zhao , Bichen Wu , Joseph Gonzalez , Sanjit A. Seshia , Kurt Keutzer

In the absence of labeled target data, unsupervised domain adaptation approaches seek to align the marginal distributions of the source and target domains in order to train a classifier for the target. Unsupervised domain alignment…

Computer Vision and Pattern Recognition · Computer Science 2024-03-13 Sachin Chhabra , Hemanth Venkateswara , Baoxin Li

In this paper, we propose a variational approach to unsupervised sentiment analysis. Instead of using ground truth provided by domain experts, we use target-opinion word pairs as a supervision signal. For example, in a document snippet "the…

Computation and Language · Computer Science 2020-08-24 Ziqian Zeng , Wenxuan Zhou , Xin Liu , Zizheng Lin , Yangqin Song , Michael David Kuo , Wan Hang Keith Chiu

Domain adaptation is transfer learning which aims to generalize a learning model across training and testing data with different distributions. Most previous research tackle this problem in seeking a shared feature representation between…

Machine Learning · Computer Science 2017-04-17 Lingkun Luo , Xiaofang Wang , Shiqiang Hu , Chao Wang , Yuxing Tang , Liming Chen

This paper describes a method of domain adaptive training for semantic segmentation using multiple source datasets that are not necessarily relevant to the target dataset. We propose a soft pseudo-label generation method by integrating…

Computer Vision and Pattern Recognition · Computer Science 2023-08-01 Shigemichi Matsuzaki , Hiroaki Masuzawa , Jun Miura

A pre-trained language model, BERT, has brought significant performance improvements across a range of natural language processing tasks. Since the model is trained on a large corpus of diverse topics, it shows robust performance for domain…

Computation and Language · Computer Science 2020-10-26 Minho Ryu , Kichun Lee

Recent advances in domain adaptation reveal that adversarial learning on deep neural networks can learn domain invariant features to reduce the shift between source and target domains. While such adversarial approaches achieve domain-level…

Computer Vision and Pattern Recognition · Computer Science 2023-01-11 Nishant Yadav , Mahbubul Alam , Ahmed Farahat , Dipanjan Ghosh , Chetan Gupta , Auroop R. Ganguly

Unsupervised domain adaptation, which involves transferring knowledge from a label-rich source domain to an unlabeled target domain, can be used to substantially reduce annotation costs in the field of object detection. In this study, we…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Kazuma Fujii , Hiroshi Kera , Kazuhiko Kawamoto

Domain adaptation is an important technique to alleviate performance degradation caused by domain shift, e.g., when training and test data come from different domains. Most existing deep adaptation methods focus on reducing domain shift by…

Machine Learning · Computer Science 2019-06-25 Jun Wen , Nenggan Zheng , Junsong Yuan , Zhefeng Gong , Changyou Chen

Unsupervised domain adaptation enables to alleviate the need for pixel-wise annotation in the semantic segmentation. One of the most common strategies is to translate images from the source domain to the target domain and then align their…

Computer Vision and Pattern Recognition · Computer Science 2020-08-25 Jinyu Yang , Weizhi An , Sheng Wang , Xinliang Zhu , Chaochao Yan , Junzhou Huang

Unsupervised Domain Adaptation (UDA) addresses the problem of performance degradation due to domain shift between training and testing sets, which is common in computer vision applications. Most existing UDA approaches are based on…

Computer Vision and Pattern Recognition · Computer Science 2019-05-14 Songsong Wu , Yan Yan , Hao Tang , Jianjun Qian , Jian Zhang , Xiao-Yuan Jing

Deep learning based object detectors struggle generalizing to a new target domain bearing significant variations in object and background. Most current methods align domains by using image or instance-level adversarial feature alignment.…

Computer Vision and Pattern Recognition · Computer Science 2023-11-10 Muhammad Akhtar Munir , Muhammad Haris Khan , M. Saquib Sarfraz , Mohsen Ali

The generalization power of deep-learning models is dependent on rich-labelled data. This supervision using large-scaled annotated information is restrictive in most real-world scenarios where data collection and their annotation involve…

Computer Vision and Pattern Recognition · Computer Science 2021-01-08 Sandipan Choudhuri , Riti Paul , Arunabha Sen , Baoxin Li , Hemanth Venkateswara

Domain adaptation is a potential method to train a powerful deep neural network, which can handle the absence of labeled data. More precisely, domain adaptation solving the limitation called dataset bias or domain shift when the training…

Computer Vision and Pattern Recognition · Computer Science 2022-10-20 Thai-Vu Nguyen , Anh Nguyen , Nghia Le , Bac Le

We tackle an unsupervised domain adaptation problem for which the domain discrepancy between labeled source and unlabeled target domains is large, due to many factors of inter and intra-domain variation. While deep domain adaptation methods…

Computer Vision and Pattern Recognition · Computer Science 2020-08-26 Shuyang Dai , Kihyuk Sohn , Yi-Hsuan Tsai , Lawrence Carin , Manmohan Chandraker

Fine-grained aspect extraction is an essential sub-task in aspect based opinion analysis. It aims to identify the aspect terms (a.k.a. opinion targets) of a product or service in each sentence. However, expensive annotation process is…

Computation and Language · Computer Science 2024-10-30 Tao Liang , Wenya Wang , Fengmao Lv

As the volume of data continues to expand, it becomes increasingly common for data to be aggregated from multiple sources. Leveraging multiple sources for model training typically achieves better predictive performance on test datasets.…

Methodology · Statistics 2025-03-05 Congbin Xu , Chengde Qian , Zhaojun Wang , Changliang Zou

While unsupervised domain adaptation has been explored to leverage the knowledge from a labeled source domain to an unlabeled target domain, existing methods focus on the distribution alignment between two domains. However, how to better…

Computer Vision and Pattern Recognition · Computer Science 2023-10-26 Youshan Zhang , Brian D. Davison
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