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Opinion target extraction (OTE) or aspect extraction (AE) is a fundamental task in opinion mining that aims to extract the targets (or aspects) on which opinions have been expressed. Recent work focus on cross-domain OTE, which is typically…

计算与语言 · 计算机科学 2023-03-01 Kai Sun , Richong Zhang , Samuel Mensah , Nikolaos Aletras , Yongyi Mao , Xudong Liu

Transferring knowledge from a source domain to a target domain can be crucial for whole slide image classification, since the number of samples in a dataset is often limited due to high annotation costs. However, domain shift and task…

计算机视觉与模式识别 · 计算机科学 2024-07-12 Conghao Xiong , Yi Lin , Hao Chen , Hao Zheng , Dong Wei , Yefeng Zheng , Joseph J. Y. Sung , Irwin King

Domain adaptation (DA) enables knowledge transfer from a labeled source domain to an unlabeled target domain by reducing the cross-domain distribution discrepancy. Most prior DA approaches leverage complicated and powerful deep neural…

计算机视觉与模式识别 · 计算机科学 2021-03-31 Shuang Li , Jinming Zhang , Wenxuan Ma , Chi Harold Liu , Wei Li

Domain Adaptation (DA) aims to generalize the classifier learned from the source domain to the target domain. Existing DA methods usually assume that rich labels could be available in the source domain. However, there are usually a large…

计算机视觉与模式识别 · 计算机科学 2020-05-11 Wei Wang , Zhihui Wang , Yuankai Xiang , Jing Sun , Haojie Li , Fuming Sun , Zhengming Ding

Domain adaptation targets at knowledge acquisition and dissemination from a labeled source domain to an unlabeled target domain under distribution shift. Still, the common requirement of identical class space shared across domains hinders…

机器学习 · 计算机科学 2022-03-16 Zhangjie Cao , Kaichao You , Ziyang Zhang , Jianmin Wang , Mingsheng Long

Domain adaptation (DA) aims to transfer knowledge learned from a labeled source domain to an unlabeled or a less labeled but related target domain. Ideally, the source and target distributions should be aligned to each other equally to…

计算机视觉与模式识别 · 计算机科学 2022-08-15 Jian Hu , Haowen Zhong , Junchi Yan , Shaogang Gong , Guile Wu , Fei Yang

Unsupervised Domain Adaptation aims to learn a model on a source domain with labeled data in order to perform well on unlabeled data of a target domain. Current approaches focus on learning \textit{Domain Invariant Representations}. It…

机器学习 · 计算机科学 2019-07-30 Victor Bouvier , Philippe Very , Céline Hudelot , Clément Chastagnol

Real-world vision models in dynamic environments face rapid shifts in domain distributions, leading to decreased recognition performance. Using unlabeled test data, continuous test-time adaptation (CTTA) directly adjusts a pre-trained…

计算机视觉与模式识别 · 计算机科学 2025-01-28 Sarthak Kumar Maharana , Baoming Zhang , Yunhui Guo

Transfer learning aims to improve learning in target domain by borrowing knowledge from a related but different source domain. To reduce the distribution shift between source and target domains, recent methods have focused on exploring…

机器学习 · 统计学 2018-08-09 Xiyu Yu , Tongliang Liu , Mingming Gong , Kun Zhang , Kayhan Batmanghelich , Dacheng Tao

Domain adaptation has shown appealing performance by leveraging knowledge from a source domain with rich annotations. However, for a specific target task, it is cumbersome to collect related and high-quality source domains. In real-world…

计算机视觉与模式识别 · 计算机科学 2024-06-21 Mengcheng Lan , Min Meng , Jun Yu , Jigang Wu

Deep learning methods have shown promise in unsupervised domain adaptation, which aims to leverage a labeled source domain to learn a classifier for the unlabeled target domain with a different distribution. However, such methods typically…

计算机视觉与模式识别 · 计算机科学 2019-10-10 Zhijie Deng , Yucen Luo , Jun Zhu

In this paper, we study the problem of unsupervised domain adaptation that aims at obtaining a prediction model for the target domain using labeled data from the source domain and unlabeled data from the target domain. There exists an array…

机器学习 · 计算机科学 2020-02-20 Hai H. Tran , Sumyeong Ahn , Taeyoung Lee , Yung Yi

Domain adaptation investigates the problem of leveraging knowledge from a well-labeled source domain to an unlabeled target domain, where the two domains are drawn from different data distributions. Because of the distribution shifts,…

计算机视觉与模式识别 · 计算机科学 2019-07-12 Jingjing Li , Mengmeng Jing , Yue Xie , Ke Lu , Zi Huang

Unsupervised domain adaptation (UDA) is a technique used to transfer knowledge from a labeled source domain to a different but related unlabeled target domain. While many UDA methods have shown success in the past, they often assume that…

机器学习 · 计算机科学 2023-02-07 Yiling Liu , Juncheng Dong , Ziyang Jiang , Ahmed Aloui , Keyu Li , Hunter Klein , Vahid Tarokh , David Carlson

Domain adaptation aims at adapting the knowledge acquired on a source domain to a new different but related target domain. Several approaches have beenproposed for classification tasks in the unsupervised scenario, where no labeled target…

计算机视觉与模式识别 · 计算机科学 2015-04-30 Basura Fernando , Tatiana Tommasi , Tinne Tuytelaars

Domain adaptation aims at improving model performance by leveraging the learned knowledge in the source domain and transferring it to the target domain. Recently, domain adversarial methods have been particularly successful in alleviating…

信号处理 · 电气工程与系统科学 2020-01-08 Qin Wang , Gabriel Michau , Olga Fink

In this paper, we address the problem of unsupervised Domain Adaptation. The need for such an adaptation arises when the distribution of the target data differs from that which is used to develop the model and the ground truth information…

机器学习 · 计算机科学 2022-10-04 Siddharth Roheda , Ashkan Panahi , Hamid Krim

The problem of domain adaptation on an unlabeled target dataset using knowledge from multiple labelled source datasets is becoming increasingly important. A key challenge is to design an approach that overcomes the covariate and target…

机器学习 · 计算机科学 2022-06-03 Rosanna Turrisi , Rémi Flamary , Alain Rakotomamonjy , Massimiliano Pontil

This paper focuses on supervised and unsupervised online label shift, where the class marginals $Q(y)$ varies but the class-conditionals $Q(x|y)$ remain invariant. In the unsupervised setting, our goal is to adapt a learner, trained on some…

In activity recognition, it is often expensive and time-consuming to acquire sufficient activity labels. To solve this problem, transfer learning leverages the labeled samples from the source domain to annotate the target domain which has…

计算机视觉与模式识别 · 计算机科学 2018-01-04 Jindong Wang , Yiqiang Chen , Lisha Hu , Xiaohui Peng , Philip S. Yu