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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…

机器学习 · 计算机科学 2019-06-25 Jun Wen , Nenggan Zheng , Junsong Yuan , Zhefeng Gong , Changyou Chen

Since previous studies on open-domain targeted sentiment analysis are limited in dataset domain variety and sentence level, we propose a novel dataset consisting of 6,013 human-labeled data to extend the data domains in topics of interest…

计算与语言 · 计算机科学 2022-04-18 Yun Luo , Hongjie Cai , Linyi Yang , Yanxia Qin , Rui Xia , Yue Zhang

Current language models require a lot of training data to obtain high performance. For Relation Classification (RC), many datasets are domain-specific, so combining datasets to obtain better performance is non-trivial. We explore a…

Multimodal large language models (MLLMs) have shown remarkable capabilities in multimodal perception and understanding tasks. However, their effectiveness in specialized domains, such as remote sensing and medical imaging, remains limited.…

计算与语言 · 计算机科学 2026-02-05 Qinglong Cao , Yuntian Chen , Chao Ma , Xiaokang Yang

In medical imaging, the heterogeneity of multi-centre data impedes the applicability of deep learning-based methods and results in significant performance degradation when applying models in an unseen data domain, e.g. a new centreor a new…

计算机视觉与模式识别 · 计算机科学 2020-08-12 Hongwei Li , Timo Loehr , Anjany Sekuboyina , Jianguo Zhang , Benedikt Wiestler , Bjoern Menze

Multidomain crowd counting aims to learn a general model for multiple diverse datasets. However, deep networks prefer modeling distributions of the dominant domains instead of all domains, which is known as domain bias. In this study, we…

计算机视觉与模式识别 · 计算机科学 2024-02-07 Mingyue Guo , Binghui Chen , Zhaoyi Yan , Yaowei Wang , Qixiang Ye

The performance of speech emotion recognition is affected by the differences in data distributions between train (source domain) and test (target domain) sets used to build and evaluate the models. This is a common problem, as multiple…

音频与语音处理 · 电气工程与系统科学 2023-05-15 Mohammed Abdelwahab , Carlos Busso

Domain shifts are ubiquitous in machine learning, and can substantially degrade a model's performance when deployed to real-world data. To address this, distribution alignment methods aim to learn feature representations which are invariant…

机器学习 · 计算机科学 2024-10-08 Andrea Napoli , Paul White

We study the problem of unsupervised domain adaptation, which aims to adapt classifiers trained on a labeled source domain to an unlabeled target domain. Many existing approaches first learn domain-invariant features and then construct…

机器学习 · 计算机科学 2012-07-03 Yuan Shi , Fei Sha

This paper focuses on the construction of accurate and predictive data-driven reduced models of large-scale numerical simulations with complex dynamics and sparse training datasets. In these settings, standard, single-domain approaches may…

Domain adaptation algorithms are useful when the distributions of the training and the test data are different. In this paper, we focus on the problem of instrumental variation and time-varying drift in the field of sensors and measurement,…

计算机视觉与模式识别 · 计算机科学 2017-06-23 Ke Yan , Lu Kou , David Zhang

In domain adaptation for neural machine translation, translation performance can benefit from separating features into domain-specific features and common features. In this paper, we propose a method to explicitly model the two kinds of…

计算与语言 · 计算机科学 2019-09-24 Shuhao Gu , Yang Feng , Qun Liu

Domain shift refers to the well known problem that a model trained in one source domain performs poorly when applied to a target domain with different statistics. {Domain Generalization} (DG) techniques attempt to alleviate this issue by…

机器学习 · 计算机科学 2017-10-11 Da Li , Yongxin Yang , Yi-Zhe Song , Timothy M. Hospedales

Multimodal sentiment analysis aims to identify the emotions expressed by individuals through visual, language, and acoustic cues. However, most existing research assume that all modalities are available during both training and testing,…

声音 · 计算机科学 2026-04-21 Weide Liu , Huijing Zhan

In this study, we propose an innovative dynamic classification algorithm aimed at achieving zero missed detections and minimal false positives,acritical in safety-critical domains (e.g., medical diagnostics) where undetected cases risk…

机器学习 · 计算机科学 2025-06-02 Ziyuan Zhong , Junyang Zhou

Multi-source unsupervised domain adaptation (MUDA) aims to transfer knowledge from related source domains to an unlabeled target domain. While recent MUDA methods have shown promising results, most focus on aligning the overall feature…

机器学习 · 计算机科学 2023-07-27 Long Liu , Bo Zhou , Zhipeng Zhao , Zening Liu

Most research on domain adaptation has focused on the purely unsupervised setting, where no labeled examples in the target domain are available. However, in many real-world scenarios, a small amount of labeled target data is available and…

计算机视觉与模式识别 · 计算机科学 2021-10-20 Yu Zhang , Gongbo Liang , Nathan Jacobs

Many NLP learning tasks can be decomposed into several distinct sub-tasks, each associated with a partial label. In this paper we focus on a popular class of learning problems, sequence prediction applied to several sentiment analysis…

计算与语言 · 计算机科学 2019-06-05 Xiao Zhang , Dan Goldwasser

Sentiment analysis plays a crucial role in various domains, such as business intelligence and financial forecasting. Large language models (LLMs) have become a popular paradigm for sentiment analysis, leveraging multi-task learning to…

计算与语言 · 计算机科学 2025-06-30 Hongcheng Ding , Xuanze Zhao , Ruiting Deng , Shamsul Nahar Abdullah , Deshinta Arrova Dewi , Zixiao Jiang

Deep learning has been applied to achieve significant progress in emotion recognition. Despite such substantial progress, existing approaches are still hindered by insufficient training data, and the resulting models do not generalize well…

计算机视觉与模式识别 · 计算机科学 2020-03-26 Dung Nguyen , Sridha Sridharan , Duc Thanh Nguyen , Simon Denman , Son N. Tran , Rui Zeng , Clinton Fookes