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Convolutional neural networks (CNNs) have led to significant improvements in the semantic segmentation of images. When source and target datasets come from different modalities, CNN performance suffers due to domain shift. In such cases…

计算机视觉与模式识别 · 计算机科学 2022-10-10 Serban Stan , Mohammad Rostami

Many existing unsupervised domain adaptation (UDA) methods primarily focus on covariate shift, limiting their effectiveness in imbalanced domain adaptation (IDA) where both covariate shift and label shift coexist. Recent IDA methods have…

计算机视觉与模式识别 · 计算机科学 2024-12-31 Xiaona Sun , Zhenyu Wu , Zhiqiang Zhan , Yang Ji

Sleep staging is of great importance in the diagnosis and treatment of sleep disorders. Recently, numerous data-driven deep learning models have been proposed for automatic sleep staging. They mainly train the model on a large public…

机器学习 · 计算机科学 2022-07-07 Emadeldeen Eldele , Mohamed Ragab , Zhenghua Chen , Min Wu , Chee-Keong Kwoh , Xiaoli Li , Cuntai Guan

While unsupervised domain adaptation methods based on deep architectures have achieved remarkable success in many computer vision tasks, they rely on a strong assumption, i.e. labeled source data must be available. In this work we overcome…

计算机视觉与模式识别 · 计算机科学 2020-08-12 Willi Menapace , Stéphane Lathuilière , Elisa Ricci

Discrepancy between training and testing domains is a fundamental problem in the generalization of machine learning techniques. Recently, several approaches have been proposed to learn domain invariant feature representations through…

机器学习 · 统计学 2019-03-18 Yitong Li , Michael Murias , Samantha Major , Geraldine Dawson , David E. Carlson

Domain adaptation tasks such as cross-domain sentiment classification aim to utilize existing labeled data in the source domain and unlabeled or few labeled data in the target domain to improve the performance in the target domain via…

计算与语言 · 计算机科学 2022-01-03 Dongbo Xi , Fuzhen Zhuang , Ganbin Zhou , Xiaohu Cheng , Fen Lin , Qing He

The remarkable success of Deep Learning approaches is often based and demonstrated on large public datasets. However, when applying such approaches to internal, private datasets, one frequently faces challenges arising from structural…

机器学习 · 计算机科学 2025-04-30 Dayananda Herurkar , Jörn Hees , Vesselin Tzvetkov , Andreas Dengel

Event Detection (ED) -- the task of identifying event mentions from natural language text -- is critical for enabling reasoning in highly specialized domains such as biomedicine, law, and epidemiology. Data generation has proven to be…

计算与语言 · 计算机科学 2025-09-19 Tanmay Parekh , Yuxuan Dong , Lucas Bandarkar , Artin Kim , I-Hung Hsu , Kai-Wei Chang , Nanyun Peng

Despite recent advancements in deep learning, deep neural networks continue to suffer from performance degradation when applied to new data that differs from training data. Test-time adaptation (TTA) aims to address this challenge by…

计算机视觉与模式识别 · 计算机科学 2023-09-06 Sanghun Jung , Jungsoo Lee , Nanhee Kim , Amirreza Shaban , Byron Boots , Jaegul Choo

Domain adaptation (DA) has drawn high interests for its capacity to adapt a model trained on labeled source data to perform well on unlabeled or weakly labeled target data from a different domain. Most common DA techniques require the…

计算机视觉与模式识别 · 计算机科学 2021-04-09 Mathilde Bateson , Hoel Kervadec , Jose Dolz , Herve Lombaert , Ismail Ben Ayed

Person re-identification (Re-ID) across multiple datasets is a challenging task due to two main reasons: the presence of large cross-dataset distinctions and the absence of annotated target instances. To address these two issues, this paper…

计算机视觉与模式识别 · 计算机科学 2024-06-18 Yangru Huang , Peixi Peng , Yi Jin , Yidong Li , Junliang Xing , Shiming Ge

Domain adaptive semantic segmentation is recognized as a promising technique to alleviate the domain shift between the labeled source domain and the unlabeled target domain in many real-world applications, such as automatic pilot. However,…

计算机视觉与模式识别 · 计算机科学 2021-10-14 Fuming You , Jingjing Li , Lei Zhu , Ke Lu , Zhi Chen , Zi Huang

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…

计算机视觉与模式识别 · 计算机科学 2021-01-08 Sandipan Choudhuri , Riti Paul , Arunabha Sen , Baoxin Li , Hemanth Venkateswara

Domain adaptation deals with training models using large scale labeled data from a specific source domain and then adapting the knowledge to certain target domains that have few or no labels. Many prior works learn domain agnostic feature…

计算机视觉与模式识别 · 计算机科学 2021-04-06 Astuti Sharma , Tarun Kalluri , Manmohan Chandraker

We study the label shift problem between the source and target domains in general domain adaptation (DA) settings. We consider transformations transporting the target to source domains, which enable us to align the source and target…

机器学习 · 计算机科学 2022-03-03 Trung Le , Dat Do , Tuan Nguyen , Huy Nguyen , Hung Bui , Nhat Ho , Dinh Phung

Labeling social-media data for custom dimensions of toxicity and social bias is challenging and labor-intensive. Existing transfer and active learning approaches meant to reduce annotation effort require fine-tuning, which suffers from…

计算与语言 · 计算机科学 2022-11-23 Rafal Kocielnik , Sara Kangaslahti , Shrimai Prabhumoye , Meena Hari , R. Michael Alvarez , Anima Anandkumar

In contrast to a standard closed-set domain adaptation task, partial domain adaptation setup caters to a realistic scenario by relaxing the identical label set assumption. The fact of source label set subsuming the target label set,…

机器学习 · 计算机科学 2022-12-12 Sandipan Choudhuri , Hemanth Venkateswara , Arunabha Sen

Domain Adaptation (DA) facilitates knowledge transfer from a source domain to a related target domain. This paper investigates a practical DA paradigm, namely Source data-Free Active Domain Adaptation (SFADA), where source data becomes…

计算机视觉与模式识别 · 计算机科学 2024-07-29 Mengyao Lyu , Tianxiang Hao , Xinhao Xu , Hui Chen , Zijia Lin , Jungong Han , Guiguang Ding

We address the problem of unsupervised domain adaptation when the source domain differs from the target domain because of a shift in the distribution of a latent subgroup. When this subgroup confounds all observed data, neither covariate…

As a study on the efficient usage of data, Multi-source Unsupervised Domain Adaptation transfers knowledge from multiple source domains with labeled data to an unlabeled target domain. However, the distribution discrepancy between different…

计算机视觉与模式识别 · 计算机科学 2022-10-07 Tong Xu , Lin Wang , Wu Ning , Chunyan Lyu , Kejun Wang , Chenhui Wang