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We propose associative domain adaptation, a novel technique for end-to-end domain adaptation with neural networks, the task of inferring class labels for an unlabeled target domain based on the statistical properties of a labeled source…

Computer Vision and Pattern Recognition · Computer Science 2017-08-04 Philip Haeusser , Thomas Frerix , Alexander Mordvintsev , Daniel Cremers

Unsupervised domain adaptation aims to transfer knowledge from a labeled source domain to an unlabeled target domain. Previous methods focus on learning domain-invariant features to decrease the discrepancy between the feature distributions…

Machine Learning · Computer Science 2021-06-30 Yuntao Du , Yinghao Chen , Fengli Cui , Xiaowen Zhang , Chongjun Wang

Unwanted samples from private source categories in the learning objective of a partial domain adaptation setup can lead to negative transfer and reduce classification performance. Existing methods, such as re-weighting or aggregating target…

Computer Vision and Pattern Recognition · Computer Science 2023-10-20 Sandipan Choudhuri , Arunabha Sen

This work tackles the unsupervised cross-domain object detection problem which aims to generalize a pre-trained object detector to a new target domain without labels. We propose an uncertainty-aware model adaptation method, which is based…

Computer Vision and Pattern Recognition · Computer Science 2021-08-31 Minjie Cai , Minyi Luo , Xionghu Zhong , Hao Chen

Since annotating and curating large datasets is very expensive, there is a need to transfer the knowledge from existing annotated datasets to unlabelled data. Data that is relevant for a specific application, however, usually differs from…

Computer Vision and Pattern Recognition · Computer Science 2019-07-31 Pau Panareda Busto , Ahsan Iqbal , Juergen Gall

Unsupervised domain adaptation aims to generalize the supervised model trained on a source domain to an unlabeled target domain. Marginal distribution alignment of feature spaces is widely used to reduce the domain discrepancy between the…

Computer Vision and Pattern Recognition · Computer Science 2022-05-04 Pengfei Ge , Chuan-Xian Ren , Dao-Qing Dai , Hong Yan

In semi-supervised domain adaptation, a few labeled samples per class in the target domain guide features of the remaining target samples to aggregate around them. However, the trained model cannot produce a highly discriminative feature…

Computer Vision and Pattern Recognition · Computer Science 2021-04-20 Jichang Li , Guanbin Li , Yemin Shi , Yizhou Yu

We consider the problem of active domain adaptation (ADA) to unlabeled target data, of which subset is actively selected and labeled given a budget constraint. Inspired by recent analysis on a critical issue from label distribution mismatch…

Machine Learning · Computer Science 2022-08-16 Sehyun Hwang , Sohyun Lee , Sungyeon Kim , Jungseul Ok , Suha Kwak

In Open Set Domain Adaptation (OSDA), large amounts of target samples are drawn from the implicit categories that never appear in the source domain. Due to the lack of their specific belonging, existing methods indiscriminately regard them…

Computer Vision and Pattern Recognition · Computer Science 2022-03-08 Jingyu Zhuang , Ziliang Chen , Pengxu Wei , Guanbin Li , Liang Lin

Entity matching (EM) identifies data records that refer to the same real-world entity. Despite the effort in the past years to improve the performance in EM, the existing methods still require a huge amount of labeled data in each domain…

Machine Learning · Computer Science 2022-04-21 Mohamed Trabelsi , Jeff Heflin , Jin Cao

We study the problem of unsupervised domain adaption in the universal scenario, in which only some of the classes are shared between the source and target domains. We present a scoring scheme that is effective in identifying the samples of…

Computer Vision and Pattern Recognition · Computer Science 2020-01-16 Omri Lifshitz , Lior Wolf

Existing unsupervised domain adaptation methods aim to transfer knowledge from a label-rich source domain to an unlabeled target domain. However, obtaining labels for some source domains may be very expensive, making complete labeling as…

Computer Vision and Pattern Recognition · Computer Science 2020-03-19 Donghyun Kim , Kuniaki Saito , Tae-Hyun Oh , Bryan A. Plummer , Stan Sclaroff , Kate Saenko

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…

Computer Vision and Pattern Recognition · Computer Science 2015-04-30 Basura Fernando , Tatiana Tommasi , Tinne Tuytelaars

Unsupervised domain adaptation aims to transfer knowledge from a source domain to a target domain so that the target domain data can be recognized without any explicit labelling information for this domain. One limitation of the problem…

Computer Vision and Pattern Recognition · Computer Science 2019-08-27 Qian Wang , Penghui Bu , Toby P. Breckon

One challenge of object recognition is to generalize to new domains, to more classes and/or to new modalities. This necessitates methods to combine and reuse existing datasets that may belong to different domains, have partial annotations,…

Computer Vision and Pattern Recognition · Computer Science 2021-09-29 Rui Gong , Dengxin Dai , Yuhua Chen , Wen Li , Luc Van Gool

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,…

Machine Learning · Computer Science 2022-12-12 Sandipan Choudhuri , Hemanth Venkateswara , Arunabha Sen

Universal domain adaptation (UniDA) aims to transfer the knowledge of common classes from the source domain to the target domain without any prior knowledge on the label set, which requires distinguishing in the target domain the unknown…

Computer Vision and Pattern Recognition · Computer Science 2023-08-23 Yifan Wang , Lin Zhang , Ran Song , Hongliang Li , Paul L. Rosin , Wei Zhang

Domain adaptation (DA) is transfer learning which aims to learn an effective predictor on target data from source data despite data distribution mismatch between source and target. We present in this paper a novel unsupervised DA method for…

Computer Vision and Pattern Recognition · Computer Science 2018-02-23 Lingkun Luo , Liming Chen , Ying lu , Shiqiang Hu

Single-Source Single-Target Domain Adaptation (1S1T) aims to bridge the gap between a labelled source domain and an unlabelled target domain. Despite 1S1T being a well-researched topic, they are typically not deployed to the real world.…

Computer Vision and Pattern Recognition · Computer Science 2023-02-06 Rohit Lal , Arihant Gaur , Aadhithya Iyer , Muhammed Abdullah Shaikh , Ritik Agrawal

The waive of labels in the target domain makes Unsupervised Domain Adaptation (UDA) an attractive technique in many real-world applications, though it also brings great challenges as model adaptation becomes harder without labeled target…

Machine Learning · Computer Science 2022-07-20 Tao Sun , Cheng Lu , Haibin Ling