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Training deep networks for semantic segmentation requires annotation of large amounts of data, which can be time-consuming and expensive. Unfortunately, these trained networks still generalize poorly when tested in domains not consistent…

Computer Vision and Pattern Recognition · Computer Science 2018-11-09 Kashyap Chitta , Jianwei Feng , Martial Hebert

Self-training is one of the earliest and simplest semi-supervised methods. The key idea is to augment the original labeled dataset with unlabeled data paired with the model's prediction (i.e. the pseudo-parallel data). While self-training…

Machine Learning · Computer Science 2020-10-20 Junxian He , Jiatao Gu , Jiajun Shen , Marc'Aurelio Ranzato

Domain adaptation (DA) aims to transfer knowledge from a fully labeled source to a scarcely labeled or totally unlabeled target under domain shift. Recently, semi-supervised learning-based (SSL) techniques that leverage pseudo labeling have…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Can Zhang , Gim Hee Lee

Deep learning perception models require a massive amount of labeled training data to achieve good performance. While unlabeled data is easy to acquire, the cost of labeling is prohibitive and could create a tremendous burden on companies or…

Computer Vision and Pattern Recognition · Computer Science 2021-11-19 Xinnan Du , William Zhang , Jose M. Alvarez

Text classification is a fundamental task for natural language processing, and adapting text classification models across domains has broad applications. Self-training generates pseudo-examples from the model's predictions and iteratively…

Computation and Language · Computer Science 2023-08-08 Menglong Lu , Zhen Huang , Zhiliang Tian , Yunxiang Zhao , Xuanyu Fei , Dongsheng Li

Conventional unsupervised domain adaptation (UDA) methods need to access both labeled source samples and unlabeled target samples simultaneously to train the model. While in some scenarios, the source samples are not available for the…

Machine Learning · Computer Science 2021-09-10 Yuntao Du , Haiyang Yang , Mingcai Chen , Juan Jiang , Hongtao Luo , Chongjun Wang

Unsupervised person re-identification (Re-ID) attracts increasing attention due to its potential to resolve the scalability problem of supervised Re-ID models. Most existing unsupervised methods adopt an iterative clustering mechanism,…

Computer Vision and Pattern Recognition · Computer Science 2021-12-09 Lianjie Jia , Chenyang Yu , Xiehao Ye , Tianyu Yan , Yinjie Lei , Pingping Zhang

Despite the progress seen in classification methods, current approaches for handling videos with distribution shifts in source and target domains remain source-dependent as they require access to the source data during the adaptation stage.…

Computer Vision and Pattern Recognition · Computer Science 2025-12-01 Avijit Dasgupta , C. V. Jawahar , Karteek Alahari

Clustering-based approach has proved effective in dealing with unsupervised domain adaptive person re-identification (ReID) tasks. However, existing works along this approach still suffer from noisy pseudo labels and the unreliable…

Computer Vision and Pattern Recognition · Computer Science 2022-01-26 Chunren Tang , Dingyu Xue , Dongyue Chen

Labeling training examples at scale is a perennial challenge in machine learning. Self-supervision methods compensate for the lack of direct supervision by leveraging prior knowledge to automatically generate noisy labeled examples. Deep…

Machine Learning · Computer Science 2020-12-24 Hunter Lang , Hoifung Poon

Domain adaptation assumes that samples from source and target domains are freely accessible during a training phase. However, such an assumption is rarely plausible in the real-world and possibly causes data-privacy issues, especially when…

Computer Vision and Pattern Recognition · Computer Science 2021-08-31 Youngeun Kim , Donghyeon Cho , Kyeongtak Han , Priyadarshini Panda , Sungeun Hong

Human adaptability relies crucially on the ability to learn and merge knowledge both from supervised and unsupervised learning: the parents point out few important concepts, but then the children fill in the gaps on their own. This is…

Computer Vision and Pattern Recognition · Computer Science 2019-08-09 Fabio Maria Carlucci , Antonio D'Innocente , Silvia Bucci , Barbara Caputo , Tatiana Tommasi

Domain adaptation aims to leverage a labeled source domain to learn a classifier for the unlabeled target domain with a different distribution. Previous methods mostly match the distribution between two domains by global or class alignment.…

Computer Vision and Pattern Recognition · Computer Science 2022-05-30 Mei Wang , Weihong Deng

Self-training is an effective approach to semi-supervised learning. The key idea is to let the learner itself iteratively generate "pseudo-supervision" for unlabeled instances based on its current hypothesis. In combination with consistency…

Machine Learning · Statistics 2021-11-05 Julian Lienen , Eyke Hüllermeier

Unsupervised domain adaptation aims to transfer the classifier learned from the source domain to the target domain in an unsupervised manner. With the help of target pseudo-labels, aligning class-level distributions and learning the…

Machine Learning · Computer Science 2019-06-11 Dong-Dong Chen , Yisen Wang , Jinfeng Yi , Zaiyi Chen , Zhi-Hua Zhou

Deep convolutional neural networks have considerably improved state-of-the-art results for semantic segmentation. Nevertheless, even modern architectures lack the ability to generalize well to a test dataset that originates from a different…

Computer Vision and Pattern Recognition · Computer Science 2021-05-06 Robert A. Marsden , Alexander Bartler , Mario Döbler , Bin Yang

Deep neural networks, trained with large amount of labeled data, can fail to generalize well when tested with examples from a \emph{target domain} whose distribution differs from the training data distribution, referred as the \emph{source…

The amount of manually labeled data is limited in medical applications, so semi-supervised learning and automatic labeling strategies can be an asset for training deep neural networks. However, the quality of the automatically generated…

Machine Learning · Computer Science 2022-03-04 Wenhui Cui , Haleh Akrami , Anand A. Joshi , Richard M. Leahy

Self-taught learning is a technique that uses a large number of unlabeled data as source samples to improve the task performance on target samples. Compared with other transfer learning techniques, self-taught learning can be applied to a…

Machine Learning · Computer Science 2019-12-03 Siwei Feng , Han Yu , Marco F. Duarte

In this work we address multi-target domain adaptation (MTDA) in semantic segmentation, which consists in adapting a single model from an annotated source dataset to multiple unannotated target datasets that differ in their underlying data…

Computer Vision and Pattern Recognition · Computer Science 2022-10-05 Yangsong Zhang , Subhankar Roy , Hongtao Lu , Elisa Ricci , Stéphane Lathuilière