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We propose a new learning method for heterogeneous domain adaptation (HDA), in which the data from the source domain and the target domain are represented by heterogeneous features with different dimensions. Using two different projection…

Machine Learning · Computer Science 2012-06-22 Lixin Duan , Dong Xu , Ivor Tsang

Unsupervised domain adaptation (UDA) methods for learning domain invariant representations have achieved remarkable progress. However, most of the studies were based on direct adaptation from the source domain to the target domain and have…

Computer Vision and Pattern Recognition · Computer Science 2021-03-26 Jaemin Na , Heechul Jung , Hyung Jin Chang , Wonjun Hwang

We consider unsupervised domain adaptation (UDA), where labeled data from a source domain (e.g., photographs) and unlabeled data from a target domain (e.g., sketches) are used to learn a classifier for the target domain. Conventional UDA…

Machine Learning · Computer Science 2022-12-05 Kendrick Shen , Robbie Jones , Ananya Kumar , Sang Michael Xie , Jeff Z. HaoChen , Tengyu Ma , Percy Liang

Domain Adaptation (DA) techniques are important for overcoming the domain shift between the source domain used for training and the target domain where testing takes place. However, current DA methods assume that the entire target domain is…

Computer Vision and Pattern Recognition · Computer Science 2021-04-09 Abu Md Niamul Taufique , Chowdhury Sadman Jahan , Andreas Savakis

In computer vision, contrastive learning is the most advanced unsupervised learning framework. Yet most previous methods simply apply fixed composition of data augmentations to improve data efficiency, which ignores the changes in their…

Computer Vision and Pattern Recognition · Computer Science 2023-04-20 Yuhan Zhang , He Zhu , Shan Yu

Unsupervised domain adaptation (UDA) is widely used to transfer knowledge from a labeled source domain to an unlabeled target domain with different data distribution. While extensive studies attested that deep learning models are vulnerable…

Computer Vision and Pattern Recognition · Computer Science 2021-03-26 Jiajin Zhang , Hanqing Chao , Pingkun Yan

Domain adaptation for semantic segmentation aims to improve the model performance in the presence of a distribution shift between source and target domain. Leveraging the supervision from auxiliary tasks~(such as depth estimation) has the…

Computer Vision and Pattern Recognition · Computer Science 2021-08-25 Qin Wang , Dengxin Dai , Lukas Hoyer , Luc Van Gool , Olga Fink

Self-supervised learning aims to learn a embedding space where semantically similar samples are close. Contrastive learning methods pull views of samples together and push different samples away, which utilizes semantic invariance of…

Machine Learning · Computer Science 2023-02-17 Lu Han , Han-Jia Ye , De-Chuan Zhan

We study the problem of semi-supervised question answering----utilizing unlabeled text to boost the performance of question answering models. We propose a novel training framework, the Generative Domain-Adaptive Nets. In this framework, we…

Computation and Language · Computer Science 2017-04-25 Zhilin Yang , Junjie Hu , Ruslan Salakhutdinov , William W. Cohen

We introduce a practical Domain Adaptation (DA) paradigm called Class-Incremental Domain Adaptation (CIDA). Existing DA methods tackle domain-shift but are unsuitable for learning novel target-domain classes. Meanwhile, class-incremental…

Machine Learning · Computer Science 2020-08-05 Jogendra Nath Kundu , Rahul Mysore Venkatesh , Naveen Venkat , Ambareesh Revanur , R. Venkatesh Babu

This paper presents an unsupervised domain adaptation (UDA) method for predicting unlabeled target domain data, specific to complex UDA tasks where the domain gap is significant. Mainstream UDA models aim to learn from both domains and…

Computer Vision and Pattern Recognition · Computer Science 2023-05-09 Jun Kataoka , Hyunsoo Yoon

Unsupervised domain adaptation (uDA) models focus on pairwise adaptation settings where there is a single, labeled, source and a single target domain. However, in many real-world settings one seeks to adapt to multiple, but somewhat…

Computer Vision and Pattern Recognition · Computer Science 2018-10-30 Behnam Gholami , Pritish Sahu , Ognjen Rudovic , Konstantinos Bousmalis , Vladimir Pavlovic

Data-driven based approaches, in spite of great success in many tasks, have poor generalization when applied to unseen image domains, and require expensive cost of annotation especially for dense pixel prediction tasks such as semantic…

Computer Vision and Pattern Recognition · Computer Science 2021-03-09 Shuaijun Chen , Xu Jia , Jianzhong He , Yongjie Shi , Jianzhuang Liu

Unsupervised domain adaptation (UDA) deals with the problem of classifying unlabeled target domain data while labeled data is only available for a different source domain. Unfortunately, commonly used classification methods cannot fulfill…

Computer Vision and Pattern Recognition · Computer Science 2021-11-05 Tobias Ringwald , Rainer Stiefelhagen

Unsupervised domain adaptation (UDA) transfers knowledge from a label-rich source domain to a different but related fully-unlabeled target domain. To address the problem of domain shift, more and more UDA methods adopt pseudo labels of the…

Computer Vision and Pattern Recognition · Computer Science 2022-07-26 Jie Wang , Xiao-Lei Zhang

Supervised learning with large scale labeled datasets and deep layered models has made a paradigm shift in diverse areas in learning and recognition. However, this approach still suffers generalization issues under the presence of a domain…

Machine Learning · Statistics 2016-03-28 Ozan Sener , Hyun Oh Song , Ashutosh Saxena , Silvio Savarese

Data augmentation has been demonstrated as an effective strategy for improving model generalization and data efficiency. However, due to the discrete nature of natural language, designing label-preserving transformations for text data tends…

Computation and Language · Computer Science 2020-10-20 Yanru Qu , Dinghan Shen , Yelong Shen , Sandra Sajeev , Jiawei Han , Weizhu Chen

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

This paper explores domain adaptation for enabling question answering (QA) systems to answer questions posed against documents in new specialized domains. Current QA systems using deep neural network (DNN) technology have proven effective…

Computation and Language · Computer Science 2019-11-11 Timothy J. Hazen , Shehzaad Dhuliawala , Daniel Boies

Contrastive learning enables learning useful audio and speech representations without ground-truth labels by maximizing the similarity between latent representations of similar signal segments. In this framework various data augmentation…

Audio and Speech Processing · Electrical Eng. & Systems 2022-04-11 Salah Zaiem , Titouan Parcollet , Slim Essid
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