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Deep Neural Networks (DNNs) suffer from domain shift when the test dataset follows a distribution different from the training dataset. Domain generalization aims to tackle this issue by learning a model that can generalize to unseen…

Computer Vision and Pattern Recognition · Computer Science 2022-12-15 Yu Ding , Lei Wang , Bin Liang , Shuming Liang , Yang Wang , Fang Chen

Domain adaptation (DA) enables knowledge transfer from a labeled source domain to an unlabeled target domain by reducing the cross-domain distribution discrepancy. Most prior DA approaches leverage complicated and powerful deep neural…

Computer Vision and Pattern Recognition · Computer Science 2021-03-31 Shuang Li , Jinming Zhang , Wenxuan Ma , Chi Harold Liu , Wei Li

We propose a framework that learns a representation transferable across different domains and tasks in a label efficient manner. Our approach battles domain shift with a domain adversarial loss, and generalizes the embedding to novel task…

Machine Learning · Statistics 2017-12-04 Zelun Luo , Yuliang Zou , Judy Hoffman , Li Fei-Fei

Current Domain Adaptation (DA) methods based on deep architectures assume that the source samples arise from a single distribution. However, in practice, most datasets can be regarded as mixtures of multiple domains. In these cases…

Computer Vision and Pattern Recognition · Computer Science 2018-05-04 Massimiliano Mancini , Lorenzo Porzi , Samuel Rota Bulò , Barbara Caputo , Elisa Ricci

Broad learning system (BLS) has been proposed for a few years. It demonstrates an effective learning capability for many classification and regression problems. However, BLS and its improved versions are mainly used to deal with…

Machine Learning · Computer Science 2021-06-29 Chao Yuan , Chang-E Ren

Partial domain adaptation which assumes that the unknown target label space is a subset of the source label space has attracted much attention in computer vision. Despite recent progress, existing methods often suffer from three key…

Computer Vision and Pattern Recognition · Computer Science 2023-01-05 Aadarsh Sahoo , Rameswar Panda , Rogerio Feris , Kate Saenko , Abir Das

Data sparsity is an inherent challenge in the recommender systems, where most of the data is collected from the implicit feedbacks of users. This causes two difficulties in designing effective algorithms: first, the majority of users only…

Information Retrieval · Computer Science 2020-07-15 Wenhui Yu , Xiao Lin , Junfeng Ge , Wenwu Ou , Zheng Qin

This paper studies zero-shot domain adaptation where each domain is indexed on a multi-dimensional array, and we only have data from a small subset of domains. Our goal is to produce predictors that perform well on \emph{unseen} domains. We…

Machine Learning · Computer Science 2021-06-15 Zhili Feng , Shaobo Han , Simon S. Du

Domain adaptation in natural language generation (NLG) remains challenging because of the high complexity of input semantics across domains and limited data of a target domain. This is particularly the case for dialogue systems, where we…

Computation and Language · Computer Science 2019-10-16 Bo-Hsiang Tseng , Paweł Budzianowski , Yen-Chen Wu , Milica Gašić

Zero-day anomaly detection is critical in industrial applications where novel, unforeseen threats can compromise system integrity and safety. Traditional detection systems often fail to identify these unseen anomalies due to their reliance…

Cryptography and Security · Computer Science 2025-10-20 Padmaksha Roy , Tyler Cody , Himanshu Singhal , Kevin Choi , Ming Jin

Deep learning has become the leading approach to assisted target recognition. While these methods typically require large amounts of labeled training data, domain adaptation (DA) or transfer learning (TL) enables these algorithms to…

Computer Vision and Pattern Recognition · Computer Science 2021-01-29 Deborah Weeks , Samuel Rivera

We introduce a novel unsupervised domain adaptation approach for object detection. We aim to alleviate the imperfect translation problem of pixel-level adaptations, and the source-biased discriminativity problem of feature-level adaptations…

Computer Vision and Pattern Recognition · Computer Science 2019-05-15 Taekyung Kim , Minki Jeong , Seunghyeon Kim , Seokeon Choi , Changick Kim

Recent deep learning methods for object detection rely on a large amount of bounding box annotations. Collecting these annotations is laborious and costly, yet supervised models do not generalize well when testing on images from a different…

Computer Vision and Pattern Recognition · Computer Science 2019-10-25 Han-Kai Hsu , Chun-Han Yao , Yi-Hsuan Tsai , Wei-Chih Hung , Hung-Yu Tseng , Maneesh Singh , Ming-Hsuan Yang

Domain adaptation deals with adapting classifiers trained on data from a source distribution, to work effectively on data from a target distribution. In this paper, we introduce the Nonlinear Embedding Transform (NET) for unsupervised…

Artificial Intelligence · Computer Science 2017-06-26 Hemanth Venkateswara , Shayok Chakraborty , Troy McDaniel , Sethuraman Panchanathan

Recent work has shown the importance of adaptation of broad-coverage contextualised embedding models on the domain of the target task of interest. Current self-supervised adaptation methods are simplistic, as the training signal comes from…

Computation and Language · Computer Science 2020-10-06 Thuy-Trang Vu , Dinh Phung , Gholamreza Haffari

Domain adaptation is critical for learning in new and unseen environments. With domain adversarial training, deep networks can learn disentangled and transferable features that effectively diminish the dataset shift between the source and…

Computer Vision and Pattern Recognition · Computer Science 2019-04-09 Zhangjie Cao , Kaichao You , Mingsheng Long , Jianmin Wang , Qiang Yang

Unpaired image-to-image translation (UNIT) aims to map images between two visual domains without paired training data. However, given a UNIT model trained on certain domains, it is difficult for current methods to incorporate new domains…

Computer Vision and Pattern Recognition · Computer Science 2023-06-27 Siyu Huang , Jie An , Donglai Wei , Zudi Lin , Jiebo Luo , Hanspeter Pfister

In machine learning, if the training data is an unbiased sample of an underlying distribution, then the learned classification function will make accurate predictions for new samples. However, if the training data is not an unbiased sample,…

Machine Learning · Computer Science 2019-01-15 Wouter M. Kouw , Marco Loog

Transfer learning (TL) is widely used in conventional hybrid automatic speech recognition (ASR) system, to transfer the knowledge from source to target language. TL can be applied to end-to-end (E2E) ASR system such as recurrent neural…

Audio and Speech Processing · Electrical Eng. & Systems 2020-08-18 Vikas Joshi , Rui Zhao , Rupesh R. Mehta , Kshitiz Kumar , Jinyu Li

Large language models (LLMs) have showcased their capability with few-shot inference known as in-context learning. However, in-domain demonstrations are not always readily available in real scenarios, leading to cross-domain in-context…

Computation and Language · Computer Science 2023-11-21 Quanyu Long , Wenya Wang , Sinno Jialin Pan