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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…

Machine Learning · Statistics 2019-03-18 Yitong Li , Michael Murias , Samantha Major , Geraldine Dawson , David E. Carlson

Metric learning aims to learn a distance metric such that semantically similar instances are pulled together while dissimilar instances are pushed away. Many existing methods consider maximizing or at least constraining a distance margin in…

Machine Learning · Statistics 2022-08-17 Xiaochen Yang , Yiwen Guo , Mingzhi Dong , Jing-Hao Xue

By transferring knowledge learned from seen/previous tasks, meta learning aims to generalize well to unseen/future tasks. Existing meta-learning approaches have shown promising empirical performance on various multiclass classification…

Machine Learning · Computer Science 2020-12-04 Jiechao Guan , Zhiwu Lu , Tao Xiang , Timothy Hospedales

Domain adversarial training has shown its effective capability for finding domain invariant feature representations and been successfully adopted for various domain adaptation tasks. However, recent advances of large models (e.g., vision…

Machine Learning · Computer Science 2024-07-18 Jiahong Chen , Zhilin Zhang , Lucy Li , Behzad Shahrasbi , Arjun Mishra

Context: Software vulnerabilities pose a significant threat to modern software systems, as evidenced by the growing number of reported vulnerabilities and cyberattacks. These escalating trends underscore the urgent need for effective…

Software Engineering · Computer Science 2025-07-01 Siyu Chen , Jiongyi Yang , Xiang Chen , Menglin Zheng , Minnan Wei , Xiaolin Ju

In this paper, we propose a domain adversarial training (DAT) algorithm to alleviate the accented speech recognition problem. In order to reduce the mismatch between labeled source domain data ("standard" accent) and unlabeled target domain…

Computation and Language · Computer Science 2018-06-08 Sining Sun , Ching-Feng Yeh , Mei-Yuh Hwang , Mari Ostendorf , Lei Xie

Multi-domain learning (MDL) refers to simultaneously constructing a model or a set of models on datasets collected from different domains. Conventional approaches emphasize domain-shared information extraction and domain-private information…

Machine Learning · Computer Science 2023-07-31 Rui He , Shengcai Liu , Jiahao Wu , Shan He , Ke Tang

Domain adversarial training has been ubiquitous for achieving invariant representations and is used widely for various domain adaptation tasks. In recent times, methods converging to smooth optima have shown improved generalization for…

Machine Learning · Computer Science 2022-06-17 Harsh Rangwani , Sumukh K Aithal , Mayank Mishra , Arihant Jain , R. Venkatesh Babu

Real-world data often exhibit imbalanced label distributions. Existing studies on data imbalance focus on single-domain settings, i.e., samples are from the same data distribution. However, natural data can originate from distinct domains,…

Machine Learning · Computer Science 2022-08-02 Yuzhe Yang , Hao Wang , Dina Katabi

Most existing unsupervised domain adaptation methods mainly focused on aligning the marginal distributions of samples between the source and target domains. This setting does not sufficiently consider the class distribution information…

Computer Vision and Pattern Recognition · Computer Science 2020-04-21 Wanqi Yang , Tong Ling , Chengmei Yang , Lei Wang , Yinghuan Shi , Luping Zhou , Ming Yang

Distribution shifts and adversarial examples are two major challenges for deploying machine learning models. While these challenges have been studied individually, their combination is an important topic that remains relatively…

Machine Learning · Computer Science 2024-02-20 Yunjuan Wang , Hussein Hazimeh , Natalia Ponomareva , Alexey Kurakin , Ibrahim Hammoud , Raman Arora

Adversarial training is a technique for training robust machine learning models. To encourage robustness, it iteratively computes adversarial examples for the model, and then re-trains on these examples via some update rule. This work…

Machine Learning · Computer Science 2019-05-23 Zachary Charles , Shashank Rajput , Stephen Wright , Dimitris Papailiopoulos

Remarkable successes were made in Medical Image Classification (MIC) recently, mainly due to wide applications of convolutional neural networks (CNNs). However, adversarial examples (AEs) exhibited imperceptible similarity with raw data,…

Image and Video Processing · Electrical Eng. & Systems 2024-03-12 Shuai Li , Xiaoguang Ma , Shancheng Jiang , Lu Meng

Existing domain adaptation methods aim to reduce the distributional difference between the source and target domains and respect their specific discriminative information, by establishing the Maximum Mean Discrepancy (MMD) and the…

Machine Learning · Computer Science 2020-07-03 Wei Wang , Haojie Li , Zhengming Ding , Zhihui Wang

In many practical transfer learning scenarios, the feature distribution is different across the source and target domains (i.e. non-i.i.d.). Maximum mean discrepancy (MMD), as a domain discrepancy metric, has achieved promising performance…

Computer Vision and Pattern Recognition · Computer Science 2019-03-26 Lei Zhang , Shanshan Wang , Guang-Bin Huang , Wangmeng Zuo , Jian Yang , David Zhang

Matching information across image and text modalities is a fundamental challenge for many applications that involve both vision and natural language processing. The objective is to find efficient similarity metrics to compare the similarity…

Computer Vision and Pattern Recognition · Computer Science 2020-10-29 Li Ren , Kai Li , LiQiang Wang , Kien Hua

The increasing availability of large-scale remote sensing labeled data has prompted researchers to develop increasingly precise and accurate data-driven models for land cover and crop classification (LC&CC). Moreover, with the introduction…

Computer Vision and Pattern Recognition · Computer Science 2022-11-03 Mauro Martini , Vittorio Mazzia , Aleem Khaliq , Marcello Chiaberge

Given labeled instances on a source domain and unlabeled ones on a target domain, unsupervised domain adaptation aims to learn a task classifier that can well classify target instances. Recent advances rely on domain-adversarial training of…

Computer Vision and Pattern Recognition · Computer Science 2019-12-18 Hui Tang , Kui Jia

Morphological tagging is challenging for morphologically rich languages due to the large target space and the need for more training data to minimize model sparsity. Dialectal variants of morphologically rich languages suffer more as they…

Computation and Language · Computer Science 2019-10-29 Nasser Zalmout , Nizar Habash

Domain adaptation performance of a learning algorithm on a target domain is a function of its source domain error and a divergence measure between the data distribution of these two domains. We present a study of various distance-based…

Computation and Language · Computer Science 2020-03-05 Han Guo , Ramakanth Pasunuru , Mohit Bansal