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Deep neural network based speech enhancement approaches aim to learn a noisy-to-clean transformation using a supervised learning paradigm. However, such a trained-well transformation is vulnerable to unseen noises that are not included in…

Sound · Computer Science 2023-02-24 Chen Chen , Yuchen Hu , Heqing Zou , Linhui Sun , Eng Siong Chng

Generative Adversarial Networks (GANs) have been used widely to generate large volumes of synthetic data. This data is being utilized for augmenting with real examples in order to train deep Convolutional Neural Networks (CNNs). Studies…

Computer Vision and Pattern Recognition · Computer Science 2020-06-18 Binod Bhattarai , Seungryul Baek , Rumeysa Bodur , Tae-Kyun Kim

Recent works on domain adaptation reveal the effectiveness of adversarial learning on filling the discrepancy between source and target domains. However, two common limitations exist in current adversarial-learning-based methods. First,…

Computer Vision and Pattern Recognition · Computer Science 2019-12-05 Minghao Xu , Jian Zhang , Bingbing Ni , Teng Li , Chengjie Wang , Qi Tian , Wenjun Zhang

Recent works in Generative Adversarial Networks (GANs) are actively revisiting various data augmentation techniques as an effective way to prevent discriminator overfitting. It is still unclear, however, that which augmentations could…

Machine Learning · Computer Science 2021-03-18 Jongheon Jeong , Jinwoo Shin

From generating never-before-seen images to domain adaptation, applications of Generative Adversarial Networks (GANs) spread wide in the domain of vision and graphics problems. With the remarkable ability of GANs in learning the…

Computer Vision and Pattern Recognition · Computer Science 2021-02-23 Saman Motamed , Farzad Khalvati

This work focuses on unsupervised representation learning in person re-identification (ReID). Recent self-supervised contrastive learning methods learn invariance by maximizing the representation similarity between two augmented views of a…

Computer Vision and Pattern Recognition · Computer Science 2023-01-03 Hao Chen , Yaohui Wang , Benoit Lagadec , Antitza Dantcheva , Francois Bremond

Adversarial examples causing evasive predictions are widely used to evaluate and improve the robustness of machine learning models. However, current studies focus on supervised learning tasks, relying on the ground-truth data label, a…

Machine Learning · Computer Science 2021-12-09 Chia-Yi Hsu , Pin-Yu Chen , Songtao Lu , Sijia Liu , Chia-Mu Yu

Domain generalization refers to the problem where we aim to train a model on data from a set of source domains so that the model can generalize to unseen target domains. Naively training a model on the aggregate set of data (pooled from all…

Machine Learning · Computer Science 2022-02-16 A. Tuan Nguyen , Toan Tran , Yarin Gal , Atılım Güneş Baydin

Partial domain adaptation aims to transfer knowledge from a label-rich source domain to a label-scarce target domain which relaxes the fully shared label space assumption across different domains. In this more general and practical…

Machine Learning · Computer Science 2019-05-13 Jin Chen , Xinxiao Wu , Lixin Duan , Shenghua Gao

Machine learning models are intrinsically vulnerable to domain shift between training and testing data, resulting in poor performance in novel domains. Domain generalization (DG) aims to overcome the problem by leveraging multiple source…

Computer Vision and Pattern Recognition · Computer Science 2022-10-27 Tingwei Wang , Da Li , Kaiyang Zhou , Tao Xiang , Yi-Zhe Song

Unsupervised domain adaptation seeks to learn an invariant and discriminative representation for an unlabeled target domain by leveraging the information of a labeled source dataset. We propose to improve the discriminative ability of the…

Machine Learning · Computer Science 2019-06-03 Rui Wang , Guoyin Wang , Ricardo Henao

In this paper we investigate the feasibility of using synthetic data to augment face datasets. In particular, we propose a novel generative adversarial network (GAN) that can disentangle identity-related attributes from non-identity-related…

Computer Vision and Pattern Recognition · Computer Science 2018-11-02 Daniel Sáez Trigueros , Li Meng , Margaret Hartnett

Data augmentation has been widely used to improve generalization in training deep neural networks. Recent works show that using worst-case transformations or adversarial augmentation strategies can significantly improve the accuracy and…

Computer Vision and Pattern Recognition · Computer Science 2022-11-15 Liang Xiao , Jiaolong Xu , Dawei Zhao , Erke Shang , Qi Zhu , Bin Dai

It's useful to automatically transform an image from its original form to some synthetic form (style, partial contents, etc.), while keeping the original structure or semantics. We define this requirement as the "image-to-image translation"…

Computer Vision and Pattern Recognition · Computer Science 2017-01-11 Hao Dong , Paarth Neekhara , Chao Wu , Yike Guo

Most unsupervised domain adaptation (UDA) methods assume that labeled source images are available during model adaptation. However, this assumption is often infeasible owing to confidentiality issues or memory constraints on mobile devices.…

Computer Vision and Pattern Recognition · Computer Science 2023-03-17 JoonHo Lee , Gyemin Lee

The performance of generative adversarial networks (GANs) heavily deteriorates given a limited amount of training data. This is mainly because the discriminator is memorizing the exact training set. To combat it, we propose Differentiable…

Computer Vision and Pattern Recognition · Computer Science 2020-12-08 Shengyu Zhao , Zhijian Liu , Ji Lin , Jun-Yan Zhu , Song Han

Federated domain generalization aims to train a global model from multiple source domains and ensure its generalization ability to unseen target domains. Due to the target domain being with unknown domain shifts, attempting to approximate…

Computer Vision and Pattern Recognition · Computer Science 2025-01-28 Haoxuan Che , Yifei Wu , Haibo Jin , Yong Xia , Hao Chen

Existing deep learning methods of video recognition usually require a large number of labeled videos for training. But for a new task, videos are often unlabeled and it is also time-consuming and labor-intensive to annotate them. Instead of…

Computer Vision and Pattern Recognition · Computer Science 2018-05-14 Feiwu Yu , Xinxiao Wu , Yuchao Sun , Lixin Duan

Domain generalization (DG) is a fundamental yet very challenging research topic in machine learning. The existing arts mainly focus on learning domain-invariant features with limited source domains in a static model. Unfortunately, there is…

Machine Learning · Computer Science 2022-05-30 Zhishu Sun , Zhifeng Shen , Luojun Lin , Yuanlong Yu , Zhifeng Yang , Shicai Yang , Weijie Chen

This paper addresses unsupervised domain adaptation, the setting where labeled training data is available on a source domain, but the goal is to have good performance on a target domain with only unlabeled data. Like much of previous work,…

Machine Learning · Computer Science 2019-10-01 Yu Sun , Eric Tzeng , Trevor Darrell , Alexei A. Efros