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Discrete adversarial attacks are symbolic perturbations to a language input that preserve the output label but lead to a prediction error. While such attacks have been extensively explored for the purpose of evaluating model robustness,…

机器学习 · 计算机科学 2021-11-02 Maor Ivgi , Jonathan Berant

Current state-of-the-art neural dialogue models learn from human conversations following the data-driven paradigm. As such, a reliable training corpus is the crux of building a robust and well-behaved dialogue model. However, due to the…

计算与语言 · 计算机科学 2020-06-12 Hengyi Cai , Hongshen Chen , Yonghao Song , Cheng Zhang , Xiaofang Zhao , Dawei Yin

The generalization with respect to domain shifts, as they frequently appear in applications such as autonomous driving, is one of the remaining big challenges for deep learning models. Therefore, we propose an intra-source style…

计算机视觉与模式识别 · 计算机科学 2023-05-30 Yumeng Li , Dan Zhang , Margret Keuper , Anna Khoreva

Domain Adaptive Object Detection (DAOD) aims to transfer detectors from a labeled source domain to an unlabeled target domain. Existing DAOD methods employ multi-granularity feature alignment to learn domain-invariant representations.…

计算机视觉与模式识别 · 计算机科学 2026-03-20 Haochen Li , Rui Zhang , Hantao Yao , Xin Zhang , Yifan Hao , Shaohui Peng , Yongwei Zhao , Ling Li

Our work reveals a structured shortcoming of the existing mainstream self-supervised learning methods. Whereas self-supervised learning frameworks usually take the prevailing perfect instance level invariance hypothesis for granted, we…

机器学习 · 计算机科学 2021-12-16 Yu Wang , Jingyang Lin , Jingjing Zou , Yingwei Pan , Ting Yao , Tao Mei

Unsupervised Data Augmentation (UDA) is a semi-supervised technique that applies a consistency loss to penalize differences between a model's predictions on (a) observed (unlabeled) examples; and (b) corresponding 'noised' examples produced…

计算与语言 · 计算机科学 2020-10-26 David Lowell , Brian E. Howard , Zachary C. Lipton , Byron C. Wallace

Contextual ranking models have delivered impressive performance improvements over classical models in the document ranking task. However, these highly over-parameterized models tend to be data-hungry and require large amounts of data even…

信息检索 · 计算机科学 2023-11-28 Abhijit Anand , Jurek Leonhardt , Jaspreet Singh , Koustav Rudra , Avishek Anand

In semi-supervised learning, unlabeled samples can be utilized through augmentation and consistency regularization. However, we observed certain samples, even undergoing strong augmentation, are still correctly classified with high…

计算机视觉与模式识别 · 计算机科学 2023-09-08 Guan Gui , Zhen Zhao , Lei Qi , Luping Zhou , Lei Wang , Yinghuan Shi

Deep Learning has thrived on the emergence of biomedical big data. However, medical datasets acquired at different institutions have inherent bias caused by various confounding factors such as operation policies, machine protocols,…

图像与视频处理 · 电气工程与系统科学 2019-11-15 Yundong Zhang , Hang Wu , Huiye Liu , Li Tong , May D Wang

Transformers have revolutionized deep learning across various tasks, including audio representation learning, due to their powerful modeling capabilities. However, they often suffer from quadratic complexity in both GPU memory usage and…

音频与语音处理 · 电气工程与系统科学 2025-02-06 Siavash Shams , Sukru Samet Dindar , Xilin Jiang , Nima Mesgarani

Data augmentation is widely known as a simple yet surprisingly effective technique for regularizing deep networks. Conventional data augmentation schemes, e.g., flipping, translation or rotation, are low-level, data-independent and…

计算机视觉与模式识别 · 计算机科学 2021-06-07 Yulin Wang , Gao Huang , Shiji Song , Xuran Pan , Yitong Xia , Cheng Wu

Deep Learning (DL) methods have emerged as one of the most powerful tools for functional approximation and prediction. While the representation properties of DL have been well studied, uncertainty quantification remains challenging and…

机器学习 · 统计学 2022-10-25 Yuexi Wang , Nicholas G. Polson , Vadim O. Sokolov

In this paper, we propose a novel implicit semantic data augmentation (ISDA) approach to complement traditional augmentation techniques like flipping, translation or rotation. Our work is motivated by the intriguing property that deep…

计算机视觉与模式识别 · 计算机科学 2020-04-28 Yulin Wang , Xuran Pan , Shiji Song , Hong Zhang , Cheng Wu , Gao Huang

Unsupervised domain adaptation (UDA) enables semantic segmentation models to generalize from a labeled source domain to an unlabeled target domain. However, existing UDA methods still struggle to bridge the domain gap due to cross-domain…

计算机视觉与模式识别 · 计算机科学 2025-12-16 Yang Ou , Xiongwei Zhao , Xinye Yang , Yihan Wang , Yicheng Di , Rong Yuan , Xieyuanli Chen , Xu Zhu

Deep neural networks are capable of learning powerful representations to tackle complex vision tasks but expose undesirable properties like the over-fitting issue. To this end, regularization techniques like image augmentation are necessary…

计算机视觉与模式识别 · 计算机科学 2025-04-17 Haohang Xu , Shuangrui Ding , Manqi Zhao , Dongsheng Jiang

Multi-source unsupervised domain adaptation (MS-UDA) for sentiment analysis (SA) aims to leverage useful information in multiple source domains to help do SA in an unlabeled target domain that has no supervised information. Existing…

计算与语言 · 计算机科学 2020-06-11 Yong Dai , Jian Liu , Xiancong Ren , Zenglin Xu

Data augmentation is a ubiquitous technique for increasing the size of labeled training sets by leveraging task-specific data transformations that preserve class labels. While it is often easy for domain experts to specify individual…

Adversarial training suffers from robust overfitting, a phenomenon where the robust test accuracy starts to decrease during training. In this paper, we focus on reducing robust overfitting by using common data augmentation schemes. We…

计算机视觉与模式识别 · 计算机科学 2021-11-10 Sylvestre-Alvise Rebuffi , Sven Gowal , Dan A. Calian , Florian Stimberg , Olivia Wiles , Timothy Mann

Data augmentation involves generating synthetic samples that resemble those in a given dataset. In resource-limited fields where high-quality data is scarce, augmentation plays a crucial role in increasing the volume of training data. This…

计算与语言 · 计算机科学 2024-12-30 Md. Tariquzzaman , Audwit Nafi Anam , Naimul Haque , Mohsinul Kabir , Hasan Mahmud , Md Kamrul Hasan

In this paper, we study the task of subjective speech quality assessment (SSQA), which refers to predicting the perceptual quality of speech. Owing to the development of deep neural network models, SSQA has greatly advanced and has been…

声音 · 计算机科学 2026-04-27 Wen-Chin Huang , Erica Cooper , Tomoki Toda