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The problem of model collapse has presented new challenges in iterative training of generative models, where such training with synthetic data leads to an overall degradation of performance. This paper looks at the problem from a…

机器学习 · 统计学 2026-02-19 Soham Bakshi , Sunrit Chakraborty

This paper proposes an approach to cross-language sentence selection in a low-resource setting. It uses data augmentation and negative sampling techniques on noisy parallel sentence data to directly learn a cross-lingual embedding-based…

计算与语言 · 计算机科学 2021-06-07 Yanda Chen , Chris Kedzie , Suraj Nair , Petra Galuščáková , Rui Zhang , Douglas W. Oard , Kathleen McKeown

Predictive models that generalize well under distributional shift are often desirable and sometimes crucial to building robust and reliable machine learning applications. We focus on distributional shift that arises in causal inference from…

机器学习 · 统计学 2018-02-27 Fredrik D. Johansson , Nathan Kallus , Uri Shalit , David Sontag

Data often are formed of multiple modalities, which jointly describe the observed phenomena. Modeling the joint distribution of multimodal data requires larger expressive power to capture high-level concepts and provide better data…

机器学习 · 计算机科学 2020-09-09 Sasho Nedelkoski , Mihail Bogojeski , Odej Kao

Compositional generalization refers to the ability to generalize to novel combinations of previously observed words and syntactic structures. Since it is regarded as a desired property of neural models, recent work has assessed…

计算与语言 · 计算机科学 2025-04-07 Ryoma Kumon , Daiki Matsuoka , Hitomi Yanaka

Contrastive Learning has emerged as a powerful representation learning method and facilitates various downstream tasks especially when supervised data is limited. How to construct efficient contrastive samples through data augmentation is…

计算与语言 · 计算机科学 2021-11-30 Yangkai Du , Tengfei Ma , Lingfei Wu , Fangli Xu , Xuhong Zhang , Bo Long , Shouling Ji

Data augmentation is widely used for machine learning; however, an effective method to apply data augmentation has not been established even though it includes several factors that should be tuned carefully. One such factor is sample…

机器学习 · 计算机科学 2020-10-30 Tomoumi Takase , Ryo Karakida , Hideki Asoh

The compositional generalization abilities of neural models have been sought after for human-like linguistic competence. The popular method to evaluate such abilities is to assess the models' input-output behavior. However, that does not…

计算与语言 · 计算机科学 2025-02-24 Ryoma Kumon , Hitomi Yanaka

We introduce style augmentation, a new form of data augmentation based on random style transfer, for improving the robustness of convolutional neural networks (CNN) over both classification and regression based tasks. During training, our…

计算机视觉与模式识别 · 计算机科学 2019-04-15 Philip T. Jackson , Amir Atapour-Abarghouei , Stephen Bonner , Toby Breckon , Boguslaw Obara

Deep learning-based text classification models need abundant labeled data to obtain competitive performance. Unfortunately, annotating large-size corpus is time-consuming and laborious. To tackle this, multiple researches try to use data…

计算与语言 · 计算机科学 2023-02-03 Xiaotian Lin , Nankai Lin , Yingwen Fu , Ziyu Yang , Shengyi Jiang

Seq2Seq based neural architectures have become the go-to architecture to apply to sequence to sequence language tasks. Despite their excellent performance on these tasks, recent work has noted that these models usually do not fully capture…

计算与语言 · 计算机科学 2018-05-10 Noah Weber , Leena Shekhar , Niranjan Balasubramanian

In deep reinforcement learning (RL), data augmentation is widely considered as a tool to induce a set of useful priors about semantic consistency and improve sample efficiency and generalization performance. However, even when the prior is…

机器学习 · 计算机科学 2023-03-02 Byungchan Ko , Jungseul Ok

In deep reinforcement learning (RL), data augmentation is widely considered as a tool to induce a set of useful priors about semantic consistency and improve sample efficiency and generalization performance. However, even when the prior is…

机器学习 · 计算机科学 2022-10-21 Byungchan Ko , Jungseul Ok

Data augmentation is one of the most effective techniques to improve the generalization performance of deep neural networks. Yet, despite often facing limited data availability in medical image analysis, it is frequently underutilized. This…

图像与视频处理 · 电气工程与系统科学 2024-03-18 Adam Tupper , Christian Gagné

Mixup is a popular data augmentation technique based on taking convex combinations of pairs of examples and their labels. This simple technique has been shown to substantially improve both the robustness and the generalization of the…

机器学习 · 计算机科学 2021-03-19 Linjun Zhang , Zhun Deng , Kenji Kawaguchi , Amirata Ghorbani , James Zou

A folded type model is developed for analyzing compositional data. The proposed model involves an extension of the $\alpha$-transformation for compositional data and provides a new and flexible class of distributions for modeling data…

机器学习 · 统计学 2019-02-27 Michail Tsagris , Connie Stewart

With the increasing utilization of deep learning in outdoor settings, its robustness needs to be enhanced to preserve accuracy in the face of distribution shifts, such as compression artifacts. Data augmentation is a widely used technique…

计算机视觉与模式识别 · 计算机科学 2023-10-03 Shohei Enomoto , Monikka Roslianna Busto , Takeharu Eda

Synthetic data augmentation via large language models (LLMs) allows researchers to leverage additional training data, thus enhancing the performance of downstream tasks, especially when real-world data is scarce. However, the generated data…

机器学习 · 计算机科学 2025-03-25 Hsun-Yu Kuo , Yin-Hsiang Liao , Yu-Chieh Chao , Wei-Yun Ma , Pu-Jen Cheng

Self-supervised representation learning follows a paradigm of withholding some part of the data and tasking the network to predict it from the remaining part. Among many techniques, data augmentation lies at the core for creating the…

计算机视觉与模式识别 · 计算机科学 2023-08-24 Huimin Wu , Chenyang Lei , Xiao Sun , Peng-Shuai Wang , Qifeng Chen , Kwang-Ting Cheng , Stephen Lin , Zhirong Wu

Domain generalization is the problem of machine learning when the training data and the test data come from different data domains. We present a simple theoretical model of learning to generalize across domains in which there is a…

机器学习 · 计算机科学 2020-02-14 Vikas K. Garg , Adam Kalai , Katrina Ligett , Zhiwei Steven Wu