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Deep learning has achieved remarkable results in many computer vision tasks. Deep neural networks typically rely on large amounts of training data to avoid overfitting. However, labeled data for real-world applications may be limited. By…

计算机视觉与模式识别 · 计算机科学 2023-11-07 Suorong Yang , Weikang Xiao , Mengchen Zhang , Suhan Guo , Jian Zhao , Furao Shen

Large models, encompassing large language and diffusion models, have shown exceptional promise in approximating human-level intelligence, garnering significant interest from both academic and industrial spheres. However, the training of…

机器学习 · 计算机科学 2024-03-05 Yue Zhou , Chenlu Guo , Xu Wang , Yi Chang , Yuan Wu

Despite recent advancements in Machine Learning, many tasks still involve working in low-data regimes which can make solving natural language problems difficult. Recently, a number of text augmentation techniques have emerged in the field…

计算与语言 · 计算机科学 2023-02-27 Congcong Wang , Gonzalo Fiz Pontiveros , Steven Derby , Tri Kurniawan Wijaya

It's hard for neural MWP solvers to deal with tiny local variances. In MWP task, some local changes conserve the original semantic while the others may totally change the underlying logic. Currently, existing datasets for MWP task contain…

计算与语言 · 计算机科学 2022-04-19 Ailisi Li , Jiaqing Liang , Yanghua Xiao

Estimating the score function (or other population-density-dependent functions) is a fundamental component of most generative models. However, such function estimation is computationally and statistically challenging. Can we avoid function…

机器学习 · 计算机科学 2025-07-14 Hadi Daneshmand , Ashkan Soleymani

Most previous methods for text data augmentation are limited to simple tasks and weak baselines. We explore data augmentation on hard tasks (i.e., few-shot natural language understanding) and strong baselines (i.e., pretrained models with…

计算与语言 · 计算机科学 2022-03-16 Jing Zhou , Yanan Zheng , Jie Tang , Jian Li , Zhilin Yang

Data augmentation using generative models has emerged as a powerful paradigm for enhancing performance in computer vision tasks. However, most existing augmentation approaches primarily focus on optimizing intrinsic data attributes -- such…

计算机视觉与模式识别 · 计算机科学 2025-10-29 Jiyu Guo , Shuo Yang , Yiming Huang , Yancheng Long , Xiaobo Xia , Xiu Su , Bo Zhao , Zeke Xie , Liqiang Nie

Data augmentation is an effective and universal technique for improving generalization performance of deep neural networks. It could enrich diversity of training samples that is essential in medical image segmentation tasks because 1) the…

图像与视频处理 · 电气工程与系统科学 2020-12-29 Ju Xu , Mengzhang Li , Zhanxing Zhu

As an effective strategy, data augmentation (DA) alleviates data scarcity scenarios where deep learning techniques may fail. It is widely applied in computer vision then introduced to natural language processing and achieves improvements in…

计算与语言 · 计算机科学 2022-06-28 Bohan Li , Yutai Hou , Wanxiang Che

Data augmentation has attracted a lot of research attention in the deep learning era for its ability in alleviating data sparseness. The lack of labeled data for unseen evaluation databases is exactly the major challenge for cross-domain…

计算与语言 · 计算机科学 2022-11-16 Kun Wu , Lijie Wang , Zhenghua Li , Ao Zhang , Xinyan Xiao , Hua Wu , Min Zhang , Haifeng Wang

Missing data imputation is a fundamental problem in data analysis, and many studies have been conducted to improve its performance by exploring model structures and learning procedures. However, data augmentation, as a simple yet effective…

机器学习 · 计算机科学 2023-04-07 Yufeng Wang , Dan Li , Cong Xu , Min Yang

Data augmentations are useful in closing the sim-to-real domain gap when training on synthetic data. This is because they widen the training data distribution, thus encouraging the model to generalize better to other domains. Many image…

计算机视觉与模式识别 · 计算机科学 2024-03-12 Bram Vanherle , Nick Michiels , Frank Van Reeth

Data augmentation is an essential technique in natural language processing (NLP) for enriching training datasets by generating diverse samples. This process is crucial for improving the robustness and generalization capabilities of NLP…

计算与语言 · 计算机科学 2025-10-16 Zaitian Wang , Jinghan Zhang , Xinhao Zhang , Kunpeng Liu , Pengfei Wang , Yuanchun Zhou

Deep Learning models are incredibly data-hungry and require very large labeled datasets for supervised learning. As a consequence, these models often suffer from overfitting, limiting their ability to generalize to real-world examples.…

计算机视觉与模式识别 · 计算机科学 2025-09-16 Sahiti Yerramilli , Jayant Sravan Tamarapalli , Tanmay Girish Kulkarni , Jonathan Francis , Eric Nyberg

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

Data augmentation aims to enrich training samples for alleviating the overfitting issue in low-resource or class-imbalanced situations. Traditional methods first devise task-specific operations such as Synonym Substitute, then preset the…

计算与语言 · 计算机科学 2021-09-03 Shuhuai Ren , Jinchao Zhang , Lei Li , Xu Sun , Jie Zhou

With the latest advances in Deep Learning-based generative models, it has not taken long to take advantage of their remarkable performance in the area of time series. Deep neural networks used to work with time series heavily depend on the…

Recently, retrieval-augmented text generation attracted increasing attention of the computational linguistics community. Compared with conventional generation models, retrieval-augmented text generation has remarkable advantages and…

计算与语言 · 计算机科学 2022-02-15 Huayang Li , Yixuan Su , Deng Cai , Yan Wang , Lemao Liu

We examine the effect of data augmentation for training of language models for speech recognition. We compare augmentation based on global error statistics with one based on per-word unigram statistics of ASR errors and observe that it is…

计算与语言 · 计算机科学 2020-11-13 Karel Beneš , Lukáš Burget

Data augmentation is often used to enlarge datasets with synthetic samples generated in accordance with the underlying data distribution. To enable a wider range of augmentations, we explore negative data augmentation strategies (NDA)that…

计算机视觉与模式识别 · 计算机科学 2021-02-11 Abhishek Sinha , Kumar Ayush , Jiaming Song , Burak Uzkent , Hongxia Jin , Stefano Ermon