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Data augmentations are effective in improving the invariance of learning machines. We argue that the core challenge of data augmentations lies in designing data transformations that preserve labels. This is relatively straightforward for…

机器学习 · 计算机科学 2023-03-01 Youzhi Luo , Michael McThrow , Wing Yee Au , Tao Komikado , Kanji Uchino , Koji Maruhashi , Shuiwang Ji

The high costs of annotating large datasets suggests a need for effectively training CNNs with limited data, and data augmentation is a promising direction. We study foundational augmentation techniques, including Mixed Sample Data…

计算机视觉与模式识别 · 计算机科学 2023-11-29 Swarna Kamlam Ravindran , Carlo Tomasi

Data augmentation is widely used as a part of the training process applied to deep learning models, especially in the computer vision domain. Currently, common data augmentation techniques are designed manually. Therefore they require…

计算机视觉与模式识别 · 计算机科学 2019-07-31 Irynei Baran , Orest Kupyn , Arseny Kravchenko

Data augmentation (DA) methods tailored to specific domains generate synthetic samples by applying transformations that are appropriate for the characteristics of the underlying data domain, such as rotations on images and time warping on…

机器学习 · 计算机科学 2024-06-18 Ilya Kaufman , Omri Azencot

While large language models (LLMs) are pretrained on massive amounts of data, their knowledge coverage remains incomplete in specialized, data-scarce domains, motivating extensive efforts to study synthetic data generation for knowledge…

机器学习 · 计算机科学 2026-03-24 Kexian Tang , Jiani Wang , Shaowen Wang , Kaifeng Lyu

Deep reinforcement learning (RL) agents often fail to generalize to unseen scenarios, even when they are trained on many instances of semantically similar environments. Data augmentation has recently been shown to improve the sample…

机器学习 · 计算机科学 2021-02-23 Roberta Raileanu , Max Goldstein , Denis Yarats , Ilya Kostrikov , Rob Fergus

Models that perform well on a training domain often fail to generalize to out-of-domain (OOD) examples. Data augmentation is a common method used to prevent overfitting and improve OOD generalization. However, in natural language, it is…

计算与语言 · 计算机科学 2020-10-06 Nathan Ng , Kyunghyun Cho , Marzyeh Ghassemi

With the advances in deep learning, speech enhancement systems benefited from large neural network architectures and achieved state-of-the-art quality. However, speaker-agnostic methods are not always desirable, both in terms of quality and…

音频与语音处理 · 电气工程与系统科学 2022-11-15 Anastasia Kuznetsova , Aswin Sivaraman , Minje Kim

Code translation aims to translate the code from its source language to the target language and is used in various software development scenarios. Recent developments in Large Language Models (LLMs) have showcased their capabilities in code…

软件工程 · 计算机科学 2025-10-20 Zhiming Zhang , Qingfu Zhu , Xianzhen Luo , Yixuan Wang , Bohan Li , Wanxiang Che

As a part of the Data-Centric AI Competition, we propose a data-centric approach to improve the diversity of the training samples by iterative sampling. The method itself relies strongly on the fidelity of augmented samples and the…

机器学习 · 计算机科学 2021-11-09 Devrim Cavusoglu , Ogulcan Eryuksel , Sinan Altinuc

Deep Neural Networks are well known for efficiently fitting training data, yet experiencing poor generalization capabilities whenever some kind of bias dominates over the actual task labels, resulting in models learning "shortcuts". In…

机器学习 · 计算机科学 2024-08-12 Pietro Morerio , Ruggero Ragonesi , Vittorio Murino

Despite the rapid growth in datasets for video activity, stable robust activity recognition with neural networks remains challenging. This is in large part due to the explosion of possible variation in video -- including lighting changes,…

计算机视觉与模式识别 · 计算机科学 2019-12-04 Yi Zhang , Xinyue Wei , Weichao Qiu , Zihao Xiao , Gregory D. Hager , Alan Yuille

We present PointAugment, a new auto-augmentation framework that automatically optimizes and augments point cloud samples to enrich the data diversity when we train a classification network. Different from existing auto-augmentation methods…

计算机视觉与模式识别 · 计算机科学 2020-03-23 Ruihui Li , Xianzhi Li , Pheng-Ann Heng , Chi-Wing Fu

As an essential branch of recommender systems, sequential recommendation (SR) has received much attention due to its well-consistency with real-world situations. However, the widespread data sparsity issue limits the SR model's performance.…

信息检索 · 计算机科学 2024-09-23 Yizhou Dang , Enneng Yang , Yuting Liu , Guibing Guo , Linying Jiang , Jianzhe Zhao , Xingwei Wang

Data Augmentation (DA) has become an essential tool to improve robustness and generalization of modern machine learning. However, when deciding on DA strategies it is critical to choose parameters carefully, and this can be a daunting task…

机器学习 · 计算机科学 2026-03-04 Madi Matymov , Ba-Hien Tran , Michael Kampffmeyer , Markus Heinonen , Maurizio Filippone

Despite its flexibility to learn diverse inductive biases in machine learning programs, meta learning (i.e., learning to learn) has long been recognized to suffer from poor scalability due to its tremendous compute/memory costs, training…

Large-batch SGD is important for scaling training of deep neural networks. However, without fine-tuning hyperparameter schedules, the generalization of the model may be hampered. We propose to use batch augmentation: replicating instances…

机器学习 · 计算机科学 2019-01-29 Elad Hoffer , Tal Ben-Nun , Itay Hubara , Niv Giladi , Torsten Hoefler , Daniel Soudry

Data augmentation plays a pivotal role in enhancing and diversifying training data. Nonetheless, consistently improving model performance in varied learning scenarios, especially those with inherent data biases, remains challenging. To…

机器学习 · 计算机科学 2024-06-04 Xiaoling Zhou , Wei Ye , Zhemg Lee , Rui Xie , Shikun Zhang

Adapters are a parameter-efficient alternative to fine-tuning, which augment a frozen base network to learn new tasks. Yet, the inference of the adapted model is often slower than the corresponding fine-tuned model. To improve on this, we…

计算机视觉与模式识别 · 计算机科学 2023-02-03 Lukas Hedegaard , Aman Alok , Juby Jose , Alexandros Iosifidis

Data augmentation (DA) is an essential technique for training state-of-the-art deep learning systems. In this paper, we empirically show data augmentation might introduce noisy augmented examples and consequently hurt the performance on…

计算机视觉与模式识别 · 计算机科学 2020-11-25 Chengyue Gong , Dilin Wang , Meng Li , Vikas Chandra , Qiang Liu