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While recent automated data augmentation methods lead to state-of-the-art results, their design spaces and the derived data augmentation strategies still incorporate strong human priors. In this work, instead of fixing a set of hand-picked…

计算机视觉与模式识别 · 计算机科学 2022-03-16 Yu Zheng , Zhi Zhang , Shen Yan , Mi Zhang

Efficient hyperparameter or architecture search methods have shown remarkable results, but each of them is only applicable to searching for either hyperparameters (HPs) or architectures. In this work, we propose a unified pipeline, AutoHAS,…

计算机视觉与模式识别 · 计算机科学 2021-04-08 Xuanyi Dong , Mingxing Tan , Adams Wei Yu , Daiyi Peng , Bogdan Gabrys , Quoc V. Le

Recently numerous machine learning based methods for combinatorial optimization problems have been proposed that learn to construct solutions in a sequential decision process via reinforcement learning. While these methods can be easily…

机器学习 · 计算机科学 2022-03-16 André Hottung , Yeong-Dae Kwon , Kevin Tierney

Data augmentation serves as a popular regularization technique to combat overfitting challenges in neural networks. While automatic augmentation has demonstrated success in image classification tasks, its application to time-series…

机器学习 · 计算机科学 2025-06-19 Liran Nochumsohn , Omri Azencot

With the increasing penetration of machine learning applications in critical decision-making areas, calls for algorithmic fairness are more prominent. Although there have been various modalities to improve algorithmic fairness through…

机器学习 · 计算机科学 2024-05-21 Zhihao Hu , Yiran Xu , Mengnan Du , Jindong Gu , Xinmei Tian , Fengxiang He

This paper proposes a novel, efficient transfer learning method, called Scalable Weight Reparametrization (SWR) that is efficient and effective for multiple downstream tasks. Efficient transfer learning involves utilizing a pre-trained…

机器学习 · 计算机科学 2023-02-28 Byeonggeun Kim , Jun-Tae Lee , Seunghan yang , Simyung Chang

Modern neural networks are over-parameterized and thus rely on strong regularization such as data augmentation and weight decay to reduce overfitting and improve generalization. The dominant form of data augmentation applies invariant…

计算机视觉与模式识别 · 计算机科学 2024-01-25 Yang Liu , Shen Yan , Laura Leal-Taixé , James Hays , Deva Ramanan

Data augmentation is practically helpful for visual recognition, especially at the time of data scarcity. However, such success is only limited to quite a few light augmentations (e.g., random crop, flip). Heavy augmentations are either…

计算机视觉与模式识别 · 计算机科学 2023-03-17 Yalong Bai , Mohan Zhou , Wei Zhang , Bowen Zhou , Tao Mei

In this paper we propose a novel augmentation technique that improves not only the performance of deep neural networks on clean test data, but also significantly increases their robustness to random transformations, both affine and…

Data augmentation refers to a group of techniques whose goal is to battle limited amount of available data to improve model generalization and push sample distribution toward the true distribution. While different augmentation strategies…

定量方法 · 定量生物学 2020-06-03 Ruqian Hao , Khashayar Namdar , Lin Liu , Masoom A. Haider , Farzad Khalvati

The success of deep learning depends heavily on the availability of large datasets, but in robotic manipulation there are many learning problems for which such datasets do not exist. Collecting these datasets is time-consuming and…

机器人学 · 计算机科学 2022-07-21 Peter Mitrano , Dmitry Berenson

Data augmentation is a critical contributing factor to the success of deep learning but heavily relies on prior domain knowledge which is not always available. Recent works on automatic data augmentation learn a policy to form a sequence of…

机器学习 · 计算机科学 2022-11-03 Kaiwen Yang , Yanchao Sun , Jiahao Su , Fengxiang He , Xinmei Tian , Furong Huang , Tianyi Zhou , Dacheng Tao

Contrastive learning enables learning useful audio and speech representations without ground-truth labels by maximizing the similarity between latent representations of similar signal segments. In this framework various data augmentation…

音频与语音处理 · 电气工程与系统科学 2022-04-11 Salah Zaiem , Titouan Parcollet , Slim Essid

Optimization of image transformation functions for the purpose of data augmentation has been intensively studied. In particular, adversarial data augmentation strategies, which search augmentation maximizing task loss, show significant…

计算机视觉与模式识别 · 计算机科学 2022-03-30 Teppei Suzuki

There is an emerging need for predictive models to be trained on-the-fly, since in numerous machine learning applications data are arriving in an online fashion. A critical challenge encountered is that of limited availability of ground…

In supervised machine learning (SML) research, large training datasets are essential for valid results. However, obtaining primary data in learning analytics (LA) is challenging. Data augmentation can address this by expanding and…

机器学习 · 计算机科学 2024-12-04 Valdemar Švábenský , Conrad Borchers , Elizabeth B. Cloude , Atsushi Shimada

Aligning Large Language Models (LLMs) to cater to different human preferences, learning new skills, and unlearning harmful behavior is an important problem. Search-based methods, such as Best-of-N or Monte-Carlo Tree Search, are performant,…

机器学习 · 计算机科学 2024-05-13 Seungwook Han , Idan Shenfeld , Akash Srivastava , Yoon Kim , Pulkit Agrawal

Averaging predictions of a deep ensemble of networks is apopular and effective method to improve predictive performance andcalibration in various benchmarks and Kaggle competitions. However, theruntime and training cost of deep ensembles…

计算机视觉与模式识别 · 计算机科学 2022-11-09 Timo Sämann , Ahmed Mostafa Hammam , Andrei Bursuc , Christoph Stiller , Horst-Michael Groß

We introduce ControlAugment (Ctrl-A), an automated data augmentation algorithm for image-vision tasks, which incorporates principles from control theory for online adjustment of augmentation strength distributions during model training.…

计算机视觉与模式识别 · 计算机科学 2026-03-24 Jesper B. Christensen , Ciaran Bench , Spencer A. Thomas , Hüsnü Aslan , David Balslev-Harder , Nadia A. S. Smith , Alessandra Manzin

Online learning makes sequence of decisions with partial data arrival where next movement of data is unknown. In this paper, we have presented a new technique as multiple times weight updating that update the weight iteratively forsame…

机器学习 · 计算机科学 2019-01-09 Charanjeet , Anuj Sharma