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This paper shows how data-driven machine learning approaches can improve growth control, reproducibility, and physical insight in the pulsed laser deposition (PLD) growth of correlated oxides. Despite well-known relationships between growth…

Neural network-based approaches can achieve high accuracy in various medical image segmentation tasks. However, they generally require large labelled datasets for supervised learning. Acquiring and manually labelling a large medical dataset…

Image and Video Processing · Electrical Eng. & Systems 2020-06-25 Chen Chen , Chen Qin , Huaqi Qiu , Cheng Ouyang , Shuo Wang , Liang Chen , Giacomo Tarroni , Wenjia Bai , Daniel Rueckert

This paper presents a generative adversarial network (GAN) based approach for radar image enhancement. Although radar sensors remain robust for operations under adverse weather conditions, their application in autonomous vehicles (AVs) is…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Thakshila Thilakanayake , Oscar De Silva , Thumeera R. Wanasinghe , George K. Mann , Awantha Jayasiri

Data augmentations are important in training high-performance 3D object detectors for point clouds. Despite recent efforts on designing new data augmentations, perhaps surprisingly, most state-of-the-art 3D detectors only use a few simple…

Computer Vision and Pattern Recognition · Computer Science 2022-10-26 Zhaoqi Leng , Guowang Li , Chenxi Liu , Ekin Dogus Cubuk , Pei Sun , Tong He , Dragomir Anguelov , Mingxing Tan

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…

Computation and Language · Computer Science 2022-03-16 Jing Zhou , Yanan Zheng , Jie Tang , Jian Li , Zhilin Yang

Data scarcity is a bottleneck to machine learning-based perception modules, usually tackled by augmenting real data with synthetic data from simulators. Realistic models of the vehicle perception sensors are hard to formulate in closed…

Image and Video Processing · Electrical Eng. & Systems 2019-12-03 Ahmad El Sallab , Ibrahim Sobh , Mohamed Zahran , Mohamed Shawky

Deep neural networks are vulnerable to adversarial examples. Adversarial training (AT) is an effective defense against adversarial examples. However, AT is prone to overfitting which degrades robustness substantially. Recently, data…

Computer Vision and Pattern Recognition · Computer Science 2024-08-15 Lin Li , Jianing Qiu , Michael Spratling

Neural networks are vulnerable to adversarial attacks -- small visually imperceptible crafted noise which when added to the input drastically changes the output. The most effective method of defending against these adversarial attacks is to…

High-fidelity full-field micro-mechanical modeling of the non-linear path-dependent materials demands a substantial computational effort. Recent trends in the field incorporates data-driven Artificial Neural Networks (ANNs) as surrogate…

Materials Science · Physics 2023-11-27 Hon Lam Cheung , Petter Uvdal , Mohsen Mirkhalaf

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…

Machine Learning · Computer Science 2022-11-03 Kaiwen Yang , Yanchao Sun , Jiahao Su , Fengxiang He , Xinmei Tian , Furong Huang , Tianyi Zhou , Dacheng Tao

Data augmentation (DA) turns seemingly intractable computational problems into simple ones by augmenting latent missing data. In addition to computational simplicity, it is now well-established that DA equipped with a deterministic…

Methodology · Statistics 2020-05-26 Hyungsuk Tak , Kisung You , Sujit K. Ghosh , Bingyue Su , Joseph Kelly

Active Domain Adaptation (ADA) adapts models to target domains by selectively labeling a few target samples. Existing ADA methods prioritize uncertain samples but overlook confident ones, which often match ground-truth. We find that…

Computer Vision and Pattern Recognition · Computer Science 2025-05-27 Bardia Safaei , Vibashan VS , Vishal M. Patel

Adversarial images are designed to mislead deep neural networks (DNNs), attracting great attention in recent years. Although several defense strategies achieved encouraging robustness against adversarial samples, most of them fail to…

Machine Learning · Computer Science 2020-02-25 Hang Yu , Aishan Liu , Xianglong Liu , Gengchao Li , Ping Luo , Ran Cheng , Jichen Yang , Chongzhi Zhang

Data augmentation (DA) has gained widespread popularity in deep speaker models due to its ease of implementation and significant effectiveness. It enriches training data by simulating real-life acoustic variations, enabling deep neural…

Sound · Computer Science 2024-02-07 Zhenyu Zhou , Junhui Chen , Namin Wang , Lantian Li , Dong Wang

Generative adversarial networks, which can generate metasurfaces based on a training set of high performance device layouts, have the potential to significantly reduce the computational cost of the metasurface design process. However, basic…

Computational Physics · Physics 2019-12-03 Fufang Wen , Jiaqi Jiang , Jonathan A. Fan

Tabular data is critical across diverse domains, yet high-quality datasets remain scarce due to privacy concerns and the cost of collection. Contemporary approaches adopt large language models (LLMs) for tabular augmentation, but exhibit…

Machine Learning · Computer Science 2025-07-28 Shuo Yang , Zheyu Zhang , Bardh Prenkaj , Gjergji Kasneci

We propose a novel algorithm for data augmentation in nonlinear over-parametrized regression. Our data augmentation algorithm borrows from the literature on causality and extends the recently proposed Anchor regression (AR) method for data…

Machine Learning · Computer Science 2023-11-29 Nora Schneider , Shirin Goshtasbpour , Fernando Perez-Cruz

Out-of-distribution generalization can be categorized into two types: common perturbations arising from natural variations in the real world and adversarial perturbations that are intentionally crafted to deceive neural networks. While deep…

Computer Vision and Pattern Recognition · Computer Science 2024-08-06 Fatemeh Amerehi , Patrick Healy

Pioneering advancements in artificial intelligence, especially in genAI, have enabled significant possibilities for content creation, but also led to widespread misinformation and false content. The growing sophistication and realism of…

Artificial Intelligence · Computer Science 2024-11-14 Dinesh Srivasthav P , Badri Narayan Subudhi

Adversarial machine learning is a well-studied field of research where an adversary causes predictable errors in a machine learning algorithm through precise manipulation of the input. Numerous techniques have been proposed to harden…

Computer Vision and Pattern Recognition · Computer Science 2020-03-31 Pratik Vaishnavi , Kevin Eykholt , Atul Prakash , Amir Rahmati