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Data augmentation is a popular technique which helps improve generalization capabilities of deep neural networks. It plays a pivotal role in remote-sensing scenarios in which the amount of high-quality ground truth data is limited, and…

计算机视觉与模式识别 · 计算机科学 2019-03-14 Jakub Nalepa , Michal Myller , Michal Kawulok

Deep neural networks (DNNs) are observed to be successful in pattern classification. However, high classification performances of DNNs are related to their large training sets. Unfortunately, in the literature, the datasets used to classify…

机器学习 · 计算机科学 2021-03-23 Zumray Dokur , Tamer Olmez

The clinical deployment of deep learning models for high-stakes tasks such as diabetic retinopathy (DR) grading requires demonstrable reliability. While models achieve high accuracy, their clinical utility is limited by a lack of robust…

计算机视觉与模式识别 · 计算机科学 2025-08-21 Rizwan Ahamed , Annahita Amireskandari , Joel Palko , Carol Laxson , Binod Bhattarai , Prashnna Gyawali

Data Augmentation (DA) is a technique to increase the quantity and diversity of the training data, and by that alleviate overfitting and improve generalisation. However, standard DA produces synthetic data for augmentation with limited…

计算机视觉与模式识别 · 计算机科学 2023-07-24 Lorenzo Tronchin , Minh H. Vu , Paolo Soda , Tommy Löfstedt

Improving the accuracy and robustness of deep neural nets (DNNs) and adapting them to small training data are primary tasks in deep learning research. In this paper, we replace the output activation function of DNNs, typically the…

机器学习 · 计算机科学 2019-07-17 Bao Wang , Stanley J. Osher

Yes, it can. Data augmentation is perhaps the oldest preprocessing step in computer vision literature. Almost every computer vision model trained on imaging data uses some form of augmentation. In this paper, we use the inter-vertebral disk…

计算机视觉与模式识别 · 计算机科学 2019-09-10 Bilwaj Gaonkar , Matthew Edwards , Alex Bui , Matthew Brown , Luke Macyszyn

Purpose: To accelerate brain 3D MRI scans by using a deep learning method for reconstructing images from highly-undersampled multi-coil k-space data Methods: DL-Speed, an unrolled optimization architecture with dense skip-layer connections,…

Inspired by SpecAugment -- a data augmentation method for end-to-end ASR systems, we propose a frame-level SpecAugment method (f-SpecAugment) to improve the performance of deep convolutional neural networks (CNN) for hybrid HMM based ASR…

计算与语言 · 计算机科学 2020-12-09 Xinwei Li , Yuanyuan Zhang , Xiaodan Zhuang , Daben Liu

Data augmentation (DA) plays a critical role in improving the generalization of deep learning models. Recent works on automatically searching for DA policies from data have achieved great success. However, existing automated DA methods…

计算机视觉与模式识别 · 计算机科学 2021-10-19 Shiqi Lin , Tao Yu , Ruoyu Feng , Xin Li , Xin Jin , Zhibo Chen

Data augmentation is a widely used and effective technique to improve the generalization performance of deep neural networks. Yet, despite often facing limited data availability when working with medical images, it is frequently…

图像与视频处理 · 电气工程与系统科学 2025-07-21 Adam Tupper , Christian Gagné

Convolutional Neural Networks (CNNs) achieve excellent computer-assisted diagnosis with sufficient annotated training data. However, most medical imaging datasets are small and fragmented. In this context, Generative Adversarial Networks…

图像与视频处理 · 电气工程与系统科学 2019-10-10 Changhee Han , Leonardo Rundo , Ryosuke Araki , Yudai Nagano , Yujiro Furukawa , Giancarlo Mauri , Hideki Nakayama , Hideaki Hayashi

Data augmentation is a key element of deep learning pipelines, as it informs the network during training about transformations of the input data that keep the label unchanged. Manually finding adequate augmentation methods and parameters…

机器学习 · 计算机科学 2022-02-09 Cédric Rommel , Thomas Moreau , Joseph Paillard , Alexandre Gramfort

In this paper, we present a novel method for dynamically expanding Convolutional Neural Networks (CNNs) during training, aimed at meeting the increasing demand for efficient and sustainable deep learning models. Our approach, drawing from…

计算机视觉与模式识别 · 计算机科学 2024-01-18 Blaise Appolinary , Alex Deaconu , Sophia Yang , Qingze , Li

Data augmentation has been widely used to improve generalizability of machine learning models. However, comparatively little work studies data augmentation for graphs. This is largely due to the complex, non-Euclidean structure of graphs,…

机器学习 · 计算机科学 2020-12-03 Tong Zhao , Yozen Liu , Leonardo Neves , Oliver Woodford , Meng Jiang , Neil Shah

In this paper, we explore and compare multiple solutions to the problem of data augmentation in image classification. Previous work has demonstrated the effectiveness of data augmentation through simple techniques, such as cropping,…

计算机视觉与模式识别 · 计算机科学 2017-12-14 Luis Perez , Jason Wang

Objective: This study aims at investigating a novel super resolution CBCT imaging technique with the dual-layer flat panel detector (DL-FPD). Approach: In DL-FPD based CBCT imaging, the low-energy and high-energy projections acquired from…

医学物理 · 物理学 2023-06-29 Jiongtao Zhu , Ting Su , Xin Zhang , Han Cui , Yuhang Tan , Hairong Zheng , Dong Liang , Jinchuan Guo , Yongshuai Ge

The standard approach to tackling computer vision problems is to train deep convolutional neural network (CNN) models using large-scale image datasets which are representative of the target task. However, in many scenarios, it is often…

计算机视觉与模式识别 · 计算机科学 2024-04-01 Alhassan Mumuni , Fuseini Mumuni , Nana Kobina Gerrar

The challenges of collecting medical data on neurological disorder diagnosis problems paved the way for learning methods with scarce number of samples. Due to this reason, one-shot learning still remains one of the most challenging and…

神经元与认知 · 定量生物学 2022-12-16 Oben Özgür , Arwa Rekik , Islem Rekik

This paper introduces a novel dual-region augmentation approach designed to reduce reliance on large-scale labeled datasets while improving model robustness and adaptability across diverse computer vision tasks, including source-free domain…

计算机视觉与模式识别 · 计算机科学 2025-06-04 Prasanna Reddy Pulakurthi , Majid Rabbani , Celso M. de Melo , Sohail A. Dianat , Raghuveer M. Rao

Considering efficiency, ultra-high-definition (UHD) low-light image restoration is extremely challenging. Existing methods based on Transformer architectures or high-dimensional complex convolutional neural networks often suffer from the…

图像与视频处理 · 电气工程与系统科学 2026-04-13 Xiaohan Wang , Chen Wu , Dawei Zhao , Guangwei Gao , Dianjie Lu , Guijuan Zhang , Linwei Fan , Xu Lu , Shuai Wu , Hang Wei , Zhuoran Zheng