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Data augmentation (DA) is a crucial technique for enhancing the sample efficiency of visual reinforcement learning (RL) algorithms. Notably, employing simple observation transformations alone can yield outstanding performance without extra…

机器学习 · 计算机科学 2023-10-30 Guozheng Ma , Linrui Zhang , Haoyu Wang , Lu Li , Zilin Wang , Zhen Wang , Li Shen , Xueqian Wang , 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…

统计方法学 · 统计学 2020-05-26 Hyungsuk Tak , Kisung You , Sujit K. Ghosh , Bingyue Su , Joseph Kelly

Deep neural networks have emerged as very successful tools for image restoration and reconstruction tasks. These networks are often trained end-to-end to directly reconstruct an image from a noisy or corrupted measurement of that image. To…

图像与视频处理 · 电气工程与系统科学 2021-06-30 Zalan Fabian , Reinhard Heckel , Mahdi Soltanolkotabi

Machine learning (ML) on tabular data is ubiquitous, yet obtaining abundant high-quality tabular data for model training remains a significant obstacle. Numerous works have focused on tabular data augmentation (TDA) to enhance the original…

机器学习 · 计算机科学 2024-08-01 Lingxi Cui , Huan Li , Ke Chen , Lidan Shou , Gang Chen

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

Deep learning has brought significant advancements to X-ray Computed Tomography (CT) reconstruction, offering solutions to challenges arising from modern imaging technologies. These developments benefit from methods that combine classical…

机器学习 · 计算机科学 2025-11-12 Linda-Sophie Schneider , Yipeng Sun , Chengze Ye , Markus Michen , Andreas Maier

Deep neural networks (DNNs) often rely on massive labelled data for training, which is inaccessible in many applications. Data augmentation (DA) tackles data scarcity by creating new labelled data from available ones. Different DA methods…

神经与进化计算 · 计算机科学 2022-05-31 Binyan Hu , Yu Sun , A. K. Qin

In this work, we shed light on different data augmentation techniques commonly used in Light Detection and Ranging (LiDAR) based 3D Object Detection. For the bulk of our experiments, we utilize the well known PointPillars pipeline and the…

计算机视觉与模式识别 · 计算机科学 2022-08-01 Martin Hahner , Dengxin Dai , Alexander Liniger , Luc Van Gool

Digital Pre-Distortion (DPD) enhances signal quality in wideband RF power amplifiers (PAs). As signal bandwidths expand in modern radio systems, DPD's energy consumption increasingly impacts overall system efficiency. Deep Neural Networks…

信号处理 · 电气工程与系统科学 2024-04-25 Yizhuo Wu , Ang Li , Mohammadreza Beikmirza , Gagan Deep Singh , Qinyu Chen , Leo C. N. de Vreede , Morteza Alavi , Chang Gao

Data augmentation is widely used to train deep learning models to address data scarcity. However, traditional data augmentation (TDA) typically relies on simple geometric transformation, such as random rotation and rescaling, resulting in…

计算机视觉与模式识别 · 计算机科学 2025-08-27 Dekai Zhu , Stefan Gavranovic , Flavien Boussuge , Benjamin Busam , Slobodan Ilic

We propose the use of fractals as a means of efficient data augmentation. Specifically, we employ plasma fractals for adapting global image augmentation transformations into continuous local transforms. We formulate the diamond square…

计算机视觉与模式识别 · 计算机科学 2022-04-11 Anguelos Nicolaou , Vincent Christlein , Edgar Riba , Jian Shi , Georg Vogeler , Mathias Seuret

The real-time segmentation of drivable areas plays a vital role in accomplishing autonomous perception in cars. Recently there have been some rapid strides in the development of image segmentation models using deep learning. However, most…

计算机视觉与模式识别 · 计算机科学 2023-05-05 Srinjoy Bhuiya , Ayushman Kumar , Sankalok Sen

We investigate the efficacy of data augmentations to close the domain gap in spaceborne computer vision, crucial for autonomous operations like on-orbit servicing. As the use of computer vision in space increases, challenges such as hostile…

计算机视觉与模式识别 · 计算机科学 2024-10-22 Maximilian Ulmer , Leonard Klüpfel , Maximilian Durner , Rudolph Triebel

Electron ptychography has recently achieved unprecedented resolution, offering valuable insights across diverse material systems, including in three dimensions. However, high-quality ptychographic reconstruction is computationally expensive…

材料科学 · 物理学 2025-08-07 Chia-Hao Lee , Steven E. Zeltmann , Dasol Yoon , Desheng Ma , David A. Muller

Data augmentation (DA) is ubiquitously used in training of Automatic Speech Recognition (ASR) models. DA offers increased data variability, robustness and generalization against different acoustic distortions. Recently, personalization of…

音频与语音处理 · 电气工程与系统科学 2025-01-20 Pablo Peso Parada , Spyros Fontalis , Md Asif Jalal , Karthikeyan Saravanan , Anastasios Drosou , Mete Ozay , Gil Ho Lee , Jungin Lee , Seokyeong Jung

Data augmentation is a key technique for addressing the challenge of limited datasets, which have become a major component in the training procedures of image processing. Techniques such as geometric transformations and color space…

计算机视觉与模式识别 · 计算机科学 2024-05-08 Tanaz Ghahremani , Mohammad Hoseyni , Mohammad Javad Ahmadi , Pouria Mehrabi , Amirhossein Nikoofard

Data augmentation (DA) is a key factor in medical image analysis, such as in prostate cancer (PCa) detection on magnetic resonance images. State-of-the-art computer-aided diagnosis systems still rely on simplistic spatial transformations to…

Multilinear Discriminant Analysis (MDA) is a powerful dimension reduction method specifically formulated to deal with tensor data. Precisely, the goal of MDA is to find mode-specific projections that optimally separate tensor data from…

数值分析 · 数学 2022-03-03 F. Dufrenois , A. El Ichi , K. Jbilou

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 (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…

声音 · 计算机科学 2024-02-07 Zhenyu Zhou , Junhui Chen , Namin Wang , Lantian Li , Dong Wang