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Our increasingly connected world continues to face an ever-growing amount of network-based attacks. Intrusion detection systems (IDS) are an essential security technology for detecting these attacks. Although numerous machine learning-based…

密码学与安全 · 计算机科学 2023-01-10 Caroline Strickland , Chandrika Saha , Muhammad Zakar , Sareh Nejad , Noshin Tasnim , Daniel Lizotte , Anwar Haque

With the ever increasing data deluge and the success of deep neural networks, the research of distributed deep learning has become pronounced. Two common approaches to achieve this distributed learning is synchronous and asynchronous weight…

机器学习 · 计算机科学 2022-04-29 Debasrita Chakraborty , Ashish Ghosh

Generative Adversarial Networks (GANs) have been shown to be powerful and flexible priors when solving inverse problems. One challenge of using them is overcoming representation error, the fundamental limitation of the network in…

机器学习 · 计算机科学 2022-04-12 Sean Gunn , Jorio Cocola , Paul Hand

Joint machine learning models that allow synthesizing and classifying data often offer uneven performance between those tasks or are unstable to train. In this work, we depart from a set of empirical observations that indicate the…

机器学习 · 计算机科学 2023-04-06 Kamil Deja , Tomasz Trzcinski , Jakub M. Tomczak

Adversarial training has been empirically proven to be one of the most effective and reliable defense methods against adversarial attacks. However, almost all existing studies about adversarial training are focused on balanced datasets,…

机器学习 · 计算机科学 2021-07-30 Wentao Wang , Han Xu , Xiaorui Liu , Yaxin Li , Bhavani Thuraisingham , Jiliang Tang

Scarcity of data and incremental learning of new tasks pose two major bottlenecks for many modern computer vision algorithms. The phenomenon of catastrophic forgetting, i.e., the model's inability to classify previously learned data after…

计算机视觉与模式识别 · 计算机科学 2023-09-06 Sanchar Palit , Biplab Banerjee , Subhasis Chaudhuri

Deep learning algorithms can fare poorly when the training dataset suffers from heavy class-imbalance but the testing criterion requires good generalization on less frequent classes. We design two novel methods to improve performance in…

机器学习 · 计算机科学 2019-10-29 Kaidi Cao , Colin Wei , Adrien Gaidon , Nikos Arechiga , Tengyu Ma

Churn prediction in credit cards, fraud detection in insurance, and loan default prediction are important analytical customer relationship management (ACRM) problems. Since frauds, churns and defaults happen less frequently, the datasets…

机器学习 · 计算机科学 2022-02-11 Prateek Kate , Vadlamani Ravi , Akhilesh Gangwar

Data imbalance in training data often leads to biased predictions from trained models, which in turn causes ethical and social issues. A straightforward solution is to carefully curate training data, but given the enormous scale of modern…

计算机视觉与模式识别 · 计算机科学 2024-04-26 Moon Ye-Bin , Nam Hyeon-Woo , Wonseok Choi , Nayeong Kim , Suha Kwak , Tae-Hyun Oh

Incomplete Multi-View Clustering aims to enhance clustering performance by using data from multiple modalities. Despite the fact that several approaches for studying this issue have been proposed, the following drawbacks still persist: 1)…

计算机视觉与模式识别 · 计算机科学 2022-11-24 Jiatai Wang , Zhiwei Xu , Xuewen Yang , Dongjin Guo , Limin Liu

Generative adversarial network (GAN) is among the most popular deep learning models for learning complex data distributions. However, training a GAN is known to be a challenging task. This is often attributed to the lack of correlation…

机器学习 · 计算机科学 2020-12-15 Sahil Sidheekh , Aroof Aimen , Vineet Madan , Narayanan C. Krishnan

The detection of cyber-attacks in computer networks is a crucial and ongoing research challenge. Machine learning-based attack classification offers a promising solution, as these models can be continuously updated with new data, enhancing…

密码学与安全 · 计算机科学 2024-08-30 Maximilian Wolf , Dieter Landes , Andreas Hotho , Daniel Schlör

Generative adversarial networks (GANs) have shown great success in applications such as image generation and inpainting. However, they typically require large datasets, which are often not available, especially in the context of prediction…

机器学习 · 计算机科学 2020-01-31 Daniel Stoller , Sebastian Ewert , Simon Dixon

One of the biggest issues facing the use of machine learning in medical imaging is the lack of availability of large, labelled datasets. The annotation of medical images is not only expensive and time consuming but also highly dependent on…

Many real-world applications reveal difficulties in learning classifiers from imbalanced data. The rising big data era has been witnessing more classification tasks with large-scale but extremely imbalance and low-quality datasets. Most of…

机器学习 · 计算机科学 2020-10-20 Zhining Liu , Wei Cao , Zhifeng Gao , Jiang Bian , Hechang Chen , Yi Chang , Tie-Yan Liu

For classification, the problem of class imbalance is well known and has been extensively studied. In this paper, we argue that imbalance in regression is an equally important problem which has so far been overlooked: Due to under- and…

机器学习 · 计算机科学 2024-02-20 Daniel Kowatsch , Nicolas M. Müller , Kilian Tscharke , Philip Sperl , Konstantin Bötinger

In recent years, image classification, as a core task in computer vision, relies on high-quality labelled data, which restricts the wide application of deep learning models in practical scenarios. To alleviate the problem of insufficient…

计算机视觉与模式识别 · 计算机科学 2025-05-27 Jiyu Hu , Haijiang Zeng , Zhen Tian

Biomedical image datasets can be imbalanced due to the rarity of targeted diseases. Generative Adversarial Networks play a key role in addressing this imbalance by enabling the generation of synthetic images to augment datasets. It is…

图像与视频处理 · 电气工程与系统科学 2026-02-12 Muhammad Muneeb Saad , Mubashir Husain Rehmani , Ruairi O'Reilly

Class imbalance in real-world data poses a common bottleneck for machine learning tasks, since achieving good generalization on under-represented examples is often challenging. Mitigation strategies, such as under or oversampling the data…

无序系统与神经网络 · 物理学 2025-02-03 Emanuele Loffredo , Mauro Pastore , Simona Cocco , Rémi Monasson

Active learning aims to optimize the dataset annotation process when resources are constrained. Most existing methods are designed for balanced datasets. Their practical applicability is limited by the fact that a majority of real-life…

机器学习 · 计算机科学 2022-02-02 Umang Aggarwal , Adrian Popescu , Céline Hudelot