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In this paper we introduce Feature Gradients, a gradient-based search algorithm for feature selection. Our approach extends a recent result on the estimation of learnability in the sublinear data regime by showing that the calculation can…

机器学习 · 统计学 2019-08-29 Rishit Sheth , Nicolo Fusi

Security analysts and administrators face a lot of challenges to detect and prevent network intrusions in their organizations, and to prevent network breaches, detecting the breach on time is crucial. Challenges arise while detecting…

密码学与安全 · 计算机科学 2019-10-04 Shisrut Rawat , Aishwarya Srinivasan , Vinayakumar R

Events generated by the Dynamic Vision Sensor (DVS) are generally stored and processed in two-dimensional data structures whose memory complexity and energy-per-event scale proportionately with increasing sensor dimensions. In this paper,…

图像与视频处理 · 电气工程与系统科学 2023-05-01 Pradeep Kumar Gopalakrishnan , Chip-Hong Chang , Arindam Basu

Input features play a crucial role in DNN-based recommender systems with thousands of categorical and continuous fields from users, items, contexts, and interactions. Noisy features and inappropriate embedding dimension assignments can…

信息检索 · 计算机科学 2023-11-14 Yao Yao , Bin Liu , Haoxun He , Dakui Sheng , Ke Wang , Li Xiao , Huanhuan Cao

Reducing sensor requirements while keeping optimal control performance is crucial to many industrial control applications to achieve robust, low-cost, and computation-efficient controllers. However, existing feature selection solutions for…

机器学习 · 计算机科学 2022-06-23 Jiawen Wei , Fangyuan Wang , Wanxin Zeng , Wenwei Lin , Ning Gui

Internet of things (IoT) has been playing an important role in many sectors, such as smart cities, smart agriculture, smart healthcare, and smart manufacturing. However, IoT devices are highly vulnerable to cyber-attacks, which may result…

密码学与安全 · 计算机科学 2023-07-06 Vu-Duc Ngo , Tuan-Cuong Vuong , Thien Van Luong , Hung Tran

Federated Learning (FL) enables multiple resource-constrained edge devices with varying levels of heterogeneity to collaboratively train a global model. However, devices with limited capacity can create bottlenecks and slow down model…

机器学习 · 计算机科学 2025-04-08 Afsaneh Mahanipour , Hana Khamfroush

Unseen noise signal which is not considered in a model training process is difficult to anticipate and would lead to performance degradation. Various methods have been investigated to mitigate unseen noise. In our previous work, an…

音频与语音处理 · 电气工程与系统科学 2022-10-24 Donghyeon Kim , Gwantae Kim , Bokyeung Lee , Jeong-gi Kwak , David K. Han , Hanseok Ko

Due to the size and nature of intrusion detection datasets, intrusion detection systems (IDS) typically take high computational complexity to examine features of data and identify intrusive patterns. Data preprocessing techniques such as…

密码学与安全 · 计算机科学 2020-09-29 Mubarak Albarka Umar , Chen Zhanfang , Yan Liu

Feature selection with specific multivariate performance measures is the key to the success of many applications, such as image retrieval and text classification. The existing feature selection methods are usually designed for…

机器学习 · 计算机科学 2015-03-19 Qi Mao , Ivor W. Tsang

High-dimensional reinforcement learning(RL) faces challenges with complex calculations and low sample efficiency in large state-action spaces. Q-learning algorithms struggle particularly with the curse of dimensionality, where the number of…

机器学习 · 计算机科学 2026-04-09 Junyi Wu , Dan Li

Deep convolutional neural networks (CNNs) have been intensively used for multi-class segmentation of data from different modalities and achieved state-of-the-art performances. However, a common problem when dealing with large, high…

计算机视觉与模式识别 · 计算机科学 2018-04-13 Chengjia Wang , Tom MacGillivray , Gillian Macnaught , Guang Yang , David Newby

Event cameras offer high temporal resolution and power efficiency, making them well-suited for edge AI applications. However, their high event rates present challenges for data transmission and processing. Subsampling methods provide a…

计算机视觉与模式识别 · 计算机科学 2025-05-28 Hesam Araghi , Jan van Gemert , Nergis Tomen

Feature subset selection, as a special case of the general subset selection problem, has been the topic of a considerable number of studies due to the growing importance of data-mining applications. In the feature subset selection problem…

机器学习 · 计算机科学 2014-11-13 Tofigh Naghibi , Sarah Hoffmann , Beat Pfister

Online power system event identification and classification is crucial to enhancing the reliability of transmission systems. In this paper, we develop a deep neural network (DNN) based approach to identify and classify power system events…

机器学习 · 计算机科学 2021-04-30 Jie Shi , Brandon Foggo , Nanpeng Yu

Feature selection is one of the most prominent learning tasks, especially in high-dimensional datasets in which the goal is to understand the mechanisms that underly the learning dataset. However most of them typically deliver just a flat…

机器学习 · 计算机科学 2012-09-06 Jun Wang , Alexandros Kalousis

For classification problems, feature extraction is a crucial process which aims to find a suitable data representation that increases the performance of the machine learning algorithm. According to the curse of dimensionality theorem, the…

机器学习 · 计算机科学 2010-10-12 Ilknur Icke , Andrew Rosenberg

While the use of deep neural networks has significantly boosted speaker recognition performance, it is still challenging to separate speakers in poor acoustic environments. To improve robustness of speaker recognition system performance in…

音频与语音处理 · 电气工程与系统科学 2020-05-19 Yanpei Shi , Qiang Huang , Thomas Hain

A plethora of research advances have emerged in the fields of optics and photonics that benefit from harnessing the power of machine learning. Specifically, there has been a revival of interest in optical computing hardware, due to its…

神经与进化计算 · 计算机科学 2021-01-12 Md Sadman Sakib Rahman , Jingxi Li , Deniz Mengu , Yair Rivenson , Aydogan Ozcan

Quality-Diversity (QD) algorithms are a new type of Evolutionary Algorithms (EAs), aiming to find a set of high-performing, yet diverse solutions. They have found many successful applications in reinforcement learning and robotics, helping…

神经与进化计算 · 计算机科学 2024-05-07 Chao Qian , Ke Xue , Ren-Jian Wang
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