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This article presents a method for improving a keyword spotter (KWS) algorithm in noisy environments. Although beamforming (BF) and adaptive noise cancellation (ANC) techniques are robust in some conditions, they may degrade the performance…

Modern magnetic sensor arrays conventionally utilize state of the art low power magnetometers such as parallel and orthogonal fluxgates. Low power fluxgates tend to have large Barkhausen jumps that appear as a dc jump in the fluxgate…

机器学习 · 计算机科学 2021-06-29 Roger Alimi , Amir Ivry , Elad Fisher , Eyal Weiss

Most dense retrieval models contain an implicit assumption: the training query-document pairs are exactly matched. Since it is expensive to annotate the corpus manually, training pairs in real-world applications are usually collected…

计算与语言 · 计算机科学 2023-11-08 Hang Zhang , Yeyun Gong , Xingwei He , Dayiheng Liu , Daya Guo , Jiancheng Lv , Jian Guo

We present a robust adaptive beamforming algorithm based on the worst-case criterion and the constrained constant modulus approach, which exploits the constant modulus property of the desired signal. Similarly to the existing worst-case…

信息论 · 计算机科学 2013-10-02 L. Landau , R. C. de Lamare , M. Haardt

This paper considers a single-trajectory system identification problem for linear systems under general nonlinear and/or time-varying policies with i.i.d. random excitation noises. The problem is motivated by safe learning-based control for…

最优化与控制 · 数学 2023-06-21 Yingying Li , Tianpeng Zhang , Subhro Das , Jeff Shamma , Na Li

Event-based sensors offer significant advantages over traditional frame-based cameras, especially in scenarios involving rapid motion or challenging lighting conditions. However, event data frequently suffers from considerable noise,…

计算机视觉与模式识别 · 计算机科学 2025-06-05 Marcin Kowalczyk , Kamil Jeziorek , Tomasz Kryjak

A user of Brain Computer Interface (BCI) system must be able to control external computer devices with brain activity. Although the proof-of-concept was given decades ago, the reliable translation of user intent into device control commands…

信号处理 · 电气工程与系统科学 2018-03-16 A. Banitalebi , S. K. Setarehdan , G. A. Hossein-Zadeh

The unscented transformation (UT) is an efficient method to solve the state estimation problem for a non-linear dynamic system, utilizing a derivative-free higher-order approximation by approximating a Gaussian distribution rather than…

机器学习 · 统计学 2016-08-29 Xi Liu , Badong Chen , Bin Xu , Zongze Wu , Paul Honeine

We study the classical problem of noisy constrained capacity in the case of the binary symmetric channel (BSC), namely, the capacity of a BSC whose inputs are sequences chosen from a constrained set. Motivated by a result of Ordentlich and…

概率论 · 数学 2009-08-10 Guangyue Han , Brian Marcus

In this contribution, we propose a kernel-based method for the identification of linear systems from noisy and incomplete input-output datasets. We model the impulse response of the system as a Gaussian process whose covariance matrix is…

系统与控制 · 计算机科学 2017-01-18 Riccardo Sven Risuleo , Giulio Bottegal , Håkan Hjalmarsson

We propose an adaptive optimisation approach for tuning stochastic model predictive control (MPC) hyper-parameters while jointly estimating probability distributions of the transition model parameters based on performance rewards. In…

机器人学 · 计算机科学 2022-06-02 Rel Guzman , Rafael Oliveira , Fabio Ramos

This paper addresses the one-bit consensus of controllable linear multi-agent systems (MASs) with communication noises. A consensus algorithm consisting of a communication protocol and a consensus controller is designed. The communication…

系统与控制 · 电气工程与系统科学 2025-03-14 Ru An , Ying Wang , Yanlong Zhao , Ji-Feng Zhang

The performance of supervised classification techniques often deteriorates when the data has noisy labels. Even the semi-supervised classification approaches have largely focused only on the problem of handling missing labels. Most of the…

机器学习 · 计算机科学 2022-05-05 Ashit Gupta , Anirudh Deodhar , Tathagata Mukherjee , Venkataramana Runkana

We study consistency of learning algorithms for a multi-class performance metric that is a non-decomposable function of the confusion matrix of a classifier and cannot be expressed as a sum of losses on individual data points; examples of…

机器学习 · 计算机科学 2015-01-05 Harish G. Ramaswamy , Harikrishna Narasimhan , Shivani Agarwal

Quantum machine learning is a rapidly growing field at the intersection of quantum computing and machine learning. In this work, we examine our quantum machine learning models, which are based on quantum support vector classification (QSVC)…

量子物理 · 物理学 2024-05-02 Teppei Suzuki , Takashi Hasebe , Tsubasa Miyazaki

Mixed noise, composed of white Gaussian noise (WGN) and impulsive noise (IN), appears in numerous communication scenarios and can severely degrade system performance. In this paper, we optimize the transmitted constellation under mixed…

信号处理 · 电气工程与系统科学 2025-09-09 Tianfu Qi , Jun Wang

Gait recognition aims to identify individuals by recognizing their walking patterns. However, an observation is made that most of the previous gait recognition methods degenerate significantly due to two memorization effects, namely…

计算机视觉与模式识别 · 计算机科学 2022-10-14 Weichen Yu , Hongyuan Yu , Yan Huang , Chunshui Cao , Liang Wang

Biological neural networks face a formidable task: performing reliable computations in the face of intrinsic stochasticity in individual neurons, imprecisely specified synaptic connectivity, and nonnegligible delays in synaptic…

神经元与认知 · 定量生物学 2020-06-26 Jonathan Kadmon , Jonathan Timcheck , Surya Ganguli

Compute-in-Memory (CiM), built upon non-volatile memory (NVM) devices, is promising for accelerating deep neural networks (DNNs) owing to its in-situ data processing capability and superior energy efficiency. Unfortunately, the well-trained…

机器学习 · 计算机科学 2023-08-01 Zheyu Yan , Yifan Qin , Wujie Wen , Xiaobo Sharon Hu , Yiyu Shi

In this paper, a new cooperation structure for spectrum sensing in cognitive radio networks is proposed which outperforms the existing commonly-used ones in terms of energy efficiency. The efficiency is achieved in the proposed design by…

信息论 · 计算机科学 2015-09-11 Younes Abdi , Tapani Ristaniemi