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Automatic speech recognition (ASR) allows a natural and intuitive interface for robotic educational applications for children. However there are a number of challenges to overcome to allow such an interface to operate robustly in realistic…

Making calibrated online predictions is a central challenge in modern AI systems. Much of the existing literature focuses on fully adversarial environments where outcomes may be arbitrary, leading to conservative algorithms that can perform…

机器学习 · 计算机科学 2026-05-25 Junyan Liu , Haipeng Luo , Lillian J. Ratliff

This paper introduces Attentive Implicit Representation Networks (AIR-Nets), a simple, but highly effective architecture for 3D reconstruction from point clouds. Since representing 3D shapes in a local and modular fashion increases…

计算机视觉与模式识别 · 计算机科学 2021-10-25 Simon Giebenhain , Bastian Goldlücke

With the growing connectivity demands, Unmanned Aerial Vehicles (UAVs) have emerged as a prominent component in the deployment of Next Generation On-demand Wireless Networks. However, current UAV positioning solutions typically neglect the…

网络与互联网体系结构 · 计算机科学 2023-10-12 Gabriella Pantaleão , Rúben Queirós , Hélder Fontes , Rui Campos

Real world applications of stereo depth estimation require models that are robust to dynamic variations in the environment. Even though deep learning based stereo methods are successful, they often fail to generalize to unseen variations in…

计算机视觉与模式识别 · 计算机科学 2019-08-09 Alessio Tonioni , Oscar Rahnama , Thomas Joy , Luigi Di Stefano , Thalaiyasingam Ajanthan , Philip H. S. Torr

The use of spatial information with multiple microphones can improve far-field automatic speech recognition (ASR) accuracy. However, conventional microphone array techniques degrade speech enhancement performance when there is an array…

音频与语音处理 · 电气工程与系统科学 2021-12-23 Kenichi Kumatani , Minhua Wu , Shiva Sundaram , Nikko Strom , Bjorn Hoffmeister

Acoustical behavior of a room for a given position of microphone and sound source is usually described using the room impulse response. If we rely on the standard uniform sampling, the estimation of room impulse response for arbitrary…

音频与语音处理 · 电气工程与系统科学 2018-02-19 Helena Peić Tukuljac , Thach Pham Vu , Hervé Lissek , Pierre Vandergheynst

The estimation of non-Gaussian measurement noise models is a significant challenge across various fields. In practical applications, it often faces challenges due to the large number of parameters and high computational complexity. This…

系统与控制 · 电气工程与系统科学 2023-09-25 Zuxuan Zhang , Gang Wang , Jiacheng He , Shan Zhong

We study the problem of learning association between face and voice, which is gaining interest in the computer vision community lately. Prior works adopt pairwise or triplet loss formulations to learn an embedding space amenable for…

计算机视觉与模式识别 · 计算机科学 2021-12-21 Muhammad Saad Saeed , Muhammad Haris Khan , Shah Nawaz , Muhammad Haroon Yousaf , Alessio Del Bue

An incremental/online state dynamic learning method is proposed for identification of the nonlinear Gaussian state space models. The method embeds the stochastic variational sparse Gaussian process as the probabilistic state dynamic model…

机器学习 · 统计学 2016-08-31 Vahid Bastani , Lucio Marcenaro , Carlo Regazzoni

An environment acoustic model represents how sound is transformed by the physical characteristics of an indoor environment, for any given source/receiver location. Traditional methods for constructing acoustic models involve expensive and…

计算机视觉与模式识别 · 计算机科学 2024-04-26 Arjun Somayazulu , Sagnik Majumder , Changan Chen , Kristen Grauman

Deep neural network (DNN)-based speech enhancement algorithms in microphone arrays have now proven to be efficient solutions to speech understanding and speech recognition in noisy environments. However, in the context of ad-hoc microphone…

信号处理 · 电气工程与系统科学 2020-11-04 Nicolas Furnon , Romain Serizel , Irina Illina , Slim Essid

Automatic Speech Recognition (ASR) can be used as the assistance of speech communication between pilots and air-traffic controllers. Its application can significantly reduce the complexity of the task and increase the reliability of…

计算与语言 · 计算机科学 2021-08-30 Iuliia Nigmatulina , Rudolf Braun , Juan Zuluaga-Gomez , Petr Motlicek

We present an adaptive smoother for linear state-space models with unknown process and measurement noise covariances. The proposed method utilizes the variational Bayes technique to perform approximate inference. The resulting smoother is…

系统与控制 · 计算机科学 2023-07-19 Tohid Ardeshiri , Emre Özkan , Umut Orguner , Fredrik Gustafsson

Over the air computation (AirComp) is a promising technique that addresses big data collection and fast wireless data aggregation. However, in a network where wireless communication and AirComp coexist, mutual interference becomes a…

信号处理 · 电气工程与系统科学 2025-07-08 Xunqiang Lan , Xiao Tang , Ruonan Zhang , Bin Li , Yichen Wang , Dusit Niyato , Zhu Han

In the era of the Internet of Things and massive connectivity, many engineering applications, such as sensor fusion and federated edge learning, rely on efficient data aggregation from geographically distributed users over wireless…

信号处理 · 电气工程与系统科学 2025-12-02 David Nordlund , Luis Maßny , Antonia Wachter-Zeh , Erik G. Larsson , Zheng Chen

The Kalman filter is the most powerful tool for estimation of the states of a linear Gaussian system. In addition, using this method, an expectation maximization algorithm can be used to estimate the parameters of the model. However, this…

统计计算 · 统计学 2020-06-01 Tsuyoshi Ishizone , Kazuyuki Nakamura

This letter introduces a novel unmanned aerial vehicle (UAV)-intelligent reflecting surface (IRS) structure into near-field localization systems to enhance the design flexibility of IRS, thereby obtaining additional performance gains.…

信号处理 · 电气工程与系统科学 2024-04-25 Hanfu Zhang , Yidan Mei , Erwu Liu , Rui Wang

We propose a novel method for generating scene-aware training data for far-field automatic speech recognition. We use a deep learning-based estimator to non-intrusively compute the sub-band reverberation time of an environment from its…

音频与语音处理 · 电气工程与系统科学 2021-04-23 Zhenyu Tang , Dinesh Manocha

In the coming years, usage of Unmanned Aerial Vehicles (UAVs) is expected to grow tremendously. Maintaining security of UAVs under cyber attacks is an important yet challenging task, as these attacks are often erratic and difficult to…

系统与控制 · 计算机科学 2016-06-15 Qie Hu , Young Hwan Chang , Claire J. Tomlin
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