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In theory, active control could be used to reduce the unwanted noise reflections from surfaces such as a submarine hull or the walls of an anechoic room. In the recent years, a real-time algorithm has been developed to this effect at the…

经典物理 · 物理学 2009-11-25 Emmanuel Friot , Alexandre Gintz

The goal of this paper is to assess the impact of noise in 3D camera-captured data by modeling the noise of the imaging process and applying it on synthetic training data. We compiled a dataset of specifically constructed scenes to obtain a…

计算机视觉与模式识别 · 计算机科学 2024-02-27 Katarína Osvaldová , Lukáš Gajdošech , Viktor Kocur , Martin Madaras

Discrete diffusion models are a class of generative models that construct sequences by progressively denoising samples from a categorical noise distribution. Beyond their rapidly growing ability to generate coherent natural language, these…

计算与语言 · 计算机科学 2025-12-11 Michael Cardei , Jacob K Christopher , Thomas Hartvigsen , Bhavya Kailkhura , Ferdinando Fioretto

Audio adversarial examples are audio files that have been manipulated to fool an automatic speech recognition (ASR) system, while still sounding benign to a human listener. Most methods to generate such samples are based on a two-step…

声音 · 计算机科学 2023-10-06 Armin Ettenhofer , Jan-Philipp Schulze , Karla Pizzi

We analyze the robust character against non-static noise of clock transitions implemented via a method of continuous dynamical decoupling (CDD) in a hyperfine Zeeman multiplet in ^{87}\textrm{Rb}. The emergence of features specific to the…

量子物理 · 物理学 2023-11-16 J. M. Gomez Llorente , I. Gomez-Ojeda , J. Plata

Automatic Speech Recognition (ASR) systems must be robust to the myriad types of noises present in real-world environments including environmental noise, room impulse response, special effects as well as attacks by malicious actors…

声音 · 计算机科学 2024-09-26 Muhammad A. Shah , Bhiksha Raj

In various Computer Vision and Signal Processing applications, noise is typically perceived as a drawback of the image capturing system that ought to be removed. We, on the other hand, claim that image noise, just as texture, is important…

计算机视觉与模式识别 · 计算机科学 2018-03-28 Renata Khasanova , Jan Wassenberg , Jyrki Alakuijala

The estimation of reverberation time from real-world signals plays a central role in a wide range of applications. In many scenarios, acoustic conditions change over time which in turn requires the estimate to be updated continuously.…

音频与语音处理 · 电气工程与系统科学 2022-10-11 Philipp Götz , Cagdas Tuna , Andreas Walther , Emanuël A. P. Habets

Neural speech codecs have revolutionized speech coding, achieving higher compression while preserving audio fidelity. Beyond compression, they have emerged as tokenization strategies, enabling language modeling on speech and driving…

音频与语音处理 · 电气工程与系统科学 2025-06-02 Wei-Cheng Tseng , David Harwath

We propose a spatial diffuseness feature for deep neural network (DNN)-based automatic speech recognition to improve recognition accuracy in reverberant and noisy environments. The feature is computed in real-time from multiple microphone…

计算与语言 · 计算机科学 2015-09-02 Andreas Schwarz , Christian Huemmer , Roland Maas , Walter Kellermann

Despite rapid advances in speech recognition, current models remain brittle to superficial perturbations to their inputs. Small amounts of noise can destroy the performance of an otherwise state-of-the-art model. To harden models against…

音频与语音处理 · 电气工程与系统科学 2018-07-19 Davis Liang , Zhiheng Huang , Zachary C. Lipton

Stochastic resonance describes the utility of noise in improving the detectability of weak signals in certain types of systems. It has been observed widely in natural and engineered settings, but its utility in image classification with…

计算机视觉与模式识别 · 计算机科学 2025-02-21 Siegfried Ludwig

Existing prescriptive compression strategies used in hearing aid fitting are designed based on gain averages from a group of users which are not necessarily optimal for a specific user. Nearly half of hearing aid users prefer settings that…

音频与语音处理 · 电气工程与系统科学 2020-07-02 Nasim Alamdari , Edward Lobarinas , Nasser Kehtarnavaz

We investigate the effect of noise strength on the macroscopic ordering dynamics of systems with symmetric absorbing states. Using an explicit stochastic microscopic model, we present evidence for a phase transition in the coarsening…

统计力学 · 物理学 2013-05-20 D. I. Russell , R. A. Blythe

Recent interest has developed around the problem of dynamic compressed sensing, or the recovery of time-varying, sparse signals from limited observations. In this paper, we study how the dynamics of recurrent networks, formulated as general…

最优化与控制 · 数学 2015-11-09 MohammadMehdi Kafashan , Anirban Nandi , ShiNung Ching

Neural codecs have demonstrated strong performance in high-fidelity compression of audio signals at low bitrates. The token-based representations produced by these codecs have proven particularly useful for generative modeling. While much…

音频与语音处理 · 电气工程与系统科学 2025-04-16 Patrick O'Reilly , Prem Seetharaman , Jiaqi Su , Zeyu Jin , Bryan Pardo

This thesis addresses the technical challenges of applying machine learning to understand and interpret medical audio signals. The sounds of our lungs, heart, and voice convey vital information about our health. Yet, in contemporary…

声音 · 计算机科学 2025-06-18 Charles C Onu

Deep Reinforcement Learning is quickly becoming a popular method for training autonomous Unmanned Aerial Vehicles (UAVs). Our work analyzes the effects of measurement uncertainty on the performance of Deep Reinforcement Learning (DRL) based…

机器人学 · 计算机科学 2023-03-14 Bhaskar Joshi , Dhruv Kapur , Harikumar Kandath

This paper considers a distributed detection setup where agents in a network want to detect a time-varying signal embedded in temporally correlated noise. The signal of interest is the impulse response of an ARMA (auto-regressive moving…

信号处理 · 电气工程与系统科学 2023-04-17 João Domingos , João Xavier

Image-based diagnostic decision support systems (DDSS) utilizing deep learning have the potential to optimize clinical workflows. However, developing DDSS requires extensive datasets with expert annotations and is therefore costly.…

计算机视觉与模式识别 · 计算机科学 2024-10-29 Helen Schneider , Sebastian Nowak , Aditya Parikh , Yannik C. Layer , Maike Theis , Wolfgang Block , Alois M. Sprinkart , Ulrike Attenberger , Rafet Sifa