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In this work, we study the dynamics of an infinite array of nonlinear dimer oscillators which are linearly coupled as in the classical model of Su, Schrieffer and Heeger (SSH). The ratio of in-cell and out-of-cell couplings of the SSH model…

Pattern Formation and Solitons · Physics 2023-06-07 A. Hofstrand , H. Li , M. I. Weinstein

The olfactory system employs responses of an ensemble of odorant receptors (ORs) to sense molecules and to generate olfactory percepts. Here we hypothesized that ORs can be viewed as 3D spatial filters that extract molecular features…

Machine Learning · Computer Science 2024-12-13 Sergey Shuvaev , Khue Tran , Khristina Samoilova , Cyrille Mascart , Alexei Koulakov

We report the experimental observation of discrete breathers in a one-dimensional diatomic granular crystal composed of compressed elastic beads that interact via Hertzian contact. We first characterize their effective linear spectrum both…

Pattern Formation and Solitons · Physics 2015-05-14 N. Boechler , G. Theocharis , S. Job , P. G. Kevrekidis , M. A. Porter , C. Daraio

Breathers may be mobile close to an instability threshold where the frequency of a pinning mode vanishes. The translation mode is a marginal mode that is a solution of the linearized (Hill) equation of the breather which grows linearly in…

Condensed Matter · Physics 2009-10-30 S. Aubry , T. Cretegny

Auscultation of respiratory sounds is the primary tool for screening and diagnosing lung diseases. Automated analysis, coupled with digital stethoscopes, can play a crucial role in enabling tele-screening of fatal lung diseases. Deep neural…

Sound · Computer Science 2021-05-10 Siddhartha Gairola , Francis Tom , Nipun Kwatra , Mohit Jain

We investigate densely connected convolutional networks (DenseNets) and their extension with domain adversarial training for noise robust speech recognition. DenseNets are very deep, compact convolutional neural networks which have…

Computation and Language · Computer Science 2021-12-21 Chia Yu Li , Ngoc Thang Vu

This paper presents a novel machine-hearing system that exploits deep neural networks (DNNs) and head movements for robust binaural localisation of multiple sources in reverberant environments. DNNs are used to learn the relationship…

Audio and Speech Processing · Electrical Eng. & Systems 2019-04-08 Ning Ma , Tobias May , Guy J. Brown

In this paper, we present a system that employs a wearable acoustic sensor and a deep convolutional neural network for detecting coughs. We evaluate the performance of our system on 14 healthy volunteers and compare it to that of other…

Neural and Evolutionary Computing · Computer Science 2015-09-09 Justice Amoh , Kofi Odame

Neural networks are currently transforming the field of computer algorithms, yet their emulation on current computing substrates is highly inefficient. Reservoir computing was successfully implemented on a large variety of substrates and…

Emerging Technologies · Computer Science 2019-08-07 Bogdan Penkovsky , Xavier Porte , Maxime Jacquot , Laurent Larger , Daniel Brunner

We present a theoretical study of linear wave scattering in one-dimensional nonlinear lattices by intrinsic spatially localized dynamic excitations or discrete breathers. These states appear in various nonlinear systems and present a…

Condensed Matter · Physics 2009-11-07 S. Flach , A. E. Miroshnichenko , M. V. Fistul

In the last few years, deep learning has led to very good performance on a variety of problems, such as visual recognition, speech recognition and natural language processing. Among different types of deep neural networks, convolutional…

Computer Vision and Pattern Recognition · Computer Science 2017-10-20 Jiuxiang Gu , Zhenhua Wang , Jason Kuen , Lianyang Ma , Amir Shahroudy , Bing Shuai , Ting Liu , Xingxing Wang , Li Wang , Gang Wang , Jianfei Cai , Tsuhan Chen

Nowadays, deep learning can be employed to a wide ranges of fields including medicine, engineering, etc. In deep learning, Convolutional Neural Network (CNN) is extensively used in the pattern and sequence recognition, video analysis,…

Computer Vision and Pattern Recognition · Computer Science 2019-02-06 Rezoana Bente Arif , Md. Abu Bakr Siddique , Mohammad Mahmudur Rahman Khan , Mahjabin Rahman Oishe

Nonlinearity and disorder are key players in vibrational lattice dynamics, responsible for localization and delocalization phenomena. $q$-Breathers -- periodic orbits in nonlinear lattices, exponentially localized in the reciprocal linear…

Pattern Formation and Solitons · Physics 2009-11-13 M. V. Ivanchenko

In this paper, we examine the strength of deep learning technique for diagnosing lung cancer on medical image analysis problem. Convolutional neural networks (CNNs) models become popular among the pattern recognition and computer vision…

Computer Vision and Pattern Recognition · Computer Science 2018-04-24 Mehdi Fatan Serj , Bahram Lavi , Gabriela Hoff , Domenec Puig Valls

Intelligent systems are transforming the world, as well as our healthcare system. We propose a deep learning-based cough sound classification model that can distinguish between children with healthy versus pathological coughs such as…

Auditory models are commonly used as feature extractors for automatic speech-recognition systems or as front-ends for robotics, machine-hearing and hearing-aid applications. Although auditory models can capture the biophysical and nonlinear…

Audio and Speech Processing · Electrical Eng. & Systems 2021-02-09 Deepak Baby , Arthur Van Den Broucke , Sarah Verhulst

This paper argues that training GANs on local and non-local dependencies in speech data offers insights into how deep neural networks discretize continuous data and how symbolic-like rule-based morphophonological processes emerge in a deep…

Computation and Language · Computer Science 2021-09-14 Gašper Beguš

Speech dereverberation is an important stage in many speech technology applications. Recent work in this area has been dominated by deep neural network models. Temporal convolutional networks (TCNs) are deep learning models that have been…

Sound · Computer Science 2022-07-26 William Ravenscroft , Stefan Goetze , Thomas Hain

Speaker recognition is the process of identifying a speaker based on the voice. The technology has attracted more attention with the recent increase in popularity of smart voice assistants, such as Amazon Alexa. In the past few years,…

Sound · Computer Science 2021-05-21 Haici Yang , Hongda Mao , Ruirui Li , Chelsea J. T. Ju , Oguz Elibol

We introduce a new beam search decoder that is fully differentiable, making it possible to optimize at training time through the inference procedure. Our decoder allows us to combine models which operate at different granularities (e.g.…

Computation and Language · Computer Science 2019-02-19 Ronan Collobert , Awni Hannun , Gabriel Synnaeve