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Audio events are quite often overlapping in nature, and more prone to noise than visual signals. There has been increasing evidence for the superior performance of representations learned using sparse dictionaries for applications like…

Machine Learning · Computer Science 2017-12-05 Vaisakh Shaj , Puranjoy Bhattacharya

Hyperspectral signal reconstruction aims at recovering the original spectral input that produced a certain trichromatic (RGB) response from a capturing device or observer. Given the heavily underconstrained, non-linear nature of the…

Computer Vision and Pattern Recognition · Computer Science 2018-03-15 Aitor Alvarez-Gila , Joost van de Weijer , Estibaliz Garrote

This paper proposes an unsupervised method for learning a unified representation that serves both discriminative and generative purposes. While most existing unsupervised learning approaches focus on a representation for only one of these…

Computer Vision and Pattern Recognition · Computer Science 2022-11-01 Shengbang Tong , Xili Dai , Yubei Chen , Mingyang Li , Zengyi Li , Brent Yi , Yann LeCun , Yi Ma

This paper proposes a framework for modeling sound change that combines deep learning and iterative learning. Acquisition and transmission of speech is modeled by training generations of Generative Adversarial Networks (GANs) on unannotated…

Computation and Language · Computer Science 2021-09-23 Gašper Beguš

With the huge technological advances introduced by deep learning in audio & speech processing, many novel synthetic speech techniques achieved incredible realistic results. As these methods generate realistic fake human voices, they can be…

Unsupervised domain adaptation of speech signal aims at adapting a well-trained source-domain acoustic model to the unlabeled data from target domain. This can be achieved by adversarial training of deep neural network (DNN) acoustic models…

Computation and Language · Computer Science 2019-05-01 Zhong Meng , Zhuo Chen , Vadim Mazalov , Jinyu Li , Yifan Gong

This paper proposes a self-supervised learning approach for video features that results in significantly improved performance on downstream tasks (such as video classification, captioning and segmentation) compared to existing methods. Our…

Machine Learning · Computer Science 2019-10-01 Chen Sun , Fabien Baradel , Kevin Murphy , Cordelia Schmid

The intuitive interaction between the audio and visual modalities is valuable for cross-modal self-supervised learning. This concept has been demonstrated for generic audiovisual tasks like video action recognition and acoustic scene…

Audio and Speech Processing · Electrical Eng. & Systems 2020-07-14 Abhinav Shukla , Stavros Petridis , Maja Pantic

As digital medical imaging becomes more prevalent and archives increase in size, representation learning exposes an interesting opportunity for enhanced medical decision support systems. On the other hand, medical imaging data is often…

Computer Vision and Pattern Recognition · Computer Science 2018-07-25 Eduardo Pinho , Carlos Costa

Self-supervised pre-training using so-called "pretext" tasks has recently shown impressive performance across a wide range of modalities. In this work, we advance self-supervised learning from permutations, by pre-training a model to…

Sound · Computer Science 2021-05-05 Andrew N Carr , Quentin Berthet , Mathieu Blondel , Olivier Teboul , Neil Zeghidour

Deep neural network based speech enhancement approaches aim to learn a noisy-to-clean transformation using a supervised learning paradigm. However, such a trained-well transformation is vulnerable to unseen noises that are not included in…

Sound · Computer Science 2023-02-24 Chen Chen , Yuchen Hu , Heqing Zou , Linhui Sun , Eng Siong Chng

Deep generative models have emerged as a promising approach in the medical image domain to address data scarcity. However, their use for sequential data like respiratory sounds is less explored. In this work, we propose a straightforward…

Sound · Computer Science 2023-11-14 June-Woo Kim , Chihyeon Yoon , Miika Toikkanen , Sangmin Bae , Ho-Young Jung

For many wireless communication applications, traffic pattern modeling of radio signals combined with channel effects is much needed. While analytical models are used to capture these phenomena, real world non-linear effects (e.g. device…

Signal Processing · Electrical Eng. & Systems 2022-06-30 Haythem Chaker , Soumaya Hamouda , Nicola Michailow

Style transfer is a technique for combining two images based on the activations and feature statistics in a deep learning neural network architecture. This paper studies the analogous task in the audio domain and takes a critical look at…

Sound · Computer Science 2020-08-10 M. Huzaifah , L. Wyse

Environmental Sound Classification (ESC) is a challenging field of research in non-speech audio processing. Most of current research in ESC focuses on designing deep models with special architectures tailored for specific audio datasets,…

Sound · Computer Science 2021-03-03 Alireza Nasiri , Jianjun Hu

The goal of this work is to localize sound sources in visual scenes with a self-supervised approach. Contrastive learning in the context of sound source localization leverages the natural correspondence between audio and visual signals…

Computer Vision and Pattern Recognition · Computer Science 2022-11-04 Sooyoung Park , Arda Senocak , Joon Son Chung

State-of-the-art under-determined audio source separation systems rely on supervised end-end training of carefully tailored neural network architectures operating either in the time or the spectral domain. However, these methods are…

Audio and Speech Processing · Electrical Eng. & Systems 2020-05-29 Vivek Narayanaswamy , Jayaraman J. Thiagarajan , Rushil Anirudh , Andreas Spanias

The performance of machine learning algorithms is known to be negatively affected by possible mismatches between training (source) and test (target) data distributions. In fact, this problem emerges whenever an acoustic scene classification…

Audio and Speech Processing · Electrical Eng. & Systems 2020-05-04 Alessandro Ilic Mezza , Emanuël A. P. Habets , Meinard Müller , Augusto Sarti

We propose a self-supervised learning method using multiple sampling strategies to obtain general-purpose audio representation. Multiple sampling strategies are used in the proposed method to construct contrastive losses from different…

Sound · Computer Science 2025-05-27 Ibuki Kuroyanagi , Tatsuya Komatsu

Recent studies have highlighted adversarial examples as a ubiquitous threat to different neural network models and many downstream applications. Nonetheless, as unique data properties have inspired distinct and powerful learning principles,…

Machine Learning · Computer Science 2019-06-06 Zhuolin Yang , Bo Li , Pin-Yu Chen , Dawn Song
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