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Acoustic scene classification (ASC) and sound event detection (SED) are fundamental tasks in environmental sound analysis, and many methods based on deep learning have been proposed. Considering that information on acoustic scenes and sound…

Sound · Computer Science 2022-04-06 Keisuke Imoto , Yuka Komatsu , Shunsuke Tsubaki , Tatsuya Komatsu

The deployment of machine listening algorithms in real-life applications is often impeded by a domain shift caused for instance by different microphone characteristics. In this paper, we propose a novel domain adaptation strategy based on…

Audio and Speech Processing · Electrical Eng. & Systems 2021-10-27 Jakob Abeßer , Meinard Müller

We introduce a powerful student-teacher framework for the challenging problem of unsupervised anomaly detection and pixel-precise anomaly segmentation in high-resolution images. Student networks are trained to regress the output of a…

Computer Vision and Pattern Recognition · Computer Science 2020-09-08 Paul Bergmann , Michael Fauser , David Sattlegger , Carsten Steger

Deep Learning approaches for real, large, and complex scientific data sets can be very challenging to design. In this work, we present a complete search for a finely-tuned and efficiently scaled deep learning classifier to identify usable…

Machine Learning · Computer Science 2020-10-16 Vincent Dumont , Verónica Rodríguez Tribaldos , Jonathan Ajo-Franklin , Kesheng Wu

We propose Deep Autoencoding Predictive Components (DAPC) -- a self-supervised representation learning method for sequence data, based on the intuition that useful representations of sequence data should exhibit a simple structure in the…

Machine Learning · Computer Science 2021-03-02 Junwen Bai , Weiran Wang , Yingbo Zhou , Caiming Xiong

We introduce Layered Self-Supervised Knowledge Distillation (LSSKD) framework for training compact deep learning models. Unlike traditional methods that rely on pre-trained teacher networks, our approach appends auxiliary classifiers to…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Tarique Dahri , Zulfiqar Ali Memon , Zhenyu Yu , Mohd. Yamani Idna Idris , Sheheryar Khan , Sadiq Ahmad , Maged Shoman , Saddam Aziz , Rizwan Qureshi

Scene classification, aiming at classifying a scene image to one of the predefined scene categories by comprehending the entire image, is a longstanding, fundamental and challenging problem in computer vision. The rise of large-scale…

Computer Vision and Pattern Recognition · Computer Science 2021-02-23 Delu Zeng , Minyu Liao , Mohammad Tavakolian , Yulan Guo , Bolei Zhou , Dewen Hu , Matti Pietikäinen , Li Liu

In this paper, the Brno University of Technology (BUT) team submissions for Task 1 (Acoustic Scene Classification, ASC) of the DCASE-2018 challenge are described. Also, the analysis of different methods on the leaderboard set is provided.…

Audio and Speech Processing · Electrical Eng. & Systems 2018-10-11 Hossein Zeinali , Lukas Burget , Jan Cernocky

An embedding-based speaker adaptive training (SAT) approach is proposed and investigated in this paper for deep neural network acoustic modeling. In this approach, speaker embedding vectors, which are a constant given a particular speaker,…

Computation and Language · Computer Science 2017-10-20 Xiaodong Cui , Vaibhava Goel , George Saon

The front-end module in multi-channel automatic speech recognition (ASR) systems mainly use microphone array techniques to produce enhanced signals in noisy conditions with reverberation and echos. Recently, neural network (NN) based…

Sound · Computer Science 2020-11-19 Yuxiang Kong , Jian Wu , Quandong Wang , Peng Gao , Weiji Zhuang , Yujun Wang , Lei Xie

To address Task 5 in the Detection and Classification of Acoustic Scenes and Events (DCASE) 2018 challenge, in this paper, we propose an ensemble learning system. The proposed system consists of three different models, based on…

Audio and Speech Processing · Electrical Eng. & Systems 2018-12-13 Jeremy Chew , Yingxiang Sun , Lahiru Jayasinghe , Chau Yuen

Scene text recognition is a hot research topic in computer vision. Recently, many recognition methods based on the encoder-decoder framework have been proposed, and they can handle scene texts of perspective distortion and curve shape.…

Computer Vision and Pattern Recognition · Computer Science 2020-05-25 Zhi Qiao , Yu Zhou , Dongbao Yang , Yucan Zhou , Weiping Wang

Ambient sound scenes typically comprise multiple short events occurring on top of a somewhat stationary background. We consider the task of separating these events from the background, which we call foreground-background ambient sound scene…

Audio and Speech Processing · Electrical Eng. & Systems 2020-07-28 Michel Olvera , Emmanuel Vincent , Romain Serizel , Gilles Gasso

Deep audio representation learning using multi-modal audio-visual data often leads to a better performance compared to uni-modal approaches. However, in real-world scenarios both modalities are not always available at the time of inference,…

Sound · Computer Science 2023-02-07 Amirhossein Hajavi , Ali Etemad

In this paper, we present a deep extension of Sparse Subspace Clustering, termed Deep Sparse Subspace Clustering (DSSC). Regularized by the unit sphere distribution assumption for the learned deep features, DSSC can infer a new data…

Computer Vision and Pattern Recognition · Computer Science 2017-09-26 Xi Peng , Jiashi Feng , Shijie Xiao , Jiwen Lu , Zhang Yi , Shuicheng Yan

Among applications of deep learning (DL) involving low cost sensors, remote image classification involves a physical channel that separates edge sensors and cloud classifiers. Traditional DL models must be divided between an encoder for the…

Image and Video Processing · Electrical Eng. & Systems 2023-10-31 Siyu Qi , Achintha Wijesinghe , Lahiru D. Chamain , Zhi Ding

In this paper, we present a novel deep fusion architecture for audio classification tasks. The multi-channel model presented is formed using deep convolution layers where different acoustic features are passed through each channel. To…

Sound · Computer Science 2018-11-05 Gaurav Bhatt , Akshita Gupta , Aditya Arora , Balasubramanian Raman

Recognizing text in the wild is a really challenging task because of complex backgrounds, various illuminations and diverse distortions, even with deep neural networks (convolutional neural networks and recurrent neural networks). In the…

Computer Vision and Pattern Recognition · Computer Science 2017-10-11 Chun Yang , Xu-Cheng Yin , Zejun Li , Jianwei Wu , Chunchao Guo , Hongfa Wang , Lei Xiao

Active speaker detection (ASD) is a multi-modal task that aims to identify who, if anyone, is speaking from a set of candidates. Current audio-visual approaches for ASD typically rely on visually pre-extracted face tracks (sequences of…

Audio and Speech Processing · Electrical Eng. & Systems 2022-03-08 Davide Berghi , Adrian Hilton , Philip J. B. Jackson

Deep learning based discriminative methods, being the state-of-the-art machine learning techniques, are ill-suited for learning from lower amounts of data. In this paper, we propose a novel framework, called simultaneous two sample learning…

Computation and Language · Computer Science 2017-12-18 Sri Harsha Dumpala , Rupayan Chakraborty , Sunil Kumar Kopparapu