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Ensembles of Convolutional neural networks have shown remarkable results in learning discriminative semantic features for image classification tasks. Though, the models in the ensemble often concentrate on similar regions in images. This…

Computer Vision and Pattern Recognition · Computer Science 2023-02-28 Tobias Schlagenhauf , Yiwen Lin , Benjamin Noack

Deep learning architectures have made significant progress in terms of performance in many research areas. The automatic speech recognition (ASR) field has thus benefited from these scientific and technological advances, particularly for…

Sound · Computer Science 2024-03-01 Quentin Raymondaud , Mickael Rouvier , Richard Dufour

Replay attacks remain a critical vulnerability for automatic speaker verification systems, particularly in real-time voice assistant applications. In this work, we propose acoustic maps as a novel spatial feature representation for replay…

Audio and Speech Processing · Electrical Eng. & Systems 2026-05-21 Michael Neri , Tuomas Virtanen

Conventionally, autoencoders are unsupervised representation learning tools. In this work, we propose a novel discriminative autoencoder. Use of supervised discriminative learning ensures that the learned representation is robust to…

Computer Vision and Pattern Recognition · Computer Science 2019-12-30 Anupriya Gogna , Angshul Majumdar

In many learning situations, resources at inference time are significantly more constrained than resources at training time. This paper studies a general paradigm, called Differentiable ARchitecture Compression (DARC), that combines model…

Machine Learning · Computer Science 2019-05-21 Shashank Singh , Ashish Khetan , Zohar Karnin

The spatial semantic segmentation task focuses on separating and classifying sound objects from multichannel signals. To achieve two different goals, conventional methods fine-tune a large classification model cascaded with the separation…

Audio and Speech Processing · Electrical Eng. & Systems 2025-09-22 Younghoo Kwon , Jung-Woo Choi

In this paper, we investigate how to learn rich and robust feature representations for audio classification from visual data and acoustic images, a novel audio data modality. Former models learn audio representations from raw signals or…

Computer Vision and Pattern Recognition · Computer Science 2020-02-12 Andrés F. Pérez , Valentina Sanguineti , Pietro Morerio , Vittorio Murino

This paper presents a new deep neural network design for salient object detection by maximizing the integration of local and global image context within, around, and beyond the salient objects. Our key idea is to adaptively propagate and…

Computer Vision and Pattern Recognition · Computer Science 2020-05-21 Xiaowei Hu , Chi-Wing Fu , Lei Zhu , Tianyu Wang , Pheng-Ann Heng

In this work, we compare the performance of three selected techniques in open set acoustic scenes classification (ASC). We test thresholding of the softmax output of a deep network classifier, which is the most popular technique nowadays…

Audio and Speech Processing · Electrical Eng. & Systems 2020-08-18 Zuzanna Kwiatkowska , Beniamin Kalinowski , Michał Kośmider , Krzysztof Rykaczewski

The acquisition of high-quality labeled synthetic aperture radar (SAR) data is challenging due to the demanding requirement for expert knowledge. Consequently, the presence of unreliable noisy labels is unavoidable, which results in…

Computer Vision and Pattern Recognition · Computer Science 2025-08-12 Yimin Fu , Zhunga Liu , Dongxiu Guo , Longfei Wang

Acoustic scene classification is an intricate problem for a machine. As an emerging field of research, deep Convolutional Neural Networks (CNN) achieve convincing results. In this paper, we explore the use of multi-scale Dense connected…

Computer Vision and Pattern Recognition · Computer Science 2018-06-13 Dawei Feng , Kele Xu , Haibo Mi , Feifan Liao , Yan Zhou

Accent recognition with deep learning framework is a similar work to deep speaker identification, they're both expected to give the input speech an identifiable representation. Compared with the individual-level features learned by speaker…

Sound · Computer Science 2021-08-26 Wei Wang , Chao Zhang , Xiaopei Wu

Acoustic scene classification is an automatic listening problem that aims to assign an audio recording to a pre-defined scene based on its audio data. Over the years (and in past editions of the DCASE) this problem has often been solved…

Deep learning has been widely used recently for sound event detection and classification. Its success is linked to the availability of sufficiently large datasets, possibly with corresponding annotations when supervised learning is…

Sound · Computer Science 2023-09-06 Ilyass Moummad , Romain Serizel , Nicolas Farrugia

Topic classification systems on spoken documents usually consist of two modules: an automatic speech recognition (ASR) module to convert speech into text and a text topic classification (TTC) module to predict the topic class from the…

Computation and Language · Computer Science 2021-06-17 Tan Liu , Wu Guo , Bin Gu

The ability of deep convolutional neural networks (CNN) to learn discriminative spectro-temporal patterns makes them well suited to environmental sound classification. However, the relative scarcity of labeled data has impeded the…

Sound · Computer Science 2017-04-05 Justin Salamon , Juan Pablo Bello

This paper proposes an effective modelling of sound event spectra with a hidden data-size-imbalance, for improved Acoustic Event Detection (AED). The proposed method models each event as an aggregated representation of a few latent factors,…

Audio and Speech Processing · Electrical Eng. & Systems 2019-04-08 Chaitanya Narisetty , Tatsuya Komatsu , Reishi Kondo

This paper explores the use of multi-view features and their discriminative transforms in a convolutional deep neural network (CNN) architecture for a continuous large vocabulary speech recognition task. Mel-filterbank energies and…

Computation and Language · Computer Science 2018-02-19 Vikramjit Mitra , Wen Wang , Chris Bartels , Horacio Franco , Dimitra Vergyri

In industrial applications, the early detection of malfunctioning factory machinery is crucial. In this paper, we consider acoustic malfunction detection via transfer learning. Contrary to the majority of current approaches which are based…

Audio and Speech Processing · Electrical Eng. & Systems 2021-02-19 Robert Müller , Fabian Ritz , Steffen Illium , Claudia Linnhoff-Popien

Scene labeling is a challenging classification problem where each input image requires a pixel-level prediction map. Recently, deep-learning-based methods have shown their effectiveness on solving this problem. However, we argue that the…

Computer Vision and Pattern Recognition · Computer Science 2017-06-12 Zhe Wang , Hongsheng Li , Wanli Ouyang , Xiaogang Wang
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