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Learning an effective speaker representation is crucial for achieving reliable performance in speaker verification tasks. Speech signals are high-dimensional, long, and variable-length sequences containing diverse information at each…

Audio and Speech Processing · Electrical Eng. & Systems 2023-08-25 Wei Xia , John H. L. Hansen

Audiovisual segmentation (AVS) is a challenging task that aims to segment visual objects in videos according to their associated acoustic cues. With multiple sound sources and background disturbances involved, establishing robust…

Computer Vision and Pattern Recognition · Computer Science 2024-04-22 Xiang Li , Jinglu Wang , Xiaohao Xu , Xiulian Peng , Rita Singh , Yan Lu , Bhiksha Raj

A major advantage of a deep convolutional neural network (CNN) is that the focused receptive field size is increased by stacking multiple convolutional layers. Accordingly, the model can explore the long-range dependency of features from…

Sound · Computer Science 2020-06-17 Xugang Lu , Peng Shen , Sheng Li , Yu Tsao , Hisashi Kawai

Deep learning has dramatically improved the performance of sounds recognition. However, learning acoustic models directly from the raw waveform is still challenging. Current waveform-based models generally use time-domain convolutional…

Sound · Computer Science 2018-03-29 Boqing Zhu , Changjian Wang , Feng Liu , Jin Lei , Zengquan Lu , Yuxing Peng

This paper presents a task of audio-visual scene classification (SC) where input videos are classified into one of five real-life crowded scenes: 'Riot', 'Noise-Street', 'Firework-Event', 'Music-Event', and 'Sport-Atmosphere'. To this end,…

Computer Vision and Pattern Recognition · Computer Science 2021-12-20 Lam Pham , Dat Ngo , Phu X. Nguyen , Truong Hoang , Alexander Schindler

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

Source separation is the task to separate an audio recording into individual sound sources. Source separation is fundamental for computational auditory scene analysis. Previous work on source separation has focused on separating particular…

Sound · Computer Science 2020-02-07 Qiuqiang Kong , Yuxuan Wang , Xuchen Song , Yin Cao , Wenwu Wang , Mark D. Plumbley

Autonomous robotic systems and self driving cars rely on accurate perception of their surroundings as the safety of the passengers and pedestrians is the top priority. Semantic segmentation is one the essential components of environmental…

Computer Vision and Pattern Recognition · Computer Science 2021-02-10 Ran Cheng , Ryan Razani , Ehsan Taghavi , Enxu Li , Bingbing Liu

The crux of resolving fine-grained visual classification (FGVC) lies in capturing discriminative and class-specific cues that correspond to subtle visual characteristics. Recently, frequency decomposition/transform based approaches have…

Computer Vision and Pattern Recognition · Computer Science 2025-11-14 Qin Xu , Lili Zhu , Xiaoxia Cheng , Bo Jiang

Hyperspectral image classification (HSIC) has been significantly advanced by deep learning methods that exploit rich spatial-spectral correlations. However, existing approaches still face fundamental limitations: transformer-based models…

Computer Vision and Pattern Recognition · Computer Science 2026-03-18 Muhammad Ahmad

Recent works attempt to improve scene parsing performance by exploring different levels of contexts, and typically train a well-designed convolutional network to exploit useful contexts across all pixels equally. However, in this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2019-11-06 Jun Fu , Jing Liu , Yuhang Wang , Yong Li , Yongjun Bao , Jinhui Tang , Hanqing Lu

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

Recently, convolutional neural networks (CNN) have achieved the state-of-the-art performance in acoustic scene classification (ASC) task. The audio data is often transformed into two-dimensional spectrogram representations, which are then…

Sound · Computer Science 2020-07-09 Helin Wang , Yuexian Zou , Dading Chong

In this paper we present a Deep Neural Network architecture for the task of acoustic scene classification which harnesses information from increasing temporal resolutions of Mel-Spectrogram segments. This architecture is composed of…

Sound · Computer Science 2018-11-13 Alexander Schindler , Thomas Lidy , Andreas Rauber

Machine hearing or listening represents an emerging area. Conventional approaches rely on the design of handcrafted features specialized to a specific audio task and that can hardly generalized to other audio fields. For example,…

Computer Vision and Pattern Recognition · Computer Science 2018-12-13 Imad Rida , Romain Hérault , Gilles Gasso

Audio-Visual Segmentation (AVS) aims to segment sound-producing objects in video frames based on the associated audio signal. Prevailing AVS methods typically adopt an audio-centric Transformer architecture, where object queries are derived…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Shaofei Huang , Rui Ling , Tianrui Hui , Hongyu Li , Xu Zhou , Shifeng Zhang , Si Liu , Richang Hong , Meng Wang

We introduce CrossNet, a complex spectral mapping approach to speaker separation and enhancement in reverberant and noisy conditions. The proposed architecture comprises an encoder layer, a global multi-head self-attention module, a…

Sound · Computer Science 2024-03-07 Vahid Ahmadi Kalkhorani , DeLiang Wang

Anomalous Sound Detection (ASD) is often formulated as a machine attribute classification task, a strategy necessitated by the common scenario where only normal data is available for training. However, the exhaustive collection of machine…

Sound · Computer Science 2025-09-22 Xin Fang , Guirui Zhong , Qing Wang , Fan Chu , Lei Wang , Mengui Qian , Mingqi Cai , Jiangzhao Wu , Jianqing Gao , Jun Du

Automated segmentation of the vertebral column in Computed Tomography (CT) scans is a prerequisite for pathological assessment and surgical planning. However, state-of-the-art methods, particularly those based on Transformers or large-scale…

Computer Vision and Pattern Recognition · Computer Science 2026-05-21 K S Nithurshen , Saurabh J. Shigwan

In this paper we present our system for the detection and classification of acoustic scenes and events (DCASE) 2020 Challenge Task 4: Sound event detection and separation in domestic environments. We introduce two new models: the…

Audio and Speech Processing · Electrical Eng. & Systems 2021-03-12 Janek Ebbers , Reinhold Haeb-Umbach