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The recently proposed Conformer architecture has shown state-of-the-art performances in Automatic Speech Recognition by combining convolution with attention to model both local and global dependencies. In this paper, we study how to reduce…

Audio and Speech Processing · Electrical Eng. & Systems 2021-09-09 Maxime Burchi , Valentin Vielzeuf

Audio-visual speech enhancement system is regarded as one of promising solutions for isolating and enhancing speech of desired speaker. Typical methods focus on predicting clean speech spectrum via a naive convolution neural network based…

Audio and Speech Processing · Electrical Eng. & Systems 2022-07-01 Xinmeng Xu , Yang Wang , Jie Jia , Binbin Chen , Dejun Li

In this paper, the problem of describing visual contents of a video sequence with natural language is addressed. Unlike previous video captioning work mainly exploiting the cues of video contents to make a language description, we propose a…

Computer Vision and Pattern Recognition · Computer Science 2018-04-02 Bairui Wang , Lin Ma , Wei Zhang , Wei Liu

Deep complex U-Net structure and convolutional recurrent network (CRN) structure achieve state-of-the-art performance for monaural speech enhancement. Both deep complex U-Net and CRN are encoder and decoder structures with skip connections,…

Sound · Computer Science 2024-12-02 Shengkui Zhao , Trung Hieu Nguyen , Bin Ma

End-to-end Automatic Speech Recognition (ASR) systems based on neural networks have seen large improvements in recent years. The availability of large scale hand-labeled datasets and sufficient computing resources made it possible to train…

Computer Vision and Pattern Recognition · Computer Science 2023-01-05 Maxime Burchi , Radu Timofte

In this paper, the problem of describing visual contents of a video sequence with natural language is addressed. Unlike previous video captioning work mainly exploiting the cues of video contents to make a language description, we propose a…

Computer Vision and Pattern Recognition · Computer Science 2019-06-05 Wei Zhang , Bairui Wang , Lin Ma , Wei Liu

In this paper, we present deep learning frameworks for audio-visual scene classification (SC) and indicate how individual visual and audio features as well as their combination affect SC performance. Our extensive experiments, which are…

Sound · Computer Science 2021-06-17 Lam Pham , Alexander Schindler , Mina Schütz , Jasmin Lampert , Sven Schlarb , Ross King

Most deep learning-based models for speech enhancement have mainly focused on estimating the magnitude of spectrogram while reusing the phase from noisy speech for reconstruction. This is due to the difficulty of estimating the phase of…

Sound · Computer Science 2019-04-03 Hyeong-Seok Choi , Jang-Hyun Kim , Jaesung Huh , Adrian Kim , Jung-Woo Ha , Kyogu Lee

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

This paper introduces an end-to-end neural speech restoration model, HD-DEMUCS, demonstrating efficacy across multiple distortion environments. Unlike conventional approaches that employ cascading frameworks to remove undesirable noise…

Audio and Speech Processing · Electrical Eng. & Systems 2023-06-05 Doyeon Kim , Soo-Whan Chung , Hyewon Han , Youna Ji , Hong-Goo Kang

Medical image segmentation is crucial for the development of computer-aided diagnostic and therapeutic systems, but still faces numerous difficulties. In recent years, the commonly used encoder-decoder architecture based on CNNs has been…

Computer Vision and Pattern Recognition · Computer Science 2023-04-25 Davoud Saadati , Omid Nejati Manzari , Sattar Mirzakuchaki

The encode-decoder framework has shown recent success in image captioning. Visual attention, which is good at detailedness, and semantic attention, which is good at comprehensiveness, have been separately proposed to ground the caption on…

Computation and Language · Computer Science 2018-08-28 Fenglin Liu , Xuancheng Ren , Yuanxin Liu , Houfeng Wang , Xu Sun

Image segmentation is a fundamental task in image analysis and clinical practice. The current state-of-the-art techniques are based on U-shape type encoder-decoder networks with skip connections, called U-Net. Despite the powerful…

Computer Vision and Pattern Recognition · Computer Science 2023-02-02 Chun-Wun Cheng , Christina Runkel , Lihao Liu , Raymond H Chan , Carola-Bibiane Schönlieb , Angelica I Aviles-Rivero

Noise reduction is an important part of modern hearing aids and is included in most commercially available devices. Deep learning-based state-of-the-art algorithms, however, either do not consider real-time and frequency resolution…

Audio and Speech Processing · Electrical Eng. & Systems 2020-01-29 Hendrik Schröter , Tobias Rosenkranz , Alberto N. Escalante B. , Marc Aubreville , Andreas Maier

Neural multi-channel speech enhancement models, in particular those based on the U-Net architecture, demonstrate promising performance and generalization potential. These models typically encode input channels independently, and integrate…

Sound · Computer Science 2024-10-08 Ibrahim Aldarmaki , Thamar Solorio , Bhiksha Raj , Hanan Aldarmaki

This paper introduces Spectral U-Net, a novel deep learning network based on spectral decomposition, by exploiting Dual Tree Complex Wavelet Transform (DTCWT) for down-sampling and inverse Dual Tree Complex Wavelet Transform (iDTCWT) for…

Image and Video Processing · Electrical Eng. & Systems 2024-09-17 Yaopeng Peng , Milan Sonka , Danny Z. Chen

We present a system for the Zero Resource Speech Challenge 2021, which combines a Contrastive Predictive Coding (CPC) with deep cluster. In deep cluster, we first prepare pseudo-labels obtained by clustering the outputs of a CPC network…

Transformer has shown advanced performance in speech separation, benefiting from its ability to capture global features. However, capturing local features and channel information of audio sequences in speech separation is equally important.…

Sound · Computer Science 2023-03-08 Zhaoxi Mu , Xinyu Yang , Wenjing Zhu

Audio-visual speaker extraction has attracted increasing attention, as it removes the need for pre-registered speech and leverages the visual modality as a complement to audio. Although existing methods have achieved impressive performance,…

Multimedia · Computer Science 2026-03-03 Jiadong Wang , Ke Zhang , Xinyuan Qian , Ruijie Tao , Haizhou Li , Björn Schuller

Several groups are currently investigating how deep learning may advance the state-of-the-art in image and video coding. An open question is how to make deep neural networks work in conjunction with existing (and upcoming) video codecs,…

Image and Video Processing · Electrical Eng. & Systems 2019-12-17 Eirina Bourtsoulatze , Aaron Chadha , Ilya Fadeev , Vasileios Giotsas , Yiannis Andreopoulos