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Real-world image denoising is an extremely important image processing problem, which aims to recover clean images from noisy images captured in natural environments. In recent years, diffusion models have achieved very promising results in…

计算机视觉与模式识别 · 计算机科学 2023-05-09 Cheng Yang , Lijing Liang , Zhixun Su

We introduce an approach to multilingual speech synthesis which uses the meta-learning concept of contextual parameter generation and produces natural-sounding multilingual speech using more languages and less training data than previous…

音频与语音处理 · 电气工程与系统科学 2020-08-04 Tomáš Nekvinda , Ondřej Dušek

This study proposes a fully convolutional network (FCN) model for raw waveform-based speech enhancement. The proposed system performs speech enhancement in an end-to-end (i.e., waveform-in and waveform-out) manner, which dif-fers from most…

机器学习 · 统计学 2017-06-16 Szu-Wei Fu , Yu Tsao , Xugang Lu , Hisashi Kawai

Ultrasound imaging serves as an effective and non-invasive diagnostic tool commonly employed in clinical examinations. However, the presence of speckle noise in ultrasound images invariably degrades image quality, impeding the performance…

计算机视觉与模式识别 · 计算机科学 2023-10-06 Zhenyu Bu , Kai-Ni Wang , Fuxing Zhao , Shengxiao Li , Guang-Quan Zhou

Speech enhancement is critical for improving speech intelligibility and quality in various audio devices. In recent years, deep learning-based methods have significantly improved speech enhancement performance, but they often come with a…

音频与语音处理 · 电气工程与系统科学 2024-10-08 Xiang Hao , Chenxiang Ma , Qu Yang , Jibin Wu , Kay Chen Tan

Most deep learning-based multi-channel speech enhancement methods focus on designing a set of beamforming coefficients to directly filter the low signal-to-noise ratio signals received by microphones, which hinders the performance of these…

声音 · 计算机科学 2022-02-08 Wenzhe Liu , Andong Li , Chengshi Zheng , Xiaodong Li

Image denoising is of great importance for medical imaging system, since it can improve image quality for disease diagnosis and downstream image analyses. In a variety of applications, dynamic imaging techniques are utilized to capture the…

图像与视频处理 · 电气工程与系统科学 2021-06-24 Junshen Xu , Elfar Adalsteinsson

Noise removal of images is an essential preprocessing procedure for many computer vision tasks. Currently, many denoising models based on deep neural networks can perform well in removing the noise with known distributions (i.e. the…

计算机视觉与模式识别 · 计算机科学 2023-06-21 Wencong Wu , Guannan Lv , Yingying Duan , Peng Liang , Yungang Zhang , Yuelong Xia

Recent advances in unsupervised speech representation learning discover new approaches and provide new state-of-the-art for diverse types of speech processing tasks. This paper presents an investigation of using wav2vec 2.0 deep speech…

Hyperspectral image (HSI) denoising is a crucial step in enhancing the quality of HSIs. Noise modeling methods can fit noise distributions to generate synthetic HSIs to train denoising networks. However, the noise in captured HSIs is…

计算机视觉与模式识别 · 计算机科学 2025-11-24 Yingkai Zhang , Tao Zhang , Jing Nie , Ying Fu

Pretrained language models have significantly advanced performance across various natural language processing tasks. However, adversarial attacks continue to pose a critical challenge to systems built using these models, as they can be…

计算与语言 · 计算机科学 2025-05-20 Zhenhao Li , Huichi Zhou , Marek Rei , Lucia Specia

Point clouds captured by scanning sensors are often perturbed by noise, which have a highly negative impact on downstream tasks (e.g. surface reconstruction and shape understanding). Previous works mostly focus on training neural networks…

计算机视觉与模式识别 · 计算机科学 2025-10-30 Junsheng Zhou , Xingyu Shi , Haichuan Song , Yi Fang , Yu-Shen Liu , Zhizhong Han

Ultrasound images are widespread in medical diagnosis for muscle-skeletal, cardiac, and obstetrical diseases, due to the efficiency and non-invasiveness of the acquisition methodology. However, ultrasound acquisition introduces noise in the…

图像与视频处理 · 电气工程与系统科学 2025-06-24 Simone Cammarasana , Paolo Nicolardi , Giuseppe Patanè

We introduce a deep learning model for speech denoising, a long-standing challenge in audio analysis arising in numerous applications. Our approach is based on a key observation about human speech: there is often a short pause between each…

声音 · 计算机科学 2020-10-26 Ruilin Xu , Rundi Wu , Yuko Ishiwaka , Carl Vondrick , Changxi Zheng

Self-supervised frameworks that learn denoising models with merely individual noisy images have shown strong capability and promising performance in various image denoising tasks. Existing self-supervised denoising frameworks are mostly…

计算机视觉与模式识别 · 计算机科学 2020-10-26 Yaochen Xie , Zhengyang Wang , Shuiwang Ji

We study the use of the Wave-U-Net architecture for speech enhancement, a model introduced by Stoller et al for the separation of music vocals and accompaniment. This end-to-end learning method for audio source separation operates directly…

声音 · 计算机科学 2018-11-29 Craig Macartney , Tillman Weyde

Current state-of-the-art speech recognition systems build on recurrent neural networks for acoustic and/or language modeling, and rely on feature extraction pipelines to extract mel-filterbanks or cepstral coefficients. In this paper we…

计算与语言 · 计算机科学 2019-04-10 Neil Zeghidour , Qiantong Xu , Vitaliy Liptchinsky , Nicolas Usunier , Gabriel Synnaeve , Ronan Collobert

Deep neural networks are often coupled with traditional spatial filters, such as MVDR beamformers for effectively exploiting spatial information. Even though single-stage end-to-end supervised models can obtain impressive enhancement,…

声音 · 计算机科学 2022-04-07 Asutosh Pandey , Buye Xu , Anurag Kumar , Jacob Donley , Paul Calamia , DeLiang Wang

We present a new framework of applying deep neural networks (DNN) to devise a universal discrete denoiser. Unlike other approaches that utilize supervised learning for denoising, we do not require any additional training data. In such…

机器学习 · 计算机科学 2016-08-25 Taesup Moon , Seonwoo Min , Byunghan Lee , Sungroh Yoon

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

音频与语音处理 · 电气工程与系统科学 2022-09-28 Xinmeng Xu , Jianjun Hao