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Phase information has a significant impact on speech perceptual quality and intelligibility. However, existing speech enhancement methods encounter limitations in explicit phase estimation due to the non-structural nature and wrapping…

Audio and Speech Processing · Electrical Eng. & Systems 2024-04-02 Ye-Xin Lu , Yang Ai , Zhen-Hua Ling

This paper proposes an end-to-end approach for single-channel speaker-independent multi-speaker speech separation, where time-frequency (T-F) masking, the short-time Fourier transform (STFT), and its inverse are represented as layers within…

Sound · Computer Science 2018-04-30 Zhong-Qiu Wang , Jonathan Le Roux , DeLiang Wang , John R. Hershey

In this paper, we present RT-GCC-NMF: a real-time (RT), two-channel blind speech enhancement algorithm that combines the non-negative matrix factorization (NMF) dictionary learning algorithm with the generalized cross-correlation (GCC)…

Audio and Speech Processing · Electrical Eng. & Systems 2019-04-08 Sean U. N. Wood , Jean Rouat

General-purpose super-resolution models, particularly Vision Transformers, have achieved remarkable success but exhibit fundamental inefficiencies in common infrared imaging scenarios like surveillance and autonomous driving, which operate…

Computer Vision and Pattern Recognition · Computer Science 2026-02-18 Youngwan Jin , Incheol Park , Yagiz Nalcakan , Hyeongjin Ju , Sanghyeop Yeo , Shiho Kim

We study on image super-resolution (SR), which aims to recover realistic textures from a low-resolution (LR) image. Recent progress has been made by taking high-resolution images as references (Ref), so that relevant textures can be…

Computer Vision and Pattern Recognition · Computer Science 2020-06-23 Fuzhi Yang , Huan Yang , Jianlong Fu , Hongtao Lu , Baining Guo

Self-supervised learning (SSL) has advanced speech processing but suffers from quadratic complexity due to self-attention. To address this, SummaryMixing (SM) has been proposed as a linear-time alternative that summarizes entire utterances…

Audio and Speech Processing · Electrical Eng. & Systems 2026-02-11 Aditya Srinivas Menon , Kumud Tripathi , Raj Gohil , Pankaj Wasnik

Self-supervised learning (SSL) based speech foundation models have been applied to a wide range of ASR tasks. However, their application to dysarthric and elderly speech via data-intensive parameter fine-tuning is confronted by in-domain…

Audio and Speech Processing · Electrical Eng. & Systems 2024-07-22 Shujie Hu , Xurong Xie , Mengzhe Geng , Zengrui Jin , Jiajun Deng , Guinan Li , Yi Wang , Mingyu Cui , Tianzi Wang , Helen Meng , Xunying Liu

Speech Emotion Recognition (SER) is widely deployed in Human-Computer Interaction, yet the high computational cost of conventional models hinders their implementation on resource-constrained edge devices. Spiking Neural Networks (SNNs)…

Artificial Intelligence · Computer Science 2026-02-10 Xun Su , Huamin Wang , Qi Zhang

Despite that convolutional neural networks (CNN) have recently demonstrated high-quality reconstruction for single-image super-resolution (SR), recovering natural and realistic texture remains a challenging problem. In this paper, we show…

Computer Vision and Pattern Recognition · Computer Science 2018-04-10 Xintao Wang , Ke Yu , Chao Dong , Chen Change Loy

Convolutional neural networks (CNNs) have demonstrated superior performance in super-resolution (SR). However, most CNN-based SR methods neglect the different importance among feature channels or fail to take full advantage of the…

Computer Vision and Pattern Recognition · Computer Science 2018-10-17 Yue Lu , Yun Zhou , Zhuqing Jiang , Xiaoqiang Guo , Zixuan Yang

Accurate spatio-temporal prediction is crucial for the sustainable development of smart cities. However, current approaches often struggle to capture important spatio-temporal relationships, particularly overlooking global relations among…

Machine Learning · Computer Science 2024-11-12 Ashutosh Sao , Simon Gottschalk

Due to the successful application of deep learning, audio spoofing detection has made significant progress. Spoofed audio with speech synthesis or voice conversion can be well detected by many countermeasures. However, an automatic speaker…

Sound · Computer Science 2024-01-12 Lian Huang , Chi-Man Pun

Recurrent Neural Networks (RNNs) have become the standard modeling technique for sequence data, and are used in a number of novel text-to-speech models. However, training a TTS model including RNN components has certain requirements for GPU…

Computation and Language · Computer Science 2023-04-18 Ziqi Liang

Existing approaches for replay and synthetic speech detection still lack generalizability to unseen spoofing attacks. This work proposes to leverage a novel model structure, so-called Res2Net, to improve the anti-spoofing countermeasure's…

Audio and Speech Processing · Electrical Eng. & Systems 2021-02-16 Xu Li , Na Li , Chao Weng , Xunying Liu , Dan Su , Dong Yu , Helen Meng

Speech restoration (SR) is a task of converting degraded speech signals into high-quality ones. In this study, we propose a robust SR model called Miipher, and apply Miipher to a new SR application: increasing the amount of high-quality…

Image super-resolution (SR) is a technique to recover lost high-frequency information in low-resolution (LR) images. Spatial-domain information has been widely exploited to implement image SR, so a new trend is to involve frequency-domain…

Image and Video Processing · Electrical Eng. & Systems 2022-12-09 Jing Fang , Yinbo Yu , Zhongyuan Wang , Xin Ding , Ruimin Hu

We present Bifocal RNN-T, a new variant of the Recurrent Neural Network Transducer (RNN-T) architecture designed for improved inference time latency on speech recognition tasks. The architecture enables a dynamic pivot for its runtime…

Audio and Speech Processing · Electrical Eng. & Systems 2021-08-05 Jonathan Macoskey , Grant P. Strimel , Ariya Rastrow

Although face recognition (FR) has achieved great success in recent years, it is still challenging to accurately recognize faces in low-quality images due to the obscured facial details. Nevertheless, it is often feasible to make…

Computer Vision and Pattern Recognition · Computer Science 2024-01-09 Niloufar Alipour Talemi , Hossein Kashiani , Nasser M. Nasrabadi

Super-resolution (SR) is a technique that allows increasing the resolution of a given image. Having applications in many areas, from medical imaging to consumer electronics, several SR methods have been proposed. Currently, the best…

Computer Vision and Pattern Recognition · Computer Science 2019-12-02 Marija Vella , João F. C. Mota

Traditional single image super-resolution (SISR) methods that focus on solving single and uniform degradation (i.e., bicubic down-sampling), typically suffer from poor performance when applied into real-world low-resolution (LR) images due…

Computer Vision and Pattern Recognition · Computer Science 2021-01-12 Xin Li , Xin Jin , Tao Yu , Yingxue Pang , Simeng Sun , Zhizheng Zhang , Zhibo Chen