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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

Recently, Transformer-based architecture has been introduced into single image deraining task due to its advantage in modeling non-local information. However, existing approaches tend to integrate global features based on a dense…

Computer Vision and Pattern Recognition · Computer Science 2023-08-16 Zhentao Fan , Hongming Chen , Yufeng Li

Attention mechanism has been widely utilized in speech enhancement (SE) because theoretically it can effectively model the long-term inherent connection of signal both in time domain and spectrum domain. However, the generally used global…

Sound · Computer Science 2023-02-14 Zhongshu Hou , Qinwen Hu , Kai Chen , Jing Lu

Transformer neural networks (TNN) demonstrated state-of-art performance on many natural language processing (NLP) tasks, replacing recurrent neural networks (RNNs), such as LSTMs or GRUs. However, TNNs did not perform well in speech…

Audio and Speech Processing · Electrical Eng. & Systems 2020-02-12 Jaeyoung Kim , Mostafa El-Khamy , Jungwon Lee

Existing causal speech separation models often underperform compared to non-causal models due to difficulties in retaining historical information. To address this, we propose the Time-Frequency Attention Cache Memory (TFACM) model, which…

Sound · Computer Science 2025-05-20 Guo Chen , Kai Li , Runxuan Yang , Xiaolin Hu

Large Language Models (LLMs) have demonstrated remarkable capabilities across a wide range of natural language processing tasks. These capabilities stem primarily from the self-attention mechanism, which enables modeling of long-range…

Computation and Language · Computer Science 2026-01-05 Zeng You , Yaofo Chen , Shuhai Zhang , Zhijie Qiu , Tingyu Wu , Yingjian Li , Yaowei Wang , Mingkui Tan

Speech separation always faces the challenge of handling prolonged time sequences. Past methods try to reduce sequence lengths and use the Transformer to capture global information. However, due to the quadratic time complexity of the…

Audio and Speech Processing · Electrical Eng. & Systems 2025-08-28 Haoxu Wang , Yiheng Jiang , Gang Qiao , Pengteng Shi , Biao Tian

Self-attention networks (SAN) have been introduced into automatic speech recognition (ASR) and achieved state-of-the-art performance owing to its superior ability in capturing long term dependency. One of the key ingredients is the…

Audio and Speech Processing · Electrical Eng. & Systems 2019-10-30 Zhao You , Dan Su , Jie Chen , Chao Weng , Dong Yu

Self-attention models have been successfully applied in end-to-end speech recognition systems, which greatly improve the performance of recognition accuracy. However, such attention-based models cannot be used in online speech recognition,…

Audio and Speech Processing · Electrical Eng. & Systems 2021-02-24 Jian Luo , Jianzong Wang , Ning Cheng , Jing Xiao

Accurate direction-of-arrival (DOA) estimation for sound sources is challenging due to the continuous changes in acoustic characteristics across time and frequency. In such scenarios, accurate localization relies on the ability to aggregate…

Signal Processing · Electrical Eng. & Systems 2025-10-30 Qi You , Qinghua Huang , Yi-Cheng Lin

A number of deep learning based algorithms have been proposed to recover high-quality videos from low-quality compressed ones. Among them, some restore the missing details of each frame via exploring the spatiotemporal information of…

Image and Video Processing · Electrical Eng. & Systems 2021-08-13 Minyi Zhao , Yi Xu , Shuigeng Zhou

Transformer-based large language models (LLMs) excel in modeling complex language patterns but face significant computational costs during inference, especially with long inputs due to the attention mechanism's memory overhead. We observe…

Computation and Language · Computer Science 2024-10-18 Ruiqing Yan , Linghan Zheng , Xingbo Du , Han Zou , Yufeng Guo , Jianfei Yang

Initially developed for natural language processing (NLP), Transformer model is now widely used for speech processing tasks such as speaker recognition, due to its powerful sequence modeling capabilities. However, conventional…

Audio and Speech Processing · Electrical Eng. & Systems 2022-01-28 Rui Wang , Junyi Ao , Long Zhou , Shujie Liu , Zhihua Wei , Tom Ko , Qing Li , Yu Zhang

Transformer-based pre-trained models, such as BERT, have shown extraordinary success in achieving state-of-the-art results in many natural language processing applications. However, deploying these models can be prohibitively costly, as the…

Computation and Language · Computer Science 2022-03-18 Jing Zhao , Yifan Wang , Junwei Bao , Youzheng Wu , Xiaodong He

Speech super-resolution (SSR) enhances low-resolution speech by increasing the sampling rate. While most SSR methods focus on magnitude reconstruction, recent research highlights the importance of phase reconstruction for improved…

Accurate medical image segmentation requires effective modeling of both long-range dependencies and fine-grained boundary details. While transformers mitigate the issue of insufficient semantic information arising from the limited receptive…

Computer Vision and Pattern Recognition · Computer Science 2026-03-11 Yanxin Li , Hui Wan , Libin Lan

Speech enhancement in the time domain is becoming increasingly popular in recent years, due to its capability to jointly enhance both the magnitude and the phase of speech. In this work, we propose a dense convolutional network (DCN) with…

Audio and Speech Processing · Electrical Eng. & Systems 2021-03-09 Ashutosh Pandey , DeLiang Wang

Decoding speech from brain signals is a challenging research problem. Although existing technologies have made progress in reconstructing the mel spectrograms of auditory stimuli at the word or letter level, there remain core challenges in…

Sound · Computer Science 2025-08-12 Cunhang Fan , Sheng Zhang , Jingjing Zhang , Enrui Liu , Xinhui Li , Gangming Zhao , Zhao Lv

Many natural language processing tasks solely rely on sparse dependencies between a few tokens in a sentence. Soft attention mechanisms show promising performance in modeling local/global dependencies by soft probabilities between every two…

Computation and Language · Computer Science 2018-07-06 Tao Shen , Tianyi Zhou , Guodong Long , Jing Jiang , Sen Wang , Chengqi Zhang

Self-attention (SA) mechanisms can capture effectively global dependencies in deep neural networks, and have been applied to natural language processing and image processing successfully. However, SA modules for image reconstruction have…

Computer Vision and Pattern Recognition · Computer Science 2019-05-21 Zheng Wang , Jianwu Li , Ge Song , Tieling Li