activity
20222026
most citedAn efficient encoder-decoder architecture with top-down attention for speech separation

16 citations · 21 across the 10 of their papers we have counts for

collaborators

10 papers

cs.CV2026

Difference-Driven Gating: Adaptive Feature Fusion for U-Net Decoder

Kai Li, Xuechao Zou, Jiashen Fu +3

The U-Net style models have been widely used in many applications. A critical step in these models is to reconstruct the lower-level features using a top-down decoder. This reconst…

cs.SD2025

Efficient Audio-Visual Speech Separation with Discrete Lip Semantics and Multi-Scale Global-Local Attention

Kai Li, Kejun Gao, Xiaolin Hu

Audio-visual speech separation (AVSS) methods leverage visual cues to extract target speech and have demonstrated strong separation quality in noisy acoustic environments. However,…

cs.SD2025

A Fast and Lightweight Model for Causal Audio-Visual Speech Separation

Wendi Sang, Kai Li, Runxuan Yang +2

Audio-visual speech separation (AVSS) aims to extract a target speech signal from a mixed signal by leveraging both auditory and visual (lip movement) cues. However, most existing…

cs.SD2024★ 3 cited

TDFNet: An Efficient Audio-Visual Speech Separation Model with Top-down Fusion

Samuel Pegg, Kai Li, Xiaolin Hu

Audio-visual speech separation has gained significant traction in recent years due to its potential applications in various fields such as speech recognition, diarization, scene an…

cs.SD2023★ 1 cited

RTFS-Net: Recurrent Time-Frequency Modelling for Efficient Audio-Visual Speech Separation

Samuel Pegg, Kai Li, Xiaolin Hu

Audio-visual speech separation methods aim to integrate different modalities to generate high-quality separated speech, thereby enhancing the performance of downstream tasks such a…

cs.SD2023

IIANet: An Intra- and Inter-Modality Attention Network for Audio-Visual Speech Separation

Kai Li, Runxuan Yang, Fuchun Sun +1

Recent research has made significant progress in designing fusion modules for audio-visual speech separation. However, they predominantly focus on multi-modal fusion at a single te…

eess.AS2023

Audio-Visual Speech Separation in Noisy Environments with a Lightweight Iterative Model

Héctor Martel, Julius Richter, Kai Li +2

We propose Audio-Visual Lightweight ITerative model (AVLIT), an effective and lightweight neural network that uses Progressive Learning (PL) to perform audio-visual speech separati…

cs.SD2022★ 1 cited

An Audio-Visual Speech Separation Model Inspired by Cortico-Thalamo-Cortical Circuits

Kai Li, Fenghua Xie, Hang Chen +2

Audio-visual approaches involving visual inputs have laid the foundation for recent progress in speech separation. However, the optimization of the concurrent usage of auditory and…

cs.SD2022★ 16 cited

An efficient encoder-decoder architecture with top-down attention for speech separation

Kai Li, Runxuan Yang, Xiaolin Hu

Deep neural networks have shown excellent prospects in speech separation tasks. However, obtaining good results while keeping a low model complexity remains challenging in real-wor…

cs.SD2022

On the Use of Deep Mask Estimation Module for Neural Source Separation Systems

Kai Li, Xiaolin Hu, Yi Luo

Most of the recent neural source separation systems rely on a masking-based pipeline where a set of multiplicative masks are estimated from and applied to a signal representation o…