Andy W. H. Khong

Most-cited papers

Reducing Language Confusion for Code-Switching Speech Recognition with Token-Level Language Diarization
Hexin Liu, Hai-Hua Xu, Leibny Paola García, Andy W. H. Khong +2 more
2022IEEE International Conference on Acoustics, Speech, and Signal Processing47 citations Open access
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Multisource DOA Estimation in a Reverberant Environment Using a Single Acoustic Vector Sensor
Kai Wu, V. G. Reju, Andy W. H. Khong
2018IEEE/ACM Transactions on Audio Speech and Language Processing42 citations
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End-to-End Language Diarization for Bilingual Code-Switching Speech
Hexin Liu, Leibny Paola Garcia Perera, Xinyi Zhang, J. Dauwels +3 more
2021Interspeech36 citations Open access
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Tunet: A Block-Online Bandwidth Extension Model Based On Transformers And Self-Supervised Pretraining
Viet-Anh Nguyen, Anh H. T. Nguyen, Andy W. H. Khong
2021IEEE International Conference on Acoustics, Speech, and Signal Processing35 citations Open access
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Aligning Speech to Languages to Enhance Code-Switching Speech Recognition
Hexin Liu, Xiangyu Zhang, Haoyang Zhang, L. P. Garcia-Perera +3 more
2024IEEE Transactions on Audio, Speech, and Language Processing33 citations Open access
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Enhancing Code-Switching Speech Recognition With Interactive Language Biases
Hexin Liu, Leibny Paola García, Xiangyu Zhang, Andy W. H. Khong +1 more
2023IEEE International Conference on Acoustics, Speech, and Signal Processing32 citations Open access
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An Iterative Implementation-Based Approach for Joint Source Localization and Association Under Multipath Propagation Environments
Yuan Liu, Zhi-Wei Tan, Andy W. H. Khong, Hongzhi Liu
2023IEEE Transactions on Signal Processing31 citations
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Efficient Self-Supervised Learning Representations for Spoken Language Identification
Hexin Liu, Leibny Paola García-Perera, Andy W. H. Khong, E. Chng +2 more
2022IEEE Journal on Selected Topics in Signal Processing30 citations
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Unambiguous Speech DOA Estimation Under Spatial Aliasing Conditions
Vinod V. Reddy, Andy W. H. Khong, B. Ng
2014IEEE/ACM Transactions on Audio Speech and Language Processing29 citations
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Localization of Taps on Solid Surfaces for Human-Computer Touch Interfaces
V. G. Reju, Andy W. H. Khong, A. Sulaiman
2013IEEE transactions on multimedia29 citations Open access
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Hybrid Method Based on Random Convolution Nodes for Short-Term Wind Speed Forecasting
S. Tatinati, Yubo Wang, Andy W. H. Khong
2020IEEE Transactions on Industrial Informatics28 citations
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An Efficient Dilated Convolutional Neural Network for UAV Noise Reduction at Low Input SNR
Zhi-Wei Tan, Anh H. T. Nguyen, Andy W. H. Khong
2019Asia-Pacific Signal and Information Processing Association Annual Summit and Conference28 citations Open access
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Convergence Analysis of Narrowband Feedback Active Noise Control System With Imperfect Secondary Path Estimation
Liang Wang, Woon-Seng Gan, Andy W. H. Khong, S. Kuo
2013IEEE Transactions on Audio, Speech, and Language Processing24 citations
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ViKIENet: Towards Efficient 3D Object Detection with Virtual Key Instance Enhanced Network
Zhu Yu, Bijie Qiu, Andy W. H. Khong
2025Computer Vision and Pattern Recognition23 citations
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MERLIon CCS Challenge: A English-Mandarin code-switching child-directed speech corpus for language identification and diarization
Yi Han Victoria Chua, Hexin Liu, Leibny Paola García, Ting-Wo-On Fei +6 more
2023Interspeech23 citations Open access
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Insights Into MUSIC-Like Algorithm
Vinod V. Reddy, B. Ng, Andy W. H. Khong
2013IEEE Transactions on Signal Processing23 citations
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A Forced Spectral Diversity Algorithm for Speech Dereverberation in the Presence of Near-Common Zeros
Xiang Lin, Andy W. H. Khong, P. Naylor
2012IEEE Transactions on Audio, Speech, and Language Processing23 citations
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A Linear Source Recovery Method for Underdetermined Mixtures of Uncorrelated AR-Model Signals Without Sparseness
Benxu Liu, V. G. Reju, Andy W. H. Khong
2014IEEE Transactions on Signal Processing22 citations Open access
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Iterative Implementation Method for Robust Target Localization in a Mixed Interference Environment
Yuan Liu, Xianggen Xia, Hong-Wei Liu, Anh H. T. Nguyen +1 more
2021IEEE Transactions on Geoscience and Remote Sensing21 citations Open access
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PHO-LID: A Unified Model Incorporating Acoustic-Phonetic and Phonotactic Information for Language Identification
Hexin Liu, L. P. Garcia-Perera, Andy W. H. Khong, S. Styles +1 more
2022Interspeech18 citations Open access
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On the use of the quaternion generalized Gaussian distribution for footstep detection
D. Venkatraman, Vinod V. Reddy, Andy W. H. Khong
2013IEEE International Conference on Acoustics, Speech, and Signal Processing18 citations
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Gridless DOA Estimation Using Complex-Valued Convolutional Neural Network With Phasor Normalization
Zhi-Wei Tan, Yuan Liu, Andy W. H. Khong, Anh H. T. Nguyen
2023IEEE Signal Processing Letters17 citations
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Toward the Automatic Labeling of Course Questions for Ensuring their Alignment with Learning Outcomes
S. Supraja, Kevin Hartman, S. Tatinati, Andy W. H. Khong
2017Educational Data Mining17 citations
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Swarm Intelligence Based Particle Filter for Alternating Talker Localization and Tracking Using Microphone Arrays
Kai Wu, V. G. Reju, Andy W. H. Khong, Shu Ting Goh
2017IEEE/ACM Transactions on Audio Speech and Language Processing17 citations Open access
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Speaker localization and tracking in the presence of sound interference by exploiting speech harmonicity
Kai Wu, Shu Ting Goh, Andy W. H. Khong
2013IEEE International Conference on Acoustics, Speech, and Signal Processing16 citations
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A Touch Interface Exploiting Time-Frequency Classification Using Zak Transform for Source Localization on Solids
Kattukandy Rajan Arun, XueXin Yap, Andy W. H. Khong
2011IEEE transactions on multimedia16 citations
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Multi-source direction-of-arrival estimation in a reverberant environment using single acoustic vector sensor
Kai Wu, V. G. Reju, Andy W. H. Khong
2015IEEE International Conference on Acoustics, Speech, and Signal Processing15 citations
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On the performance of widely linear quaternion based MVDR beamformer for an acoustic vector sensor
Jiuwen Cao, Andy W. H. Khong, S. Gannot
2014International Workshop on Acoustic Signal Enhancement14 citations
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Grade Prediction From Multi-Valued Click-Stream Traces via Bayesian-Regularized Deep Neural Networks
K. H. Ng, S. Tatinati, Andy W. H. Khong
2021IEEE Transactions on Signal Processing13 citations
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Improving Performance of Real-Time Full-Band Blind Packet-Loss Concealment with Predictive Network
Viet-Anh Nguyen, Anh H. T. Nguyen, Andy W. H. Khong
2022IEEE International Conference on Acoustics, Speech, and Signal Processing12 citations Open access
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DOA estimation of wideband sources without estimating the number of sources
Vinod V. Reddy, B. Ng, Y. Zhang, Andy W. H. Khong
2012Signal Processing12 citations
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A Linear Neural Network-Based Approach to Stereophonic Acoustic Echo Cancellation
M. Bekrani, Andy W. H. Khong, M. Lotfizad
2011IEEE Transactions on Audio, Speech, and Language Processing12 citations
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Quad-Tier Entity Fusion Contrastive Representation Learning for Knowledge Aware Recommendation System
Rongqing Kenneth Ong, Wei Qiu, Andy W. H. Khong
2023International Conference on Information and Knowledge Management11 citations Open access
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End-to-end speech emotion recognition using multi-scale convolution networks
Tatinati Sivanagaraja, Mun-Kit Ho, Andy W. H. Khong, Yubo Wang
2017Asia-Pacific Signal and Information Processing Association Annual Summit and Conference11 citations Open access
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Multichannel Equalization in the KLT and Frequency Domains With Application to Speech Dereverberation
Rajan S. Rashobh, Andy W. H. Khong, Di Liu
2014IEEE/ACM Transactions on Audio Speech and Language Processing11 citations
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Context-Based Data Model for Effective Real-Time Learning Analytics
Kai Liu, S. Tatinati, Andy W. H. Khong
2020IEEE Transactions on Learning Technologies9 citations
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A Weighted Feature Extraction Technique Based on Temporal Accumulation of Learner Behavior Features for Early Prediction of Dropouts
Kai Liu, S. Tatinati, Andy W. H. Khong
2020International Conference on Teaching, Assessment, and Learning for Engineering9 citations
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A GMM Post-Filter for Residual Crosstalk Suppression in Blind Source Separation
Benxu Liu, V. G. Reju, Andy W. H. Khong, Vinod V. Reddy
2014IEEE Signal Processing Letters9 citations Open access
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Adaptive Channel Equalization of Room Acoustics Exploiting Sparseness Constraint
Lei Liao, Andy W. H. Khong
2011IEEE Signal Processing Letters9 citations
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Joint Source Localization and Association Through Overcomplete Representation Under Multipath Propagation Environment
Yuan Liu, Zhi-Wei Tan, Andy W. H. Khong, Hong-Wei Liu
2022IEEE International Conference on Acoustics, Speech, and Signal Processing8 citations
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Regularized Phrase-Based Topic Model for Automatic Question Classification With Domain-Agnostic Class Labels
S. Supraja, Andy W. H. Khong, S. Tatinati
2021IEEE/ACM Transactions on Audio Speech and Language Processing8 citations
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Sound Source Localization and Tracking
Kai Wu, Andy W. H. Khong
2016Context Aware Human-Robot and Human-Agent Interaction8 citations
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Directional Sparse Filtering for Blind Estimation of Under-Determined Complex-Valued Mixing Matrices
Anh H. T. Nguyen, V. G. Reju, Andy W. H. Khong
2020IEEE Transactions on Signal Processing7 citations Open access
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Online Education Evaluation for Signal Processing Course Through Student Learning Pathways
K. H. Ng, S. Tatinati, Andy W. H. Khong
2018IEEE International Conference on Acoustics, Speech, and Signal Processing7 citations Open access
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Direction-of-arrival estimation of speech sources under aliasing conditions
Vinod V. Reddy, Andy W. H. Khong
2015IEEE International Conference on Acoustics, Speech, and Signal Processing7 citations
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Convergence analysis of clipped input adaptive filters applied to system identification
M. Bekrani, Andy W. H. Khong
2012Asilomar Conference on Signals, Systems and Computers7 citations
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Multichannel Noise Reduction Using Dilated Multichannel U-Net and Pre-Trained Single-Channel Network
Zhi-Wei Tan, Anh H. T. Nguyen, Yuan Liu, Andy W. H. Khong
2022IEEE International Conference on Acoustics, Speech, and Signal Processing6 citations
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Beamforming techniques using microphone arrays
Rohith Mars, V. G. Reju, Andy W. H. Khong, Yusuke Hioka +1 more
20186 citations
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Learning complex-valued latent filters with absolute cosine similarity
Anh H. T. Nguyen, V. G. Reju, Andy W. H. Khong, I. Soon
2017IEEE International Conference on Acoustics, Speech, and Signal Processing6 citations
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Source localization on solids utilizing time-frequency analysis of parameterized warped signals
Arun R. Kattukandy, V. G. Reju, Andy W. H. Khong
2014IEEE International Conference on Acoustics, Speech, and Signal Processing6 citations
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