Author |
Title |
Year |
Journal/Proceedings |
Reftype |
DOI/URL/PDF |
Keywords |
|---|---|---|---|---|---|---|
| S. Supraja, A. W. H. Khong | Quad-faceted feature-based graph network for domain-agnostic text classification to enhance learning effectiveness | 2024 | IEEE Trans. Computational Social Systems | Journal | DOI
Research Gate |
natural language processing, learning analytics |
| W. Qiu, A. W. H. Khong, S. Supraja, W, Tang | A dual-mode grade prediction architecture for identifying at-risk students | 2024 | IEEE Trans. Learning Technologies | Journal | DOI
Research Gate |
machine learning, learning analytics, grade prediction |
| K. R. Ong, A. W. H. Khong | Spectrum-based modality representation fusion graph convolutional network for multi-modal recommendation | 2024 | ACM Int'l Conf. on Web Search and Data Mining (WSDM) | Conference | machine learning, signal processing, recommendation systems | |
| W. Qiu, A. W. H. Khong, F. S. Lim | Enhanced student-graph representation for at-risk student detection | 2024 | Proc. Int'l Symposium on Circuits and Systems (ISCAS) | Conference | invited paper | machine learning, learning analytics, grade prediction |
| H.-W. Chun, K. R. Ong, A. W. H. Khong | Reasonable sense of direction: Making course recommendations understandable with LLMs | 2024 | Proc. Proc. IEEE Midwest Symposium on Circuits and Systems (MWSCAS) | Conference | invited paper | machine learning, learning analytics, recommendation system |
| Z.-W. Tan, Y. Liu, A. W. H. Khong, A. H. T. Nguyen | Gridless DOA estimation using complex-valued convolutional neural network with phasor normalization | 2023 | IEEE Signal Processing Letters | Journal | DOI
Research Gate |
array signal processing, source localization |
| Z.-W. Tan, Y. Liu, A. W. H. Khong, | An iterative implementation-based approach for joint source localization and association under multipath propagation environments | 2023 | IEEE Trans. Signal Processing | Journal | DOI
Research Gate |
array signal processing, source localization |
| K. R. Ong, W. Qiu, A. W. H. Khong | Quad-tier entity fusion contrastive representation learning for knowledge aware recommendation system | 2023 | Proc. ACM Int'l Conf. Information and Knowledge Management (CIKM) | Conference | ACM Access | machine learning, recommendation system |
| V. Chua, H. Liu, L. Perera, F.-T. Woon, JY Wong, X. Zhang, S. Khudanpur, A. W. H. Khong, J. Dauwels, S. Styles | A English-Mandarin code-switching child-directed speech corpus for language identification and diarization | 2023 | Proc. Interspeech | Conference | speech processing, machine learning | |
| S. Styles, V. Chua, F.-T. Woon, H. Liu, L. Perera, S. Khudanpur, A. W. H. Khong, J. Dauwels | Investigating model performance in language identification: beyond simple error statistics | 2023 | Proc. Interspeech | Conference | speech processing, machine learning | |
| V.-A. Nguyen, A. H. T. Nguyen, A. W. H. Khong | Improving performance of real-time full-band blind packet-loss concealment with predictive network | 2023 | Proc. IEEE Int. Conf. Acoust. Speech Signal Process. (ICASSP) | Conference | speech processing, machine learning | |
| H. Liu, H. Xu, L. Perera, A. W. H. Khong, Y. He, S. Khudanpur | Reducing language confusion for code-switching speech recognition with token-level language diarization | 2023 | Proc. IEEE Int. Conf. Acoust. Speech Signal Process. (ICASSP) | Conference | speech processing, machine learning | |
| H. Liu, L. P. G. Perera, A. W. H. Khong, E.-S. Chng, S. J. Styles, S. Khudanpur | Efficient self-supervised learning representations for spoken language identification | 2022 | IEEE Trans. Selected Topics in Signal Processing | Journal | DOI
Research Gate |
machine learning, speech processing |
| H. Liu, L. Perera, X. Zhang, J. Dauwels, A. W. H. Khong, S. Khudanpur, S. Styles | PHO-LID: A unified model incorporating aoustic-phonetic and phonotactic information for language identification | 2022 | Proc. Interspeech | Conference | Interspeech | language processing, machine learning |
| S. Supraja, F. S. Lim, S. Tan, S. Y. Ho, B.-K. Ng, A. W. H. Khong | Examining student innovative behaviour in undergraduate makerspace-based courses via industry-based entrepreneurial framework | 2022 | Proc. IEEE International Conference on Education, Research, and Innovation | Conference | education, creativity, innovation | |
| S. Supraja, S. Tan, F.-S. Lim, B.-K. Ng, S.-Y. Ho, A. W. H. Khong | Role of instructors to enhance student experience in undergraduate makerspaces | 2022 | Proc. IEEE International Conference on Teaching, Assessment, and Learning for Engineering (TALE) | Conference | education, creativity, innovation | |
| Z.-W. Tan, Y. Liu, A. W. H. Khong | A dilated inception convolutional neural network for gridless DOA estimation under low SNR scenarios | 2022 | Proc. Asia Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA-ASC) | Conference | invited paper | acoustic signal processing, speech enhancement, machine learning |
| S. Supraja, F.-S. Lim, S. Tan, B.-K. Ng, S.-Y. Ho, A. W. H. Khong | Freshmen Orientation Program Using Minecraft: Designed by Students for Students during the Covid-19 Pandemic | 2022 | Proc. IEEE Frontiers in Education (FIE) | Conference | education, creativity, innovation | |
| H. Liu, L. Perera, A. W. H. Khong, J. Dauwels, S. Khudanpur, S. Styles | Enhancing language identification using dual-mode model with knowledge distillation | 2022 | Proc. Odyssey | Conference | machine learning, language procesing | |
| W. Qiu, S. Supraja, A. W. H. Khong | Toward better grade prediction via A2GP - An academic achievement inspired predictive model | 2022 | Proc. Educational Data Mining (EDM) | Conference | full-paper 8 pages | learning analytics, machine learning |
| J. Li, W. Qiu, S. Supraja, A. W. H. Khong | Grade prediction via text mining from course descriptions: Content and learning outcomes | 2022 | Proc. Educational Data Mining (EDM) | Conference | learning analytics, machine learning | |
| Z.-W. Tan, A. H. T. Nguyen, Y. Liu, A. W. H. Khong | Multichannel noise reduction using dilated multichannel U-net and pre-trained single-channel network | 2022 | Proc. IEEE Int. Conf. Acoust. Speech Signal Process. (ICASSP) | Conference | speech enhancement, machine learning | |
| Y. Liu, Z.-W. Tan, A. W. H. Khong, H. Liu | Joint source localization and association through overcomplete representation under multipath propagation environment | 2022 | Proc. IEEE Int. Conf. Acoust. Speech Signal Process. (ICASSP) | Conference | signal proccessing | |
| V.-A. Nguyen, A. H. T. Nguyen, A. W. H. Khong | Tunet: A block-online bandwidth extension model based on transformers and self-supervised pretraining | 2022 | Proc. IEEE Int. Conf. Acoust. Speech Signal Process. (ICASSP) | Conference | speech processing, machine learning | |
| S. Supraja, F.-S. Lim, S. Tan, S.-Y. Ho, B.-K. Ng, A. W. H. Khong | Factors impacting students’ creativity-related self-efficacy in an undergraduate makerspace-based course | 2022 | Proc. IEEE Global Engg. Edu. Conf. (EDUCON) | Conference | education, creativity, innovation | |
| Y. Liu, X.-G. Xia, H. Liu, A. H. T. Nguyen, A. W. H. Khong | Iterative implementation method for robust target localization in a mixed interference environment | 2021 | IEEE Trans. Geoscience and Remote Sensing | Journal | DOI
Research Gate |
signal processing |
| S. Supraja, A. W. H. Khong, S. Tatinati | Regularized phrase-based topic model for automatic question classification with domain-agnostic class labels | 2021 | IEEE Trans. Audio, Speech and Language Processing | Journal | DOI
Research Gate |
machine learning, natural language processing (NLP) |
| K. H. R. Ng, S. Tatinati, A. W. H. Khong | Grade prediction from multi-valued click-stream traces via Bayesian-regularized deep neural networks | 2021 | IEEE Trans. Signal Processing | Journal | DOI
Research Gate |
machine learning, learning analytics |
| H. Liu, L. Perera, X. Zhang, J. Dauwels, A. W. H. Khong, S. Khudanpur, S. Styles | End-to-end language diarization for bilingual code-switching speech | 2021 | Proc. Interspeech | Conference | language processing, machine learning | |
| K. Watcharasupat, A. H. T. Nguyen, C. H. Ooi, A. W. H. Khong | Directional sparse filtering using weighted Lehmer mean for blind separation of unbalanced speech mixtures | 2021 | Proc. IEEE Int. Conf. Acoust. Speech Signal Process. (ICASSP) | Conference | acoustic signal processing, speech enhancement | |
| M. Bekrani, A. H. T. Nguyen, A. W. H. Khong | An adaptive non-linear process for under-determined virtual microphone beamforming | 2021 | Proc. IEEE Int. Conf. Acoust. Speech Signal Process. (ICASSP) | Conference | acoustic signal processing, speech enhancement | |
| S. Tatinati, Y. Wang, A. W. H. Khong | A hybrid method based on random convolution nodes for short-term wind speed forecasting | 2020 | IEEE Trans. Industrial Informatics | Journal | DOI | machine learning |
| A. H. T. Nguyen, V. G. Reju, A. W. H. Khong | Directional sparse filtering for blind estimation of under-determined complex-valued mixing matrices | 2020 | IEEE Trans. Signal Processing | Journal | DOI
Research Gate |
acoustic signal processing, blind source separation |
| K. Liu, S. Tatinati, A. W. H. Khong | Context-based data model for effective real-time learning analytics | 2020 | IEEE Trans. Learning Technologies | Journal | DOI
Research Gate |
learning analytics |
| Z.-W. Tan, A. H. T. Nguyen, L. T. T. Tran, A. W. H. Khong | A joint-loss approach for speech enhancement via single-channel neural network and MVDR beamformer | 2020 | Proc. Asia Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA-ASC) | Conference | invited paper | acoustic signal processing, speech enhancement, machine learning |
| K. Liu, S. Tatinati, A. W. H. Khong | A weighted feature extraction technique based on temporal accumulation of learner behavior features for early prediction of dropouts | 2020 | Proc. IEEE International Conference on Teaching, Assessment, and Learning for Engineering (TALE) | Conference | machine learning, learning analytics | |
| Z. Chao, S. Tatinati, A. W. H. Khong | Controllable question generation with introduction of auxiliary information | 2020 | Proc. IEEE International Joint Conference on Neural Networks/IEEE World Congress on Computational Intelligence (IJCNN) | Conference | machine learning, natural language processing (NLP) | |
| M. K. Ho, S. Tatinati, A. W. H. Khong | Distilling essence of a question: a hierarchical architecture for question quality in community question answering sites | 2020 | Proc. IEEE International Joint Conference on Neural Networks/IEEE World Congress on Computational Intelligence (IJCNN) | Conference | machine learning, natural language processing (NLP) | |
| M. Bekrani, A. W. H. Khong | A delayless sub-band PNLMS adaptive filter for sparse channel identification | 2020 | Proc. IEEE Iranian Conference on Electrical Engineering (ICEE) | Conference | acoustic signal processing, adaptive filtering | |
| Z.-W. Tan, A. H. T. Nguyen, A. W. H. Khong | An efficient dilated convolutional neural network for UAV noise reduction at low input SNR | 2019 | Proc. Asia Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA-ASC) | Conference | acoustic signal processing, speech enhancement, machine learning | |
| A. H. T. Nguyen, V. G. Reju, A. W. H. Khong | A method based on L-BFGS to solve constrained complex-valued ICA | 2019 | Proc. IEEE Int. Conf. Acoust. Speech Signal Process. (ICASSP) | Conference | acoustic signal processing, blind source separation | |
| K. Wu, V. G. Reju, A. W. H. Khong | Multisource DOA estimation in a reverberant environment using a single acoustic vector sensor | 2018 | IEEE Trans. Audio, Speech and Language Processing | Journal | DOI
Research Gate |
acoustic signal processing, DOA estimation |
| D. Venkatraman, A. W. H. Khong | Directional statistics approach based on instantaneous rotational parameters of tri-axial trajectories for footstep detection | 2018 | Circuits, Systems and Signal Process. | Journal | DOI | vibration signal processing, detection |
| V. G. Reju, R. S. Rashobh, A. H. T. Nguyen, A. W. H. Khong | An efficient multi-source DOA estimation algorithm for underdetermined system | 2018 | Int. Workshop on Acoustic Echo and Noise Control (IWAENC) | Conference | acoustic signal processing, DOA estimation | |
| W. Qiu, A. W. H. Khong, W. P. Tay | Hidden Markov Model for masquerade detection based on sequence alignment | 2018 | Proc. IEEE Cyber Science and Technology Congress | Conference | signal detection | |
| S Supraja, S. Tatinati, K. Hartman, A. W. H. Khong | Automatically linking digital signal processing assessment questions to key engineering outcomes | 2018 | Proc. IEEE Int. Conf. Acoust. Speech Signal Process. (ICASSP) | Conference | machine learning, natural language processing (NLP) | |
| K. H. R. Ng, S. Tatinati, A. W. H. Khong | Online education evaluation for signal processing course through student learning pathways | 2018 | Proc. IEEE Int. Conf. Acoust. Speech Signal Process. (ICASSP) | Conference | machine learning, learning analytics | |
| Q.-H. Nguyen, V. G. Reju, A. W. H. Khong | Impact localization on rigid surfaces using Hermitian angle distribution for human-computer interface applications | 2018 | IEEE Trans. Multimedia | Journal | DOI | vibration signal processing, source localization |
| N.-Q. Hanh, V. G. Reju, A. W. H. Khong | Location template matching on rigid surfaces for human-computer touch interface applications | 2018 | Recent advances in information, communications and signal processing | Book Chapter | vibration signal processing, source localization | |
| K. Wu, V. G. Reju, A. W. H. Khong, S.-T. Goh | Swarm intelligence based particle filter for alternating talker localization and tracking using microphone arrays | 2017 | IEEE Trans. Audio, Speech and Language Processing | Journal | DOI | acoustic signal processing, source localization |
| K. Ng, K. Hartman, N. Goodkin, A. W. H. Khong | Mining for preparatory processes of transfer learning in a blended course | 2017 | American Geophysical Union Meeting | Conference | machine learning, learning analytics | |
| T. Sivanagaraja, M. K. Ho, Y. Wang, A. W. H. Khong | End-to-end speech emotion recognition using multi-scale convolution networks | 2017 | Asia Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA-ASC) | Conference | machine learning, signal classification | |
| Y. Wang, T. Sivanagaraja, L. Huang, K.- J. Hong, K. C. Veluvolu, A. W. H. Khong | Predictive local receptive fields based respiratory motion tracking for motion-adaptive radiotherapy | 2017 | Proc. IEEE Int'l Conf. Engineering Medicine & Biology Soc. (EMBC) | Conference | machine learning | |
| S Supraja, K. Hartman, S. Tatinati, A. W. H. Khong | Development of expertise through deliberate practice: A machine learning approach to automatically classify questions aligned with learning outcomes | 2017 | Proc. Education Data Mining (EDM) | Conference | full-paper 8 pages | machine learning, natural language processing (NLP) |
| Q.-H. Nguyen, V. G. Reju, A. W. H. Khong | On TOA estimation of vibration signals for localizing impacts on solid surfaces | 2017 | Proc. IEEE Int. Conf. Acoust. Speech Signal Process. (ICASSP) | Conference | vibration signal processing, source localization | |
| A. H. T. Nguyen, V. G. Reju, A. W. H. Khong, I.-Y. Soon | Learning complex-valued latent filters with absolute cosine similarity | 2017 | Proc. IEEE Int. Conf. Acoust. Speech Signal Process. (ICASSP) | Conference | acoustic signal processing, blind source separation | |
| M. Bekrani, A. W. H. Khong | A robust MINT equalization algorithm based on near-common zero concept | 2017 | Proc. Iranian Conf. Electrical Engineering (ICEE) | Conference | acoustic signal processing, speech enhancement | |
| K. H. R. Ng, K. Hartman, K. Liu, A. W. H. Khong | Modelling the way: Using action sequence archetypes to differentiate learning pathways from learning outcomes | 2016 | Proc. Education Data Mining (EDM) | Conference | full-paper 8 pages | machine learning, learning analytics |
| Q.-H. Nguyen, V. G. Reju, A. W. H. Khong | Source localization on solids utilizing logistic modeling of energy transition in vibration signals | 2016 | Proc. IEEE Int. Conf. Acoust. Speech Signal Process. (ICASSP) | Conference | vibration signal processing, source localization | |
Q.-H. Nguyen, V. G. Reju, A. W. H. Khong |
Noise robust source localization on solid surfaces |
2015 |
Proc. IEEE Conf. Information, Communications, Signal Processing (ICICS) |
Conference |
Best Paper Award |
vibration signal processing, source localization |
| H. Shen, V. G. Reju, A. W. H. Khong | Speech enhancement via covariance estimation using Hermitian angle in adaptive beamforming | 2015 | Proc. IEEE Digital Signal Process. (DSP) | Conference | acoustic signal processing, speech enhancement | |
| L. Liao, X.-L. Li, A. W. H. Khong | Analysis of the noise robustness problem and a new blind channel identification algorithm | 2015 | Proc. IEEE Digital Signal Process. (DSP) | Conference | acoustic signal processing, speech enhancement | |
| V. Reddy, A. W. H. Khong | Direction-of-arrival estimation of speech sources under aliasing conditions | 2015 | Proc. IEEE Int. Conf. Acoust. Speech Signal Process. (ICASSP) | Conference | acoustic signal processing, DOA estimation | |
| K. Wu, V. G. Reju, A. W. H. Khong | Multi-source direction-of-arrival estimation in a reverberant environment using single acoustic vector sensor | 2015 | Proc. IEEE Int. Conf. Acoust. Speech Signal Process. (ICASSP) | Conference | acoustic signal processing, DOA estimation | |
| K. Wu, V. G. Reju, A. W. H. Khong | Single-channel speech enhancement in a transient noise environment by exploiting speech harmonicity | 2015 | Proc. IEEE Int. Conf. Acoust. Speech Signal Process. (ICASSP) | Conference | acoustic signal processing, speech enhancement | |
| K. Wu, A. W. H. Khong | Sound source localization and tracking | 2015 | Context aware human-robot and human-agent interaction | Book Chapter | acoustic signal processing, localization and tracking | |
| V. Reddy, A. W. H. Khong, B. P. Ng | Unambiguous speech DOA estimation under spatial aliasing conditions | 2014 | IEEE Trans. Audio, Speech and Language Processing | Journal | DOI | acoustic signal processing, DOA estimation |
| B. Liu, V. G. Reju, A. W. H. Khong | A linear source recovery method for underdetermined mixtures of uncorrelated AR-model signals without sparseness | 2014 | IEEE Trans. Signal Process. | Journal | DOI | acoustic signal processing, blind source separation |
| B. Liu, V. G. Reju, A. W. H. Khong, V. Reddy | A GMM post-filter for residual crosstalk suppression in blind source separation | 2014 | IEEE Signal Processing Letters | Journal | DOI | acoustic signal processing, blind source separation |
| J. Cao, A. W. H. Khong, S. Gannot | On the performance of widely linear quaternion based MVDR beamformer for an acoustic vector sensor | 2014 | Proc. Int. Workshop on Acoustic Echo and Noise Control (IWAENC) | Conference | acoustic signal processing, speech enhancement | |
| R. Mars, V. G. Reju, A. W. H. Khong | A frequency-invariant fixed beamformer for speech enhancement | 2014 | Asia Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA-ASC) | Conference | acoustic signal processing, speech enhancement | |
| A. Kattukandy, V. G. Reju, A. W. H. Khong | Source localization on solids utilizing time-frequency analysis of parameterized warped signals | 2014 | Proc. IEEE Int. Conf. Acoust. Speech Signal Process. (ICASSP) | Conference | vibration signal processing, source localization | |
| M. Bekrani, A. W. H. Khong | Misalignment analysis and insights into the performance of clipped-input LMS with correlated Gaussian data | 2014 | Proc. IEEE Int. Conf. Acoust. Speech Signal Process. (ICASSP) | Conference | acoustic signal processing, adaptive filtering | |
| R. Rashobh, A. W. H. Khong | Adaptive multichannel equalization applied to room acoustics exploiting the sparsity of target response | 2014 | Proc. IEEE Int. Conf. Acoust. Speech Signal Process. (ICASSP) | Conference | acoustic signal processing, speech enhancement | |
| R. Rashobh, A. W. H. Khong | Multichannel equalization in the KLT and frequency domains with application to speech dereverberation | 2014 | IEEE Trans. Audio, Speech and Language Processing | Journal | DOI | acoustic signal processing, speech enhancement |
| L. Wang, W.-S. Gan, A. W. H. Khong, S. Kuo | Convergence analysis of narrowband feedback active noise control system with imperfect secondary-path estimation | 2013 | IEEE Trans. Audio, Speech and Language Processing | Journal | DOI | active noise control |
| V. G. Reju, A. W. H. Khong, A. Sulaiman | Localization of taps on solid surfaces for human-computer touch interfaces | 2013 | IEEE Trans. Multimedia | Journal | DOI | vibration signal processing, source localization |
| V. Reddy, B. P. Ng, A. W. H. Khong | Insights into MUSIC-like algorithm | 2013 | IEEE Trans. Signal Processing | Journal | DOI | acoustic signal processing, beamforming |
| L. Liao, A. W. H. Khong | An adaptive sub-system based algorithm for channel equalization in a SIMO system | 2013 | IEEE Trans. Circuits and Systems I | Journal | DOI | acoustic signal processing, speech enhancement |
| B. Liu, V. G. Reju, A. W. H. Khong | A preprocessing method for underdetermined convolutive blind source separation using single-source confidence measure | 2013 | Proc. IEEE Conf. Information, Communications, Signal Processing (ICICS) | Conference | acoustic signal processing, blind source separation | |
| M. S. Y. Aw, C. S. Lim, A. W. H. Khong | SmartDJ: An interactive music player for music discovery by similarity comparison | 2013 | Asia Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA-ASC) | Conference | multimedia processing | |
| K. Wu, A. W. H. Khong | Acoustic source tracking in reverberant environment using regional steered response power measurement | 2013 | Asia Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA-ASC) | Conference | acoustic signal processing, source tracking | |
| K. Wu, S. T. Goh, A. W. H. Khong | Speaker localization and tracking in the presence of sound interference by exploiting speech harmonicity | 2013 | Proc. IEEE Int. Conf. Acoust. Speech Signal Process. (ICASSP) | Conference | acoustic signal processing, source localization | |
| B. Liu, V. Reju, A. W. H. Khong | Underdetermined instantaneous blind source separation of sparse signals with temporal structure using the state-space model | 2013 | Proc. IEEE Int. Conf. Acoust. Speech Signal Process. (ICASSP) | Conference | acoustic signal processing, blind source separation | |
| D. Venkatraman, V. Reddy, A. W. H. Khong | On the use of the quaternion generalized Gaussian distribution for footstep detection | 2013 | Proc. IEEE Int. Conf. Acoust. Speech Signal Process. (ICASSP) | Conference | vibration signal processing, signal detection | |
| R. Sobhana, A. W. H. Khong | A multichannel time-domain subspace approach exploiting multiple time-delays for acoustic channel equalization | 2013 | Proc. IEEE Int. Conf. Acoust. Speech Signal Process. (ICASSP) | Conference | acoustic signal processing, speech enhancement | |
| R. S. Rashobh, A. W. H. Khong | A fast frequency-domain algorithm for equalizing acoustic impulse responses | 2012 | IEEE Signal Processing Letters | Journal | DOI | acoustic signal processing, speech enhancement |
| X. Lin, A. W. H. Khong, P. Naylor | A forced spectral diversity algorithm for speech dereverberation in the precence of near-common zeros | 2012 | IEEE Trans. Audio, Speech and Language Processing | Journal | DOI | acoustic signal processing, speech enhancement |
| V. V. Reddy, B. P. Ng, A. W. H. Khong | Derivative-constrained frequency-domain wideband DOA estimation | 2012 | Multidimensional Systems and Signal Processing | Journal | DOI | acoustic signal processing, DOA estimation |
| V. Reddy, B. P. Ng, Y. Zhang, A. W. H. Khong | DOA estimation of wideband sources without estimating the number of sources | 2012 | Signal Processing | Journal | DOI | acoustic signal processing, DOA estimation |
| M. Bekrani, A. W. H. Khong | Convergence analysis of clipped input adaptive filters applied to system identification | 2012 | Proc. IEEE Asilomar Conf. Signals, Systems and Computers | Conference | acoustic signal processing, speech enhancement | |
| R. S. Rashobh, A. W. H. Khong | A variable step-size multichannel equalization algorithm exploitung sparseness measure for room acoustics | 2012 | Proc. IEEE Int'l Symposium on Circuits and Systems (ISCAS) | Conference | invited paper | acoustic signal processing, speech enhancement |
| A. W. H. Khong, D. Venkatraman, V. Reddy | Instantaneous orbital phase using orientation quaternions for footstep detection | 2012 | Provisional patent US61/729,431 | Patent | vibration signal processing, signal detection | |
| K. Arun, X. Yap, A. W. H. Khong | A touch interface exploiting time-frequency classification using Zak transform for source localization on solids | 2011 | IEEE Trans. Multimedia | Journal | DOI | vibration signal processing, source localization |
| L. Liao, A. W. H. Khong | Adaptive channel equalization of room acoustics exploiting sparseness constraint | 2011 | IEEE Signal Processing Letters | Journal | DOI | acoustic signal processing, speech enhancement |
| M. Bekrani, A. W. H. Khong, M. Lotfizad | A linear neural network based approach for stereophonic acoustic echo cancellation | 2011 | IEEE Trans. Audio, Speech and Language Processing | Journal | DOI | acoustic signal processing, adaptive filtering |
| M. Bekrani, A. W. H. Khong, M. Lotfizad | A clipping-based selective-tap adaptive filtering approach to stereophonic acoustic echo cancellation | 2011 | IEEE Trans. Audio, Speech and Language Processing | Journal | DOI | acoustic signal processing, adaptive filtering |
| D. Venkatraman, V. Reddy, A. W. H. Khong, B. P. Ng | Polarization-cum-energy metric for footstep detection using vector-sensor | 2011 | Proc. IEEE Conf. Technologies for Homeland Security (HST) | Conference | DOI | vibration signal processing, signal detection |
| D. Venkatraman, V. Reddy, A. W. H. Khong, B. P. Ng | A study of the ambiguity problem in footstep bearing estimation using tri-axial geophone | 2011 | Proc. IEEE Conf. Information, Communications, Signal Processing (ICICS) | Conference | DOI | vibration signal processing, DOA estimation |
| R. S. Rashobh, D. Liu, A. W. H. Khong | An adaptive subspace based multichannel equalization algorithm for room acoustics equalization with sparseness constraint | 2011 | Proc. IEEE Conf. Information, Communications, Signal Processing (ICICS) | Conference | DOI | acoustic signal processing, speech enhancement |
| K. Arun, E. Ong, A. W. H. Khong | Source localization on solids using Kullback-Leibler discrimination information | 2011 | Proc. IEEE Conf. Information, Communications, Signal Processing (ICICS) | Conference | DOI | vibration signal processing, source localization |
| R. S. Rashobh, D. Liu, A. W. H. Khong | Adaptive multichannel equalization of room acoustics in the frequency domain | 2011 | Int. Conf. Signal Processing Systems (ICSPS) | Conference | acoustic signal processing, speech enhancement | |
| M. Bekrani, A. W. H. Khong | Performance analysis and insights into the clipped input adaptive filters applied to system identification | 2011 | Int. Conf. Signal Processing Systems (ICSPS) | Conference | acoustic signal processing, adaptive filtering | |
| B. Liu, V. G. Reju, A. W. H. Khong | Underdetermined blind speech separation using LPC and sparseness | 2011 | Int. Conf. Signal Processing Systems (ICSPS) | Conference | acoustic signal processing, blind source separation | |
| R. Li, M. Bekrani, A. W. H. Khong | Acoustic source reconstruction using efficient adaptive inverse approach | 2011 | Int. Conf. Signal Processing Systems (ICSPS) | Conference | acoustic signal processing, speech enhancement | |
| B. Liu, B. Ramachandran, A. W. H. Khong | A wavenumber-fitting extrapolation method for FFT-based near-field acoustic holography using microphone array | 2011 | Proc. IEEE Int. Conf. Acoust. Speech Signal Process. (ICASSP) | Conference | DOI | acoustic signal processing |
| L. Liao, A. W. H. Khong | Equalization of multichannel acoustic system using sub-systems for speech dereverberation | 2011 | Proc. IEEE Int. Conf. Acoust. Speech Signal Process. (ICASSP) | Conference | DOI | acoustic signal processing, speech enhancement |
| D. Liu, R. S. Rashobh, D. Liu, A. W. H. Khong, M. Yukawa | A subspace-based adaptive approach for multichannel equalization of room acoustics | 2011 | Proc. Asia Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA-ASC) | Conference | Weblink | acoustic signal processing, speech enhancement |
| D.-Q. Nguyen, W.-S. Gan, A. W. H. Khong | Time-reversal approach to the stereophonic acoustic echo cancellation problem | 2011 | IEEE Trans. Audio, Speech and Language Processing | Journal | DOI | acoustic signal processing, adaptive filtering |
| A. W. H. Khong, V. G. Reju, A. Sulaiman, K. Arun, W. S. Gan | Touch-point localization on solid plate surfaces via time-frequency analysis | 2011 | Provisional patent US61/507,717 | Patent | vibration signal processing, source localization | |
| R. Bremamanth, C. Veerabadran, A. W. H. Khong | Localizing and recognizing integral pitches of cheque document images | 2010 | International Journal of Information and Communication Engineering | Journal | Weblink | image signal processing |
| R. Li, A. W. H. Khong | Quadratic phase coupling analysis for infrasound vehicle detection | 2010 | Proc. IEEE Asia Pacific Conference on Circuits and Systems (APCCAS) | Conference | DOI | acoustic signal processing, signal detection |
| V. V. Reddy, V. Divya, A. W. H. Khong, B. P. Ng | Footstep detection and denoising using a single triaxial geophone | 2010 | Proc. IEEE Asia Pacific Conference on Circuits and Systems (APCCAS) | Conference | DOI | vibration signal processing, signal detection |
| R. S. Rashobh, A. W. H. Khong, P. A. Naylor | Adaptive blind system identification for speech dereverberation using apriori estimates | 2010 | Proc. IEEE Asia Pacific Conference on Circuits and Systems (APCCAS) | Conference | DOI | acoustic signal processing, speech enhancement |
| M. Bekrani, M. Lotfizad, A. W. H. Khong | An efficient quasi LMS/Newton adaptive algorithm for stereophonic acoustic echo cancellation | 2010 | Proc. IEEE Asia Pacific Conference on Circuits and Systems (APCCAS) | Conference | DOI | acoustic signal processing, adaptive filtering |
L. Liao, A. W. H. Khong |
Sparseness-Controlled Affine Projection Algorithm for Echo Cancellation |
2010 |
Proc. Asia Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA-ASC) |
Conference |
Best Paper Award
|
acoustic signal processing, adaptive filtering |
| D. Liu, A. W. H. Khong | A wavelet-based algorithm for speech DOA estimation under noisy environment | 2010 | Proc. Int. Workshop on Acoustic Echo and Noise Control (IWAENC) | Conference | Weblink | acoustic signal processing, DOA estimation |
| L. Liao, A. W. H. Khong | A noise robust multichannel algorithm for blind estimation of room impulse responses | 2010 | Proc. Int. Workshop on Acoustic Echo and Noise Control (IWAENC) | Conference | Weblink | acoustic signal processing, speech enhancement |
| A. Sulaiman, K. Poletkin, A. W. H. Khong | Source localization in the presence of dispersion for next generation touch interface | 2010 | Proc. IEEE Cyberworlds | Conference | DOI | vibration signal processing, source localization |
| D. Liu, A. W. H. Khong | Improvement of speech source localization in noisy environment using overcomplete rational-dilation wavelet transforms | 2010 | Proc. IEEE Cyberworlds | Conference | DOI | acoustic signal processing, source localization |
| L. Wang, A. W. H. Khong, W.-S. Gan | On the conditioning of the propagation function in a near-field loudspeaker array | 2010 | Proc. European Signal Processing Conference (EUSIPCO) | Conference | Weblink | acoustic signal processing |
| M. Bekrani, A. W. H. Khong, M. Lotfizad | A new partial update NLMS for stereophonic acoustic echo cancellation | 2010 | Proc. European Signal Processing Conference (EUSIPCO) | Conference | Weblink | acoustic signal processing, adaptive filtering |
K. Poletkin, X. Yap, A. W. H. Khong |
A touch interface exploiting the use of vibration theories and infinite impulse response filter modeling based localization algorithm |
2010 |
Proc. IEEE Int. Conf. Multimedia and Expo (ICME) |
Conference |
Top 15%
|
vibration signal processing, source localization |
M. Bekrani, A. W. H. Khong, M. Lotfizad |
Neural network based adaptive echo cancellation for stereophonic teleconferencing application |
2010 |
Proc. IEEE Int. Conf. Multimedia and Expo (ICME) |
Conference |
Top 15% |
acoustic signal processing, adaptive filtering |
| M. Bekrani, A. W. H. Khong, M. Lotfizad | A clipping-based adaptive filtering approach for stereophonic acoustic echo cancellation | 2010 | Proc. IEEE Int. Conf. Acoust. Speech Signal Process. (ICASSP) | Conference | DOI | acoustic signal processing, adaptive filtering |
| X. Yap, A. W. H. Khong, W.-S. Gan | Localization of acoustic sources on solids: A linear predictive coding based algorithm for location template matching | 2010 | Proc. IEEE Int. Conf. Acoust. Speech Signal Process. (ICASSP) | Conference | DOI | vibration signal processing, source localization |
| A. W. H. Khong, P. A. Naylor | Adaptive blind multichannel system identification | 2010 | Speech dereverberation | Book Chapter | acoustic signal processing, speech enhancement | |
| P. Loganathan, X. Lin, A. W. H. Khong, P. A. Naylor | Frequency-domain adaptive multidelay algorithm with sparseness control for acoustic echo cancellation | 2009 | Proc. European Signal Proccessing Conference (EUSIPCO) | Conference | Weblink | acoustic signal processing, adaptive filtering |
| W. Zhang, A. W. H. Khong, P. A. Naylor | Acoustic system equalization using channel shortening techniques for speech dereverberation | 2009 | Proc. European Signal Proccessing Conference (EUSIPCO) | Conference | Weblink | acoustic signal processing, speech enhancement |
| D.-Q Nguyen, W.-S. Gan, A. W. H. Khong | Selective time-reversal block solution to the stereophonic acoustic echo cancellation problem | 2009 | Proc. European Signal Proccessing Conference (EUSIPCO) | Conference | Weblink | acoustic signal processing, adaptive filtering |
| X. Lin, A. W. H. Khong, P. A. Naylor | Blind system identification for speech dereverberation with forced spectral diversity | 2009 | Proc. IEEE Int. Conf. Acoust. Speech Signal Process. (ICASSP) | Conference | DOI | acoustic signal processing, speech enhancement |
| P. Loganathan, A. W. H. Khong, P. A. Naylor | A class of sparseness-controlled algorithms for echo cancellation | 2009 | IEEE Trans. Audio, Speech and Language Processing | Journal | DOI | acoustic signal processing, adaptive filtering |
| X. Lin, A. W. H. Khong, M. Doroslovacki, P. A. Naylor | Frequency domain adaptive algorithm for network echo cancellation in VoIP | 2008 | EURASIP Journal on Audio, Speech and Music Processing | Journal | DOI | acoustic signal processing, adaptive filtering |
| W. Zhang, A. W. H. Khong, P. A. Naylor | Adaptive inverse filtering of room acoustics | 2008 | Proc. IEEE Asilomar Conf. Signals, Systems and Computers | Conference | DOI | acoustic signal processing, adaptive filtering |
| P. Loganathan, A. W. H. Khong, P. A. Naylor | A sparseness controlled proportionate algorithm for acoustic echo cancellation | 2008 | Proc. European Signal Proccessing Conference (EUSIPCO) | Conference | Weblink | acoustic signal processing, adaptive filtering |
| P. A. Naylor, X. Lin, A. W. H. Khong | Near-common zeros in blind identification of SIMO acoustic systems | 2008 | Proc. Joint Worksop on Hands-free Speech Communication and Microphone Arrays (WHSCMA) | Conference | DOI | acoustic signal processing, speech enhancement |
| A. W. H. Khong, Gan, W., P. A. Naylor, Brookes, M. | A low complexity fast converging partial update adaptive algorithm employing variable step-size for acoustic echo cancellation | 2008 | Proc. IEEE Int. Conf. Acoust. Speech Signal Process. (ICASSP) | Conference | DOI | acoustic signal processing, adaptive filtering |
| A. W. H. Khong, X. Lin, M. Doroslovacki, P. A. Naylor | Frequency domain selective tap adaptive algorithms for sparse system identification | 2008 | Proc. IEEE Int. Conf. Acoust. Speech Signal Process. (ICASSP) | Conference | DOI | acoustic signal processing, adaptive filtering |
| A. W. H. Khong, X. Lin, P. A. Naylor | Algorithms for identifying clusters of near-common zeros in multichannel blind system identification and equalization | 2008 | Proc. IEEE Int. Conf. Acoust. Speech Signal Process. (ICASSP) | Conference | DOI | acoustic signal processing, speech enhancement |
| A. W. H. Khong, P. A. Naylor | Selective-tap adaptive filtering with performance analysis for identification of time-varying systems | 2007 | IEEE Trans. Audio, Speech and Language Processing | Journal | DOI | acoustic signal processing, adaptive filtering |
| A. W. H. Khong, P. A. Naylor, J. Benesty | A low delay and fast converging improved proportionate algorithm for sparse system identification | 2007 | EURASIP Journal on Audio, Speech, and Music Processing | Journal | DOI | acoustic signal processing, adaptive filtering |
| Ahmad, R., A. W. H. Khong, P. A. Naylor | A practical adaptive blind multichannel estimation algorithm with application to acoustic impulse responses | 2007 | Proc. IEEE Int. Conf. Digital Signal Processing | Conference | DOI | acoustic signal processing, speech enhancement |
| A. W. H. Khong, Brookes, M. | The effect of calibration errors on source localization with microphone arrays | 2007 | Proc. IEEE Int. Conf. Acoust. Speech Signal Process. (ICASSP) | Conference | DOI | acoustic signal processing, source localization |
| P. A. Naylor, A. W. H. Khong, Brookes, M. | Misalignment performance of selective tap adaptive algorithms for system identification of time-varying unknown systems | 2007 | Proc. IEEE Int. Conf. Acoust. Speech Signal Process. (ICASSP) | Conference | DOI | acoustic signal processing, adaptive filtering |
| A. W. H. Khong, J. Benesty, P. A. Naylor | Stereophonic acoustic echo cancellation: Analysis of the misalignment in the frequency domain | 2006 | IEEE Signal Processing Letters | Journal | DOI | acoustic signal processing, adaptive filtering |
| A. W. H. Khong, P. A. Naylor | Stereophonic acoustic echo cancellation employing selective-tap adaptive algorithms | 2006 | IEEE Trans. Speech Audio Processing | Journal | DOI | acoustic signal processing, adaptive filtering |
| Ahmad, R., A. W. H. Khong, Hasan, M. K., P. A. Naylor | An extended normalized multichannel FLMS algorithm for blind channel identification | 2006 | Proc. European Signal Proccessing Conference (EUSIPCO) | Conference | Weblink | acoustic signal processing, speech enhancement |
| Ahmad, R., A. W. H. Khong, P. A. Naylor | Proportionate frequency domain adaptive algorithms for blind channel identification | 2006 | Proc. IEEE Int. Conf. Acoust. Speech Signal Process. (ICASSP) | Conference | DOI | acoustic signal processing, speech enhancement |
| A. W. H. Khong, J. Benesty, P. A. Naylor | Effect of interchannel coherence on conditioning and misalignment performance for stereo acoustic echo cancellation | 2006 | Proc. IEEE Int. Conf. Acoust. Speech Signal Process. (ICASSP) | Conference | DOI | acoustic signal processing, adaptive filtering |
| A. W. H. Khong, P. A. Naylor | Efficient use of sparse adaptive filters | 2006 | Proc. IEEE Asilomar Conf. Signals, Systems and Computers | Conference | Invited paper DOI |
acoustic signal processing, adaptive filtering |
| P. A. Naylor, A. W. H. Khong | Selective-tap adaptive algorithms for echo cancellation | 2006 | Topics in Acoustic Echo and Noise Control | Book Chapter | acoustic signal processing, adaptive filtering | |
| A. W. H. Khong, P. A. Naylor | Selective-tap adaptive algorithms in the solution of non-uniqueness problem for stereophonic acoustic echo cancellation | 2005 | IEEE Signal Processing Letters | Journal | DOI | acoustic signal processing, adaptive filtering |
| A. W. H. Khong, J. Benesty, P. A. Naylor | An improved proportionate multi-delay block adaptive filter for packet-switched network echo cancellation | 2005 | Proc. European Signal Processing Conference (EUSIPCO) | Conference | Weblink | acoustic signal processing, adaptive filtering |
A. W. H. Khong, P. A. Naylor |
Frequency domain adaptive algorithms for stereophonic acoustic echo cancellation employing tap selection |
2005 |
Int. Workshop on Acoustic Echo and Noise Control (IWAENC) |
Conference |
Best
|
acoustic signal processing, adaptive filtering |
| A. W. H. Khong, P. A. Naylor | A family of selective-tap algorithms for stereo acoustic echo cancellation | 2005 | Proc. IEEE Int. Conf. Acoust. Speech Signal Process. (ICASSP) | Conference | DOI | acoustic signal processing, adaptive filtering |
| A. W. H. Khong, P. A. Naylor | Reducing inter-channel coherence in stereophonic acoustic echo cancellation using partial update adaptive filters | 2004 | Proc. European Signal Processing Conference (EUSIPCO) | Conference | Weblink | acoustic signal processing, adaptive filtering |
| P. A. Naylor, A. W. H. Khong | Affine projection and recursive least squares adaptive filters employing partial updates | 2004 | Proc. IEEE Asilomar Conf. Signals, Systems and Computers | Conference | Invited paper DOI |
acoustic signal processing, adaptive filtering |
| K. Goh, Z. Shen, A. W. H. Khong | A new probe-excited dual-mode cavity filter | 2003 | Microwave and Optical Technology Lett. | Journal | DOI | wave-guide filter |
| A. W. H. Khong, P. A. Naylor | The use of partial update schemes to reduce inter-channel coherence in adaptive stereophonic acoustic echo cancellation | 2003 | Proc. Int. Workshop on Acoustic Echo and Noise Control (IWAENC) | Conference | Weblink | acoustic signal processing, adaptive filtering |
| A. W. H. Khong, P. A. Naylor | A partial-update adaptive algorithm for stereophonic acoustic echo cancellation | 2002 | Proc. Young Speech Researchers Meeting | Conference | acoustic signal processing, adaptive filtering |