Preprints

A paper submitted to NIPS 2021

Journal Papers

J5   A.M.S. Ang, J.E. Cohen, N. Gillis, L.T.K. Hien, ‘‘Accelerating Block Coordinate Descent for Nonnegative Tensor Factorization’’,
Numerical Linear Algebra with Applications, 2021 [DOI] [arXiv] [Matlab] [BibTeX]

J4   V. Leplat, N. Gillis and A.M.S. Ang, ‘‘Blind Audio Source Separation with Minimum-Volume Beta-Divergence NMF’’,
IEEE Transaction on Signal Processing 68, pp. 3400-3410, 2020. [DOI] [arXiv] [Matlab] [video] [BibTeX]

J3   A.M.S. Ang and N. Gillis, ‘‘Algorithms and Comparisons of Non-negative Matrix Factorization with Volume Regularization for Hyperspectral Unmixing’’,
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2019. [DOI] [arXiv] [Matlab] [BibTeX]

J2   A.M.S. Ang and N. Gillis, ‘‘Accelerating Nonnegative Matrix Factorization Algorithms using Extrapolation’’,
Neural Computation, 2019. [DOI] [arXiv] [Matlab] [Slide] [Old slide1] [Old slide2] [BibTeX]

J1   J.F. Wu, A.M.S. Ang, Z.G. Zhang, K.M. Tsui, H.C. Wu, Y.S. Hung, S.C. Chan, ‘‘Efficient Implementation and Design of A New Single-Channel Electrooculography-based Human-Machine Interface System“,
IEEE TCAS II, 2015. [DOI] [pdf] [BibTeX]

Conference papers / Proceedings

C11   A. Ang, V. Leplat, N. Gillis, ‘‘Fast algorithm for complex-NMF with application to source separation’’
EUSIPCO21 23-27 August, 2021, online [pdf] [Matlab] [BibTeX] [video]

C10   O. V. Thanh, A. Ang, N. Gillis, L.T.K. Hien ‘‘Inertial Majorization-Minimization Algorithm for Minimum-Volume NMF’’
EUSIPCO21 23-27 August, 2021, online [pdf] [Matlab] [BibTeX]

C9   A.M.S. Ang, N. Gillis, A. Vandaele, H. De Sterck, ‘‘Nonnegative Unimodal Matrix Factorization’’,
ICASSP21, June 6-11, 2021, online [DOI] [pdf] [Matlab] [BibTeX] [Video presentation]

C8   A.M.S. Ang, J.E. Cohen, L.T.K. Hien and N. Gillis, ‘‘Extrapolated Alternating Algorithms for Approximate Canonical Polyadic Decomposition’’,
ICASSP 2020, May 4-8, 2020, online. [DOI] [pdf] [HAL] [Matlab] [ICASSP2020 presentation video] [slide] [BibTeX]
(Update 20200924) Errata in the ICASSP paper, the ICASSP presentation video and the slide: in line 9 of Algorithm 2, the ‘‘max’’ should be ‘‘min’’, and there should be a \(\gamma\) multiplying \(\beta_{k-1}\) in the update of \(\beta_k\).

C7   V. Leplat, N. Gillis, X. Siebert, A.M.S. Ang, ‘‘Séparation aveugle de sources sonores par factorization en matrices positives avec pénalité sur le volume du dictionnaire’’, GRETSI 2019, Aug. 26-29, 2019, Lille, France. [pdf (in French!)] [BibTeX]

C6   A. Ang, J.E. Cohen, N. Gillis, ‘‘Accelerating Approximate Nonnegative Canonical Polyadic Decomposition using Extrapolation’’,
GRETSI 2019, Aug. 26-29, 2019, Lille, France. [pdf] [HAL] [Matlab] [BibTeX]

C5   V. Leplat, A.M.S. Ang, N. Gillis, ‘‘Minimum-Volume Rank-Deficient Nonnegative Matrix Factorizations’’,
ICASSP 2019, May 12-17, 2019, Brighton, UK. [DOI] [pdf] [Matlab] [BibTeX]

C4   A.M.S. Ang and N. Gillis, ‘‘Volume regularized Non-negative Matrix Factorizations’’,
IEEE WHISPERS 2018, Sep. 23-26, 2018, Amsterdam, Netherlands. [DOI] [pdf] [Short slide] [Long slide] [BibTeX]

C3   C.U. Lei, Y.C.A. Yeung, T.T.O. Kwok, R. Lau and A. Ang, ‘‘Leveraging videos and forums for small-class learning experience in a MOOC environment’’,
IEEE TALE 2016, Dec. 7-9, 2016, Bangkok, Thailand. [DOI] [pdf] [BibTeX]

C2   A.M.S. Ang, Y.S. Hung, Z. Zhang, ‘‘A Non-negative Tensor Factorization Approach to Feature Extraction for Image Analysis’’,
IEEE DSP 2016, Oct. 16-18, 2016, Beijing, China. [DOI] [pdf] [BibTeX]   This is a shitty paper

C1   A.M.S. Ang, Z.G. Zhang, Y.S. Hung and J.N.F. Mak, ‘‘A User-friendly Wearable Single-channel EOG-based Human-Computer Interface for Cursor Control’’,
IEEE/EMBS NER2015, Apr. 22-24, 2015, Montpellier, France. [DOI] [pdf] [BibTeX]

Thesis

Ph.D (Doctorat en sciences de lingénieur et technologie)
A.M.S. Ang, ‘‘Nonnegative Matrix and Tensor Factorizations: Models, Algorithms and Applications’’, Université de Mons, 2020
Thesis Errata Public defence slide video

M.Phil (Biomedical Engineering)
A.M.S. Ang, ‘‘Non-negative Matrix and Tensor Factorization with Applications to Feature Extractions’’, University of Hong Kong, 2016
Thesis

B.Eng (Electronic and Communication Engineering)
A.M.S. Ang, ‘‘Single Channel Hybrid EEG/EOG-based Brain Computer Interface’’, University of Hong Kong, 2014

Other stuffs

Log-determinant constrained Non-negative Matrix Factorization
[Poster presentation in Autumn School : Optimization in Machine Learning and Data Science]
My second presentation, got some advices from Stephen Wright during the autumn school. Aug. 28, 2017. Trier, Germany.

A Low-rank regularized Non-negative Matrix Factorization Model
[A short presentation in front of Stephen Boyd, Yurri Nesterov and Francois Glineur in UCL]
My first presentation after I started my PhD in Belgium since 2017-Feb. I have to admit, the meeting was super exciting. May 19, 2017. Louvain-la-Neuve, Belgium.