Preprints

[I1] A.M.S. Ang, N. Gillis, A. Vandaele, H. De Sterck, “Nonnegative Unimodal Matrix Factorization”, October 2020. [paper] [MATLAB available after paper acceptance]

[I2] A.M.S. Ang, J.E. Cohen, N. Gillis, L.T.K. Hien, “Accelerating Block Coordinate Descent for Nonnegative Tensor Factorization”, January 2020. [arXiv] [MATLAB available after paper acceptance]

Journal Papers

[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]

[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 12 (12), pp. 4843-4853, 2019. [DOI] [arXiv] [MATLAB]

[J2] A.M.S. Ang and N. Gillis, ‘‘Accelerating Nonnegative Matrix Factorization Algorithms using Extrapolation“, Neural Computation 31 (2), pp. 417-439, 2019. [DOI], [arXiv], [MATLAB], [Slide], [Old slide1], [Old slide2 for IMSP2018]

[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 62(2), 2015. [DOI] [pdf]

Conference papers / Proceedings

[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. [DOI] [pdf] [HAL] [MATLAB] [ICASSP2020 presentation video] [slide]
(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] Valentin Leplat, Nicolas Gillis, Xavier Siebert, Andersen 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]

[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]

[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]

[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]

[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]

[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]

[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]

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

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.