Andersen Ang | Papers | Talks | Notes | Misc.

Preprints

I1 A. Ang, Hans De Sterck, Steve Vavasis, ''MGProx: A nonsmooth multigrid proximal gradient method with adaptive restriction for strongly convex optimization'', submitted to SIAM J. OPT
arXiv

I2 ''Inhomogeneous graph signal estimation via a \(\ell_{2,0}\) penalty'', submitted to SIAM. J. Maths Data Sci
arXiv

I3 ''Proximal averaging for block nonseparable Nonnegative Matrix Factorization with Sum-of-Norms regularization'', submitted to

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

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, 2020
DOI arXiv Matlab video

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

J2 A.M.S. Ang and N. Gillis, ‘‘Accelerating Nonnegative Matrix Factorization Algorithms using Extrapolation’’, Neural Computation, 2019
DOI arXiv Matlab

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 Transactions on Circuits and Systems II: Express Briefs, 2015
DOI

Conference papers

C13 V. Leplat, A Phan, A. Ang, ''Inexact higher-order proximal algorithms for tensor factorization'', accepted by SSP23, to appear
pdf

C12 A. Ang, J. Ma, N. Liu, K. Huang, Y. Wang, ‘‘Fast Projection onto the Capped Simplex with Applications to Sparse Regression in Bioinformatics’’ NeurIPS21, Dec. 6-14, 2021, virtual
pdf

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

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

C9 A.M.S. Ang, N. Gillis, A. Vandaele, H. De Sterck, ‘‘Nonnegative Unimodal Matrix Factorization’’, ICASSP21, June 6-11, 2021, virtual
DOI pdf video

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, virtual
DOI pdf HAL Matlab video slide
(update 20200924) Errata in the paper, presentation video and the slide: in line 9 of Algorithm 2, the ‘‘max’’ should be ‘‘min’’, and there should be a \(γ\) multiplying \(β_k−1\) in the update of \(β_k\).

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’’, GRETSI2019, Aug. 26-29, 2019, Lille, France
pdf (in French)

C6 A. Ang, J.E. Cohen, N. Gillis, ‘‘Accelerating Approximate Nonnegative Canonical Polyadic Decomposition using Extrapolation’’, GRETSI2019, 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’’, ICASSP2019, 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 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 Public defence 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