A

Al-Sayed, S. ; Plata-Chaves, J. ; Muma, M. ; Moonen, M. ; Zoubir, A. M. (2018):
Node-Specific Diffusion LMS-Based Distributed Detection Over Adaptive Networks.
In: IEEE Transactions on Signal Processing, 66 (3), pp. 682-697. ISSN 1053-587X,
[Article]

B

Binder, P. ; Muma, M. ; Zoubir, A. M. (2018):
Gravitational Clustering: A Simple, Robust and Adaptive Approach for Distributed Networks.
In: Signal Processing, 149, pp. 36-48. ISSN 0165-1684,
DOI: 10.1016/j.sigpro.2018.02.034,
[Article]

Bahari, M. H. ; Hamaidi, L. K. ; Muma, M. ; Plata-Chaves, J. ; Moonen, M. ; Zoubir, A. M. ; Bertrand, A. (2017):
Distributed Multi-Speaker Voice Activity Detection for Wireless Acoustic Sensor Networks.
In: arXiv, [Article]

Binder, P. ; Muma, M. ; Zoubir, A. M. (2016):
Robust and Adaptive Diffusion-based Classification in Distributed Networks.
In: EURASIP Journal on Advances in Signal Processing: Advances in adaptive filtering theory and applications to acoustic and speech signal processing, [Article]

Binder, P. ; Muma, M. ; Zoubir, A. M. (2016):
Robust and Adaptive Diffusion-based Classification in Distributed Networks.
In: EURASIP Journal on Advances in Signal Processing: Advances in adaptive filtering theory and applications to acoustic and speech signal processing, 2016 (1), pp. 1-13. [Article]

Binder, P. ; Muma, M. ; Zoubir, A. M. (2015):
Robust and Computationally Efficient Diffusion-Based Classification in Distributed Networks.
In: In Proc. 40th IEEE Int. Conf. Acoustics, Speech and Signal Processing (ICASSP), pp. 3432-3436,
Brisbane, Australia, [Conference or Workshop Item]

C

Carlino, L. ; Jin, D. ; Muma, M. ; Zoubir, A. M. (2019):
Robust Distributed Cooperative RSS-based Localization for Directed Graphs in Mixed LoS/NLoS Environments.
In: EURASIP Journal on Wireless Communications and Networking (2019), 2019 (19), [Article]

Chouvardas, S. ; Muma, M. ; Hamaidi, L. K. ; Theodoridis, S. ; Zoubir, A. M. (2015):
Distributed Robust Labeling of Audio Sources in Heterogeneous Wireless Sensor Networks.
In: In Proc. 40th IEEE Int. Conf. Acoustics, Speech and Signal Processing (ICASSP) , pp. 5783-5787,
Acoustics, Speech and Signal Processing (ICASSP), 2015 IEEE International Conference, [Conference or Workshop Item]

D

Dawel, L. ; Seifert, A.-K. ; Muma, M. ; Zoubir, A. M. (2019):
A Robust Genetic Algorithm for Feature Selection and Parameter Optimization in Radar-based Gait Analysis.
8th International Workshop on Computational Advances in Multi-Sensor Adaptive Processing (CAMSAP), Guadeloupe, West Indies, December 15 to 18, 2019, [Conference or Workshop Item]

Dagdagan, J. Y. ; Muma, M. ; Zoubir, A. M. (2014):
Robust testing for stationarity in the presence of outliers.
In: 2014 {IEEE} {International} {Conference} on {Acoustics}, {Speech} and {Signal} {Processing} ({ICASSP}), pp. 3464-3468, DOI: 10.1109/ICASSP.2014.6854244,
[Conference or Workshop Item]

E

El-Hindi, Mahmoud ; Muma, Michael ; Zoubir, Abdelhak M. (2022):
Semi-Supervised Online Speaker Diarization using Vector Quantization with Alternative Codebooks.
In: 30th European Signal Processing Conference (EUSIPCO 2022): Proceedings,
IEEE, 30th European Signal Processing Conference, Belgrade, Serbia, 29.08.-02.09.2022, ISBN 978-90-827970-9-1,
DOI: 10.23919/EUSIPCO55093.2022.9909891,
[Conference or Workshop Item]

F

Fauß, M. ; Muma, M. ; Teklehaymanot, F. K. ; Zoubir, A. M. (2019):
Robust Detection for Cluster Analysis.
IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Brighton, UK, May 12-17, 2019, [Conference or Workshop Item]

G

Gölz, Martin ; Muma, Michael ; Halme, Topi ; Zoubir, Abdelhak M. ; Koivunen, Visa (2019):
Spatial Inference in Sensor Networks using Multiple Hypothesis Testing and Bayesian Clustering.
In: 27th EUSIPCO 2019: European Signal Processing Conference: Final Program,
IEEE, 27th European Signal Processing Conference, A Coruña, Spain, 02.-06.09.2019, ISBN 978-9-0827-9703-9,
DOI: 10.23919/EUSIPCO.2019.8902986,
[Conference or Workshop Item]

H

Hasija, Tanuj ; Gölz, Martin ; Muma, Michael ; Schreier, Peter J. ; Zoubir, Abdelhak M. (2019):
Source Enumeration and Robust Voice Activity Detection in Wireless Acoustic Sensor Networks.
In: Conference Record of The Fifty-Third Asilomar Conference on Signals, Systems & Computers, pp. 1257-1261,
IEEE, 53rd Asilomar Conference on Signals, Systems and Computers, Pacific Grove, USA, 03.-06.11.2019, ISBN 978-1-7281-4300-2,
DOI: 10.1109/IEEECONF44664.2019.9048954,
[Conference or Workshop Item]

Hamaidi, L. K. ; Muma, M. ; Zoubir, A. M. (2018):
Robust Distributed Sparsity-Constrained Non-Negative Source Separation and Multi-Speaker Voice Activity Detection for Speech Enhancement in Wireless Acoustic Sensor Networks.
In: Proc. 2nd International Conference on Signals and Systems, [Conference or Workshop Item]

Hamaidi, L. K. ; Muma, M. ; Zoubir, A. M. (2017):
Multi-Speaker Voice Activity Detection by An Improved Multiplicative Non-Negative Independent Component Analysis With Sparseness Constraints.
Proc. 42nd IEEE Int. Conf. Acoust., Speech and Signal Process. (ICASSP), [Conference or Workshop Item]

Hamaidi, L. K. ; Muma, M. ; Zoubir, A. M. (2017):
Robust Distributed Multi-Speaker Voice Activity Detection Using Stability Selection for Sparse Non-Negative Feature Extraction.
In: Proc. 25th IEEE European Signal Processing Conference (EUSIPCO), pp. 171-175,
[Conference or Workshop Item]

Han, B. ; Muma, M. ; Feng, M. ; Zoubir, A. M. (2013):
An Online Approach for ICP Forecasting Based on Signal Decomposition and Robust Statistics.
, pp. 6239-6243, Vancouver, Canada, Proc. 38th IEEE Int. Conf. Acoustics, Speech and Signal Processing (ICASSP), [Conference or Workshop Item]

J

Jin, D. ; Yin, F. ; Fauß, M. ; Muma, M. ; Zoubir, A. M. (2020):
Exploiting Sparsity for Robust Sensor Network Localization in Mixed LOS/NLOS Environments.
pp. 5915-5919, IEEE, 45th International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Barcelona, Spain, May 4-8, 2020, ISBN 978-1-5090-6632-2,
DOI: 10.1109/ICASSP40776.2020.9054501,
[Conference or Workshop Item]

K

Koka, Taulant ; Muma, Michael (2022):
Fast and Sample Accurate R-Peak Detection for Noisy ECG Using Visibility Graphs.
In: 2022 44th Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC), pp. 121-126,
IEEE, 44th Annual International Conference of the IEEE Engineering in Medicine & Biology Society, Glasgow, United Kingdom, 11.-15.07.2022, ISBN 978-1-7281-2782-8,
DOI: 10.1109/EMBC48229.2022.9871266,
[Conference or Workshop Item]

Koka, Taulant ; Muma, Michael ; Haro, Benjamín Béjar (2022):
Reconstruction of Multivariate Sparse Signals from Mismatched Samples.
In: Electrical Engineering and Systems Science, (Preprint), 1.Version, arXiv, 2212.07369, DOI: 10.48550/ARXIV.2212.07368,
[Report]

Kalus, D. ; Muma, M. ; Zoubir, A. M. (2015):
Distributed Robust Change Point Detection for Autoregressive Processes with an Application to Voice Activity Detection.
In: In Proc. 40th IEEE Int. Conf. Acoustics, Speech and Signal Processing (ICASSP), pp. 3906-3910,
[Conference or Workshop Item]

Kelava, Augustin ; Muma, M. ; Deja, M. ; Dagdagan, J. Y. ; Zoubir, A. M. (2015):
A new approach for the quantification of synchrony of multivariate non-stationary psychophysiological variables during emotion eliciting stimuli.
In: Frontiers in Psychology, 5, ISSN 1664-1078,
DOI: 10.3389/fpsyg.2014.01507,
[Article]

L

Lizio, R. ; Liebana Vinas, S. ; Zoubir, A. M. ; Muma, M. ; Schäck, T. (2021):
Methods to Estimate the Blood Pressure and the Arterial Stiffness Based on Photoplethysmographic (PPG) Signals.
Essen, Evonik Operations GmbH, US 2021/0244302 A1,
[Norm, patent, standard]

M

Machkour, J. ; Muma, M. ; Palomar, D. P. (2021):
The Terminating-Knockoff Filter: Fast High-Dimensional Variable Selection with False Discovery Rate Control.
In: Methodology, (Preprint), 3.Version, arXiv, 2110.06048, DOI: 10.48550/arXiv.2110.06048,
[Report]

Muma, M. ; Ollila, E. ; Pascal, F. (2021):
Special issue on statistical signal processing solutions and advances for data science: Complex, dynamic and large-scale settings.
In: Signal Processing, 182, Elsevier B.V., ISSN 0165-1684,
DOI: 10.1016/j.sigpro.2020.107892,
[Article]

Machkour, J. ; Muma, M. ; Alt, B. ; Zoubir, A. M. (2020):
A Robust Adaptive Lasso Estimator for the Independent Contamination Model.
In: Signal Processing, 174, Elsevier ScienceDirect, ISSN 01651684,
DOI: 10.1016/j.sigpro.2020.107608,
[Article]

Muma, M. ; Zeng, W.-J. ; Zoubir, A. M. (2019):
Robust M-Estimation Based Matrix Completion.
44th IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Brighton, UK, 12-17 May 2019, [Conference or Workshop Item]

Machkour, J. ; Alt, B. ; Muma, M. ; Zoubir, A. M. (2017):
The Outlier-Corrected-Data-Adaptive Lasso: A New Robust Estimator for the Independent Contamination Model.
pp. 1699-1703, European Signal Processing Conference 2017 (EUSIPCO 2017), Kos, Greece, 28.08.-02.09., DOI: 10.23919/EUSIPCO.2017.8081489,
[Conference or Workshop Item]

Muma, M. ; Zoubir, A. M. (2016):
Bounded Influence Propagation τ-Estimation: A New Robust Method for ARMA Models.
In: IEEE Transactions on Signal Processing, 65 (7), pp. 1712-1727. ISSN 1053-587X,
DOI: 10.1109/TSP.2016.2634539,
[Article]

Martinez-Camara, M. ; Muma, M. ; Béjar-Haro, B. ; Zoubir, A. M. ; Vetterli, M. (2016):
The regularized tau estimator: A robust and efficient solution to ill-posed linear inverse problems.
In: ArXiv Statistics, (Preprint), [Article]

Martinez-Camara, M. ; Muma, M. ; Zoubir, A. M. ; Vetterli, M. (2015):
A New Robust and Efficient Estimator for Ill-Conditioned Linear Inverse Problems.
In: Proc. 40th IEEE Int. Conf. Acoustics, Speech and Signal Processing (ICASSP), pp. 3422-3426,
[Conference or Workshop Item]

Muma, M. (2014):
Robust model order selection for ARMA models based on the bounded innovation propagation τ-estimator.
, pp. , Gold Coast, Australia, In Proc. IEEE Workshop on Statistical Signal Processing (SSP), [Conference or Workshop Item]

Muma, M. (2014):
Robust Estimation and Model Order Selection for Signal Processing.
Darmstadt, Universitäts- und Landesbibliothek Darmstadt, TU Darmstadt,
[Ph.D. Thesis]

Muma, M. ; Cheng, Y. ; Roemer, F. ; Haardt, M. ; Zoubir, A. M. (2012):
Robust source number enumeration for R-dimensional arrays in case of brief sensor failures.
, pp. 3709-3712, Kyoto, Japan, Proc. 37th IEEE Int. Conf. on Acoustics, Speech and Signal Processing (ICASSP), [Conference or Workshop Item]

Muma, M. ; Zoubir, A. M. (2011):
Robust Model Selection for Corneal Height Data Based on Tau Estimation.
, pp. 4096-4099, Prague, Czech Republic, Proc. 36th IEEE Int. Conf. on Acoustics, Speech and Signal Processing (ICASSP), [Conference or Workshop Item]

Muma, M. ; Iskander, D. R. ; Collins, M. J. (2010):
The Role of Cardiopulmonary Signals in the Dynamics of the Eye's Wavefront Aberrations.
In: IEEE Trans. on Biomedical Engineering, 57 (2), pp. 373-383. [Article]

Muma, M. ; Hammes, U. ; Zoubir, A. M. (2009):
Robust Semiparametric Amplitude Estimation of Sinusoidal Signals:The Multi-Sensor Case.
, pp. 41-44, Aruba, Dutch Antilles, Proc. 3rd IEEE Int. Workshop on Computational Advancesin Multi-Sensor Adaptive Processing (CAMSAP), [Conference or Workshop Item]

R

Ruppel, F. ; Muma, M. ; Zoubir, A. M. (2020):
Globally Optimal Robust Matrix Completion Based on M-estimation.
IEEE, 30th International Workshop on Machine Learning for Signal Processing (MLSP 2020), Espoo, Finland (virtual Conference), 21.-24.09., ISBN 978-1-7281-6662-9,
DOI: 10.1109/MLSP49062.2020.9231573,
[Conference or Workshop Item]

S

Schroth, C. A. ; Muma, M. (2021):
Real Elliptically Skewed Distributions and Their Application to Robust Cluster Analysis.
In: IEEE Transactions on Signal Processing, 69, pp. 3947-3962. IEEE, ISSN 1053-587X,
DOI: 10.1109/TSP.2021.3092373,
[Article]

Schroth, C. A. ; Muma, M. (2021):
Robust M-Estimation Based Bayesian Cluster Enumeration for Real Elliptically Symmetric Distributions.
In: IEEE Transactions on Signal Processing, 69, pp. 3525-3540. IEEE, ISSN 1053-587X, e-ISSN 1941-0476,
DOI: 10.1109/TSP.2021.3072482,
[Article]

Schäck, T. ; Muma, M. ; Feng, M. ; Guan, C. ; Zoubir, A. M. (2018):
Robust Nonlinear Causality Analysis of Non-Stationary Multivariate Physiological Time Series.
In: IEEE Transactions on Biomedical Engineering, 65 (6), pp. 1213-1225. ISSN 0018-9294,
DOI: 10.1109/TBME.2017.2708609,
[Article]

Schäck, T. ; Muma, M. ; Zoubir, A. M. (2018):
Hands-on in Signal Processing Education at Technische Universität Darmstadt.
In: Proc. 43rd IEEE Int. Conf. Accoust. Speech and Signal Process. (ICASSP), [Conference or Workshop Item]

Schäck, T. ; Safi Harb, Y. ; Muma, M. ; Zoubir, A. M. (2017):
Computationally Efficient Algorithm for Photoplethysmography-Based Atrial Fibrillation Detection Using Smartphones.
In: 39th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), pp. 104-108,
Seogwipo, South Korea, DOI: 10.1109/EMBC.2017.8036773,
[Conference or Workshop Item]

Schäck, T. ; Muma, M. ; Zoubir, A. M. (2017):
Signal Processing Projects at Technische Universität Darmstadt: How to engage undergraduate students in signal processing practice.
In: IEEE Signal Processing Magazine, 34 (1), pp. 16-30. ISSN 1053-5888,
[Article]

Schäck, T. ; Muma, M. ; Zoubir, A. M. (2017):
Computationally efficient heart rate estimation during physical exercise using photoplethysmographic signals.
In: European Signal Processing Conference 2017 (EUSIPCO 2017), pp. 2478-2481,
Kos, Greece, [Conference or Workshop Item]

Scheidt, F. ; Jin, D. ; Muma, M. ; Zoubir, A. M. (2016):
Fast and Accurate Cooperative Localization in Wireless Sensor Networks.
In: European Signal Process. Conf. (EUSIPCO),
[Conference or Workshop Item]

Schäck, T. ; Muma, M. ; Alkhaldi, W. ; Zoubir, A. M. (2016):
A procedure to locate the eyelid position in noisy videokeratoscopic images.
In: EURASIP Journal on Advances in Signal Processing: Nonlinear signal and image processing - a special issue in honour of Giovanni L. Sicuranza on his seventy-fifth birtday, 2016 (1), p. 136. ISSN 1687-6180,
[Article]

Schäck, T. ; Sledz, C. ; Muma, M. ; Zoubir, A. M. (2015):
A new method for heart rate monitoring during physical exercise using photoplethysmographic signals.
pp. 2666-2670, Nice, France, European Signal Processing Conference 2015 (EUSIPCO 2015), [Conference or Workshop Item]

Sharif, W. ; Muma, M. ; Zoubir, A. M. (2013):
Robustness Analysis of Spatial Time-Frequency Distributions Based on the Influence Function.
In: IEEE Trans. on Signal Processing, 61 (8), pp. 1958-1971. [Article]

Strasser, Falco ; Muma, M. ; Zoubir, A. M. (2012):
Motion Artefact Removal in ECG Signals Using Multi-Resolution Thresholding.
, pp. 899-903, Bucharest, Romania, Proc. 20th European Signal Processing Conf. (EUSIPCO), [Conference or Workshop Item]

T

Taştan, Aylin ; Muma, Michael ; Zoubir, Abdelhak M. (2022):
Eigenvalue-Based Block Diagonal Representation and Application to p-Nearest Neighbor Graphs.
In: 30th European Signal Processing Conference (EUSIPCO 2022): Proceedings,
IEEE, 30th European Signal Processing Conference, Belgrade, Serbia, 29.08.-02.09.2022, ISBN 978-90-827970-9-1,
DOI: 10.23919/EUSIPCO55093.2022.9909832,
[Conference or Workshop Item]

Taştan, A. ; Muma, M. ; Zoubir, A. M. (2021):
Robust Spectral Clustering: A Locality Preserving Feature Mapping Based on M-estimation.
In: 29th European Signal Processing Conference (EUSIPCO 2021): Proceedings, pp. 851-855,
IEEE, 29th European Signal Processing Conference (EUSIPCO), virtual Conference, 23.-27.08.2021, ISBN 978-9-0827-9706-0,
DOI: 10.23919/EUSIPCO54536.2021.9616292,
[Conference or Workshop Item]

Taştan, A. ; Muma, M. ; Zoubir, A. M. (2021):
Sparsity-aware Robust Community Detection (SPARCODE).
In: Signal Processing, 187, Elsevier, ISSN 0165-1684,
DOI: 10.1016/j.sigpro.2021.108147,
[Article]

Taştan, A. ; Muma, M. ; Zoubir, A. M. (2021):
Robust Regularized Locality Preserving Indexing for Fiedler Vector Estimation.
In: Electrical Engineering and Systems Science, (Preprint), 1.Version, arXiv, 2107.12070, DOI: 10.48550/arXiv.2107.12070,
[Report]

Teklehaymanot, F. K. ; Muma, M. ; Zoubir, A. M. (2021):
Robust Bayesian Cluster Enumeration Based on the t Distribution.
In: Signal Processing, 182, Elsevier B.V., ISSN 0165-1684,
DOI: 10.1016/j.sigpro.2020.107870,
[Article]

Taştan, A. ; Muma, M. ; Zoubir, A. M. (2020):
An Unsupervised Approach for Graph-based Robust Clustering of Human Gait Signatures.
In: 2020 IEEE Radar Conference (RadarConf'20),
IEEE, IEEE Radar Conference, virtual Conference, 21.-25.09.2020, ISSN 2375-5318, ISBN 978-1-7281-8942-0,
DOI: 10.1109/RadarConf2043947.2020.9266313,
[Conference or Workshop Item]

Teklehaymanot, F. K. ; Muma, M. ; Zoubir, A. M. (2018):
Bayesian Cluster Enumeration Criterion for Unsupervised Learning.
In: IEEE Trans. Signal Process., 66 (20), pp. 5392-5406. ISSN 1941-0476,
[Article]

Teklehaymanot, F. K. ; Muma, M. ; Zoubir, A. M. (2018):
Novel Bayesian Cluster Enumeration Criterion for Cluster Analysis With Finite Sample Penalty Term.
In: Proc. 43rd IEEE Int. Conf. Accoust. Speech and Signal Process. (ICASSP), [Conference or Workshop Item]

Teklehaymanot, F. K. ; Seifert, A.-K. ; Muma, M. ; Amin, M. G. ; Zoubir, A. M. (2018):
Bayesian Target Enumeration and Labeling Using Radar Data of Human Gait.
In: 26th European Signal Processing Conference (EUSIPCO), [Conference or Workshop Item]

Teklehaymanot, F. K. ; Muma, M. ; Zoubir, A. M. (2018):
Diffusion-Based Bayesian Cluster Enumeration in Distributed Sensor Networks.
In: IEEE Statistical Signal Processing Workshop (SSP), [Conference or Workshop Item]

Teklehaymanot, F. K. ; Muma, M. ; Zoubir, A. M. (2017):
Adaptive Diffusion-Based Track Assisted Multi-Object Labeling in Distributed Camera Networks.
In: Proc. 25th IEEE European Signal Processing Conference (EUSIPCO), pp. 2363-2367,
[Conference or Workshop Item]

Teklehaymanot, F. ; Muma, M. ; Zoubir, A. M. (2017):
Adaptive Diffusion-Based Track Assisted Multi-Object Labeling in Distributed Camera Networks.
In: European Signal Processing Conference (EUSIPCO),
[Conference or Workshop Item]

Teklehaymanot, F. K. ; Muma, M. ; Liu, J. ; Zoubir, A. M. (2016):
In-network Adaptive Cluster Enumeration for Distributed Classification/labeling.
In: European Signal Process. Conf. (EUSIPCO),
[Conference or Workshop Item]

Teklehaymanot, F. K. ; Muma, M. ; Béjar-Haro, B. ; Binder, P. ; Zoubir, A. M. ; Vetterli, M. (2015):
Robust Diffusion-Based Unsupervised Object Labelling in Distributed Camera Networks.
In: In Proc. 12th IEEE AFRICON,
[Conference or Workshop Item]

V

Vlaski, Stefan ; Schroth, Christian ; Muma, Michael ; Zoubir, Abdelhak M. (2022):
Robust and Efficient Aggregation for Distributed Learning.
In: 30th European Signal Processing Conference (EUSIPCO 2022): Proceedings,
IEEE, 30th European Signal Processing Conference, Belgrade, Serbia, 29.08.-02.09.2022, ISBN 978-90-827970-9-1,
DOI: 10.23919/EUSIPCO55093.2022.9909822,
[Conference or Workshop Item]

Vlaski, S. ; Muma, M. ; Zoubir, A. M. (2014):
Robust Bootstrap Methods with an Application to Geolocation in Harsh LOS/NLOS environments.
, pp. , Florence, Italy, Proc. 39th IEEE Int. Conf. Acoustics, Speech and Signal Processing (ICASSP), [Conference or Workshop Item]

Z

Zhang, Y. ; Teklehaymanot, F. K. ; Muma, M. ; Zoubir, A. M. (2019):
Distributed Robust Bayesian Cluster Enumeration Criterion for Unsupervised Learning.
8th International Workshop on Computational Advances in Multi-Sensor Adaptive Processing (CAMSAP), Guadeloupe, West Indies, December 15 to 18, 2019, [Conference or Workshop Item]

Zoubir, A. M. ; Koivunen, V. ; Ollila, E. ; Muma, M. (2018):
Robust Statistics for Signal Processing.
New York, Cambridge University Press, ISBN 978-1-107-01741-2,
[Book]

Zoubir, A. M. ; Koivunen, V. ; Chakhchoukh, Y. ; Muma, M. (2012):
Robust Estimation in Signal Processing.
In: IEEE Signal Processing Mag., 29 (4), pp. 61-80. [Article]