Johan du Preez

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Prof BM HerbstProfessor in Applied Mathematics, University of Stellenbosch, South AfricaVerified email at praelexis.com
Hanno CoetzerStellenbosch UniversityVerified email at sun.ac.za
Emli-Mari NelVerified email at empiriccapital.com
Willem Herman SteynProfessor in Electrical and Electronic Engineering, University of StellenboschVerified email at sun.ac.za
Herman EngelbrechtProfessor, Electrical and Electronic Engineering, Stellenbosch UniversityVerified email at sun.ac.za
Riaan WolhuterStellenbosch UniversityVerified email at sun.ac.za
Emile-Reyn EngelbrechtPh.D. candidate (submitted) at Stellenbosch UniversityVerified email at sun.ac.za
DJJ (Jaco) VersfeldStellenbosch UniversityVerified email at sun.ac.za
JC RouxStellenbosch UniversityVerified email at sun.ac.za
Dominique SchreursProf. in EE, KU LeuvenVerified email at kuleuven.be
Corné E. van DaalenSenior Lecturer, Electrical and Electronic Engineering, Stellenbosch UniversityVerified email at sun.ac.za
Francois KamperSenior Data Scientist Swiss Data Science Center EPFLVerified email at epfl.ch
Konrad SchefflerIlluminaVerified email at illumina.com
Dewald HomanStellenbosch UniversityVerified email at sun.ac.za
S.C.J. RobertsonElectrical and Electronic EngineeringVerified email at sun.ac.za
Marco RademanUniversity of StellenboschVerified email at sun.ac.za
Lloyd HughesEcole Polytechnique Fédérale de Lausanne (EPFL), ECEO, SwitzerlandVerified email at epfl.ch
Ekaterina ChuprikovaMarie Skłodowska-Curie Fellow, Center for Sensing Solutions, EURAC researchVerified email at eurac.edu
Pieter NelMITVerified email at sloan.mit.edu
Willie BrinkApplied Mathematics, Stellenbosch UniversityVerified email at sun.ac.za

Johan du Preez

Professor of Electrical and Electronic Engineering

Verified email at sun.ac.za

Machine learning Probabilistic systems Speech and Image processing


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Application-independent evaluation of speaker detection N Brümmer, J du Preez Computer Speech & Language 20 (2), 230-275, 2006	841	2006
Offline signature verification using the discrete radon transform and a hidden Markov model J Coetzer, BM Herbst, JA du Preez EURASIP Journal on Advances in Signal Processing 2004, 1-13, 2004	256	2004
Passive sonar ML estimator for ship propeller speed. JG Lourens, JA du Preez IEEE Journal of Oceanic Engineering 23 (4), 448 - 453, 1998	82	1998
Estimating the pen trajectories of static signatures using hidden Markov models EM Nel, JA du Preez, BM Herbst IEEE transactions on pattern analysis and machine intelligence 27 (11), 1733 …, 2005	72	2005
Efficient training of high-order hidden Markov models using first-order representations JA du Preez Computer speech & language 12 (1), 23-39, 1998	64	1998
An optimal image transform for threshold-based cloud detection using heteroscedastic discriminant analysis IVZ Marais, JA du Preez, WH Steyn International journal of remote sensing 32 (6), 1713-1729, 2011	39	2011
Off-line signature verification: A comparison between human and machine performance J Coetzer, BM Herbst, JA du Preez	36	2006
Efficient high-order hidden Markov modelling JA du Preez, DM Weber Fifth International Conference on Spoken Language Processing, 1998	35	1998
The PAV algorithm optimizes binary proper scoring rules N Brümmer, J du Preez arXiv preprint arXiv:1304.2331, 2013	27	2013
Efficient backward decoding of high-order hidden Markov models HA Engelbrecht, JA du Preez Pattern Recognition 43 (1), 99-112, 2010	24	2010
Left ventricular segmentation from MRI datasets with edge modelling conditional random fields JF Dreijer, BM Herbst, JA du Preez BMC medical imaging 13 (1), 24, 2013	23	2013
Toy exhibiting bonding behavior JA du Preez, LC Schwardt US Patent App. 13/131,317, 2011	23	2011
Developing a Multilingual Telephone Based Information System in African Languages. JC Roux, EC Botha, JA du Preez LREC, 2000	21	2000
A new hybrid multibias analytical/decomposition-based FET parameter extraction algorithm with intelligent bias point selection C van Niekerk, JA du Preez, DMMP Schreurs IEEE Transactions on Microwave Theory and Techniques 51 (3), 893-902, 2003	19	2003
Graph Coloring: Comparing Cluster Graphs to Factor Graphs S Streicher, J du Preez SAWACMMM '17- Proceedings of the ACM Multimedia 2017 Workshop on South …, 2017	18	2017
Onboard image quality assessment for a small low earth orbit satellite I van Zyl Marais, WH Steyn, JA du Preez	16	2009
Efficient approximations of the multi-sensor labelled multi-Bernoulli filter SCJ Robertson, CE van Daalen, JA du Preez Signal Processing 199, 108633, 2022	13	2022
Automated feature-specific tree species identification from natural images using deep semi-supervised learning D Homan, JA du Preez Ecological Informatics 66, 101475, 2021	13	2021
Verification of dynamic curves extracted from static handwritten scripts EM Nel, JA du Preez, BM Herbst Pattern recognition 41 (12), 3773-3785, 2008	12	2008
Efficient mixed-order hidden Markov model inference L Schwardt, J du Preez Sixth International Conference on Spoken Language Processing, 2000	12	2000

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