Johan A. du Preez

Application-independent evaluation of speaker detection

Niko Brümmer, Johan A. du Preez · Computer Speech & Language · 2005 · 585 citations

Engineering, Health Sciences, Speaker Detection +8

Offline Signature Verification Using the Discrete Radon Transform and a Hidden Markov Model

Johannes Coetzer, B. M. Herbst, Johan A. du Preez · EURASIP Journal on Advances in Signal Processing · 2004 · 160 citations · Full text

Estimating the pen trajectories of static signatures using hidden Markov models

Emli-Mari Nel, Johan A. du Preez, B. M. Herbst · IEEE Transactions on Pattern Analysis and Machine Intelligence · 2005 · 48 citations

Engineering, Biometrics, Verification +21

Efficient training of high-order hidden Markov models using first-order representations

Johan A. du Preez · Computer Speech & Language · 1998 · 40 citations

Structured Prediction, Engineering, Machine Learning +7

Off-line signature verification: A comparison between human and machine performance

Johannes Coetzer, B. M. Herbst, Johan A. du Preez · 2006 · 31 citations · Full text