Dr.-Ing. Julian Becker
![[team/Becker.jpg]](https://www.ient.rwth-aachen.de/cms/uploads/images/team/Becker.jpg "[team/Becker.jpg]")
Wissenschaftlicher Mitarbeiter
Arbeitsgruppe Audio Signal Processing
Kontakt
E-Mail: becker@ient.rwth-aachen.de
Publikationen
C. Rohlfing, A. Liutkus, and J. Becker, “Quantization-aware parameter estimation for audio upmixing,” in Proc. of IEEE International Conference on Acoustics, Speech and Signal Processing ICASSP '17, pp. 746–750, IEEE, Piscataway, Mar. 2017. [ bib | DOI | more… | .pdf ]
J. Becker, Nonnegative Matrix Factorization with Adaptive Elements for Monaural Audio Source Separation, vol. 16 of Aachen Series on Multimedia and Communications Engineering. Aachen: Shaker Verlag, Oct. 2016. [ bib ]
C. H. Antink, J. Becker, S. Leonhardt, and M. Walter, “Nonnegative matrix factorization and random forest for classification of heart sound recordings in the spectral domain,” in Computing in Cardiology 2016, (Vancouver, Canada), IEEE, Piscataway, Sept. 2016. [ bib ]
C. Rohlfing and J. Becker, “Generalized constraints for NMF with application to informed source separation,” in Proc. of European Signal Processing Conference EUSIPCO '16, pp. 597–601, IEEE, Piscataway, Aug. 2016. [ bib | DOI | more… | .pdf ]
C. Rohlfing, J. Becker, and M. Wien, “NMF-based informed source separation,” in Proc. of IEEE International Conference on Acoustics, Speech and Signal Processing ICASSP '16, pp. 474–478, IEEE, Piscataway, Mar. 2016. [ bib | DOI | more… | .pdf ]
C. Rohlfing and J. Becker, “Extended semantic initialization for NMF-based audio source separation,” in Proc. of IEEE International Workshop on Intelligent Signal Processing and Communication Systems ISPACS '15, (Nusa Dua, Bali, Indonesia), pp. 95–100, IEEE, Piscataway, Nov. 2015. [ bib | DOI | .pdf ]
J. Becker, M. Rohbeck, and C. Rohlfing, “Adaptive weights for NMF with additional priors,” in Proc. of IEEE International Workshop on Intelligent Signal Processing and Communication Systems ISPACS '15, (Nusa Dua, Bali, Indonesia), IEEE, Piscataway, Nov. 2015. [ bib | DOI | .pdf ]
J. Becker and C. Rohlfing, “Component-adaptive priors for NMF,” in Latent Variable Analysis and Signal Separation, Springer, Heidelberg/Berlin, Aug. 2015. [ bib | .pdf ]
J. Becker, M. Menzel, and C. Rohlfing, “Complex SVD initialization for NMF source separation on audio spectrograms,” in Fortschritte der Akustik DAGA '15, (Nürnberg, Germany), Mar. 2015. [ bib | .pdf ]
J. Becker, C. Sohn, and C. Rohlfing, “NMF with spectral and temporal continuity criteria for monaural sound source separation,” in Proc. of European Signal Processing Conference EUSIPCO '14, (Lisbon, Portugal), IEEE, Piscataway, Sept. 2014. [ bib | .pdf ]
M. Bläser and J. Becker, “Detection and correction of phase errors in audio signals for application in blind source separation,” in International Student Conference on Electrical Engineering POSTER '14, (Prague, Czech Republic), May 2014. [ bib | .pdf ]
J. Becker and C. Rohlfing, “Custom sized non-negative matrix factor deconvolution for sound source separation,” in Proc. of IEEE International Conference on Acoustics, Speech and Signal Processing ICASSP '14, (Florence, Italy), IEEE, Piscataway, May 2014. [ bib | DOI | .pdf ]
C. Rohlfing and J. Becker, “Generalized cepstral features for clustering in blind audio source separation,” in Fortschritte der Akustik DAGA '14, (Düsseldorf, Germany), Mar. 2014. [ bib | .pdf ]
J. Becker and C. Rohlfing, “A segmental spectral flatness measure for harmonic-percussive discrimination,” in Proc. of International Student Conference on Electrical Engineering POSTER '13, (Prague, Czech Republic), May 2013. [ bib | .pdf ]
J. Becker and V. Gnann, “Comparing separation quality of nonnegative matrix factorization and nonnegative matrix factor 2D deconvolution in audio source separation tasks,” in 133th AES Convention, (San Francisco, USA), Oct. 2012. [ bib ]
V. Gnann and J. Becker, “Signal reconstruction from multiresolution STFT magnitudes with mutual initialization,” in Proceedings of the AES 45th International Conference: Audio Applications of Time-Frequency Processing in Audio, Mar. 2012. [ bib ]
J. Becker, M. Spiertz, and V. Gnann, “A probability-based combination method for unsupervised clustering with application to blind source separation,” in Latent Variable Analysis and Signal Separation, (Tel Aviv, Israel), Springer, Heidelberg/Berlin, Mar. 2012. [ bib | DOI | .pdf ]
V. Gnann, M. Kitza, J. Becker, and M. Spiertz, “Least-squares local tuning frequency estimation for choir music,” in AES Convention Paper 8520, Oct. 2011. [ bib | more… ]
P. Hosten, J. Becker, and N. Qian, “Stochastic image mosaicing for improved motion compensated background subtraction,” in Proc. of International Workshop on Image Analysis for Multimedia Interactive Services WIAMIS '11, (Delft, Netherlands), Apr. 2011. [ bib ]