efficient coding of digital signals

 by C. Helmrich

Christian Helmrich's publications in chronologically descending order, 2019–2007

2019

C. R. Helmrich, «Clean-up and Finalization of Perceptually Optimized QP Adaptation Method in VTM», document JVET-M0091, Marrakech, Jan. 2019. Zip file.

C. R. Helmrich and B. Bross, «CE11: Very Strong Deblocking with Conditional Activation Signaling (Test 11.1.1)», document JVET-M0092, Marra­kech, Jan. 2019. Zip file.

C. R. Helmrich, S. Bosse, M. Siekmann, H. Schwarz, D. Marpe, and T. Wiegand, «Per­cep­tually Optimized Bit-Allocation and Associated Distortion Measure for Block-Based Image or Video Coding», in Proc. IEEE Data Compression Conference (DCC), Snowbird, Mar. 2019. Article manuscript, web page.

C. R. Helmrich, C. Rudat, T. Nguyen, H. Schwarz, D. Marpe, and T. Wiegand, «CE7-related: Joint Chroma Residual Coding with Multiple Modes», document JVET-N0282, Geneva, Mar. 2019. Zip file.

J. Erfurt, C. R. Helmrich, S. Bosse, H. Schwarz, D. Marpe, and T. Wiegand, «A Study of the Perceptually Weighted Peak Signal-to-Noise Ratio (WPSNR) for Image Compres­sion», submitted to IEEE International Conference on Image Processing (ICIP), Taipei, Sep. 2019. Article manuscript.

2018

C. R. Helmrich, H. Schwarz, D. Marpe, and T. Wiegand, «Improved Perceptually Optimized QP Adaptation and Associated Distortion Measure», document JVET-K0206, Ljubljana, July 2018. Zip file.

C. R. Helmrich, S. Bosse, P. Keydel, H. Schwarz, D. Marpe, and T. Wiegand, «A Spec­trally Adaptive Noise Filling Tool for Perceptual Transform Coding of Still Images», in Proc. IEEE International Conference on Consumer Electronics (ICCE), Berlin, Sep. 2018. Article manuscript, web page.

C. R. Helmrich and B. Bross, «Very Strong Deblocking Filtering with Conditional Acti­vation Signaling», document JVET-L0523, Macau, Oct. 2018. Zip file.

2017

C. R. Helmrich, Efficient Perceptual Audio Coding Using Cosine and Sine Modulated Lapped Transforms, Dr.-Ing. dissertation, Friedrich-Alexander-Universität Erlangen-Nürnberg, May 2017. Third edition (Nov. 2017).

S. Bosse, C. R. Helmrich, H. Schwarz, D. Marpe, and T. Wiegand, «Perceptually Optimized QP Adaptation and Associated Distortion Measure», document JVET-H0047, Macau, Oct. 2017. Zip file (Dec. 2017).

2016

C. R. Helmrich and B. Edler, «Signal-Adaptive Switching of Overlap Ratio in Audio Transform Coding», in Proc. IEEE ICASSP, Shanghai, pp. 639–643, Mar. 2016. Paper.

C. R. Helmrich and B. Edler, «Audio Coding Using Overlap and Kernel Adaptation», IEEE Signal Processing Letters, vol.23, no.5, pp. 590–594, May 2016. Article manuscript.

C. R. Helmrich, R. Füg, and B. Edler, «Frequency-Domain Prediction for Audio Coding», submitted to IEEE Signal Processing Letters, Aug. 2016. Article manuscript.

F. Schuh, S. Dick, R. Füg, C. R. Helmrich, N. Rettelbach, and T. Schwegler, «Efficient Multichannel Audio Transform Coding with Low Delay and Complexity», in Proc. AES 141^st Convention, Los Angeles, preprint 9660, Oct. 2016. Paper.

S. Disch, A. Niedermeier, C. R. Helmrich, C. Neukam, K. Schmidt, R. Geiger, J. Le­comte, F. Ghido, F. Nagel, and B. Edler, «Intelligent Gap Filling in Perceptual Transform Coding of Audio», in Proc. AES 141^st Convention, Los Angeles, preprint 9661, Oct. 2016. Paper.

2015

C. Helmrich, A. Niedermeier, S. Disch, and F. Ghido, «Spectral Envelope Reconstruction via IGF for Audio Transform Coding», in Proc. IEEE ICASSP, Brisbane, pp. 389–393, Apr. 2015. Paper.

T. Bäckström and C. R. Helmrich, «Arithmetic Coding of Speech and Audio Spectra Using TCX Based on Linear Predictive Spectral Envelopes», in Proc. IEEE ICASSP, Brisbane, pp. 5127–5131, Apr. 2015. Paper.

G. Fuchs, C. R. Helmrich, G. Marković, M. Neusinger, E. Ravelli, and T. Moriya, «Low Delay LPC and MDCT-Based Audio Coding in the EVS Codec», in Proc. IEEE ICASSP, Brisbane, pp. 5723–5727, Apr. 2015. Paper.

E. Ravelli, C. R. Helmrich, G. Fuchs, and M. Multrus, «Low-Complexity and Robust Cod­ing Mode Decision in the EVS Coder», in Proc. IEEE ICASSP, Brisbane, pp. 5888–5892, Apr. 2015. Paper.

T. Moriya, Y. Kamamoto, N. Harada, T. Bäckström, C. R. Helmrich, and G. Fuchs, «Harmonic Model for MDCT Based Audio Coding with LPC Envelope», in Proc. EURASIP 23^rd EUSIPCO, Nice, pp. 794–798, Sep. 2015. Paper.

C. R. Helmrich, A. Niedermeier, S. Bayer, and B. Edler, «Low-Complexity Semi-Para­metric Joint-Stereo Audio Transform Coding», in Proc. EURASIP 23^rd EUSIPCO, Nice, pp. 799–803, Sep. 2015. Paper.

C. R. Helmrich and B. Edler, «Signal-Adaptive Transform Kernel Switching for Stereo Audio Coding», in Proc. IEEE WASPAA, New Paltz, pp. 1–5, Oct. 2015. Paper.

C. R. Helmrich and M. Fischer, «Low-Delay Transform Coding Using the MPEG-H Audio Codec», in Proc. AES 139^th Convention, New York, preprint 9355, Oct. 2015. Paper.

2014

C. R. Helmrich, G. Marković, and B. Edler, «Improved Low-Delay MDCT-Based Coding of Both Stationary and Transient Audio Signals», in Proc. IEEE ICASSP, Florence, Italy, pp. 6954–6958, May 2014. Paper.

2013

M. Neuendorf, M. Multrus, N. Rettelbach, G. Fuchs, J. Robilliard, J. Lecomte, S. Wilde, S. Bayer, S. Disch, C. R. Helmrich, R. Lefebvre, P. Gournay, B. Bessette, J. Lapierre, K. Kjörling, H. Purnhagen, L. Villemoes, W. Oomen, E. Schuijers, K. Kikuiri, T. Chinen, T. Norimatsu, K.-S. Chong, E. Oh, M. Kim, S. Quackenbush, and B. Grill, «The ISO/MPEG Unified Speech and Audio Coding Standard—Consistent High Quality for All Content Types and at All Bitrates», Journal of the AES, vol. 61, no. 12, pp. 956–977, Dec. 2013. Journal article.

2012

M. Neuendorf, M. Multrus, N. Rettelbach, G. Fuchs, J. Robilliard, J. Lecomte, S. Wilde, S. Bayer, S. Disch, C. R. Helmrich, R. Lefebvre, P. Gournay, B. Bessette, J. Lapierre, K. Kjörling, H. Purnhagen, L. Villemoes, W. Oomen, E. Schuijers, K. Kikuiri, T. Chinen, T. Norimatsu, K.-S. Chong, E. Oh, M. Kim, S. Quackenbush, and B. Grill, «MPEG Unified Speech and Audio Coding—The ISO/MPEG Standard for High-Efficiency Audio Coding of All Content Types», in Proc. AES 132^nd Convention, Budapest, preprint 8654, Apr. 2012. Paper.

2011

C. R. Helmrich, P. Carlsson, S. Disch, B. Edler, J. Hilpert, M. Neusinger, H. Purnhagen, N. Rettelbach, J. Robilliard, and L. Villemoes, «Efficient Transform Coding of Two-Channel Audio Signals by Means of Complex-Valued Stereo Prediction», in Proc. IEEE ICASSP, Prague, pp. 497–500, May 2011. Paper.

2010

C. R. Helmrich, «On the Use of Sums of Sines in the Design of Signal Windows», in Proc. DAFx-10, Graz, poster session 8, Sep. 2010. Paper.

2008

M. Holters, C. R. Helmrich, and U. Zölzer, «Delay-Free Audio Coding Based on ADPCM and Error Feedback», in Proc. DAFx-08, Espoo, paper session 2d, Sep. 2008. Paper.

2007

C. R. Helmrich, M. Holters, and U. Zölzer, «Improved Psychoacoustic Noise Shaping for Requantization of High-Resolution Digital Audio», in Proc. AES 31^st International Con­ference, London, June 2007. Paper.