Abraham Alcaim

According to our database, Abraham Alcaim authored at least 28 papers between 1994 and 2019.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of five.

2019

Ideal neighbourhood mask for speech enhancement using deep neural networks.

Christian Arcos, Marley M. B. R. Vellasco, Abraham Alcaim

Proceedings of the International Joint Conference on Neural Networks, 2019

2016

Median filtering the temporal probability distribution in histogram mapping for robust continuous speech recognition.

Christian Arcos Gordillo, José Roberto Boisson de Marca, Abraham Alcaim

Proceedings of the 24th European Signal Processing Conference, 2016

2014

Speech enhancement and features compensation algorithms for continuous speech recognition.

Christian Arcos, Marco Grivet, Abraham Alcaim

Proceedings of the IEEE China Summit & International Conference on Signal and Information Processing, 2014

2009

Robust access based on speaker identification for optical communications security.

Leonardo Zão, Abraham Alcaim, Rosângela Coelho

Proceedings of the 16th International Conference on Digital Signal Processing, 2009

2008

Switching between the SA-DCT and the EI-DCT in arbitrarily shaped image coding.

Flávia M. Freitas, Abraham Alcaim

Int. J. Imaging Syst. Technol., 2008

LSF and LPC - derived features for Large Vocabulary Distributed Continuous Speech Recognition in Brazilian Portuguese.

Vladimir Fabregas Surigué de Alencar, Abraham Alcaim

Proceedings of the 42nd Asilomar Conference on Signals, Systems and Computers, 2008

2007

Features interpolation domain for distributed speech recognition and performance for ITU-t g.723.1 CODEC.

Vladimir Fabregas Surigué de Alencar, Abraham Alcaim

Proceedings of the 8th Annual Conference of the International Speech Communication Association, 2007

2006

Text-independent speaker recognition based on the Hurst parameter and the multidimensional fractional Brownian motion model.

R. Sant'Ana, Rosangela Coelho, Abraham Alcaim

IEEE Trans. Speech Audio Process., 2006

A Real-Time and Parametric Parallel Video Compression Architecture Using FPGA.

Cássio Alves Carneiro, Francisco M. P. Garcia, Flávia M. Freitas, Zélia M. A. Peixoto, Amanda R. M. Diniz, Abraham Alcaim

Proceedings of the Frontiers of High Performance Computing and Networking, 2006

2005

On the Performance of Hurst-Vectors for Speaker Identification Systems.

Ricardo Sant Ana, Rosangela Coelho, Abraham Alcaim

Proceedings of the Pattern Recognition and Data Mining, 2005

Transformations of LPC and LSF Parameters to Speech Recognition Features.

Vladimir Fabregas Surigué de Alencar, Abraham Alcaim

Proceedings of the Pattern Recognition and Data Mining, 2005

2004

Theoretical analysis and reduction of the quantization noise effects in the SA-DCT.

Emilio Carlos Acocella, Abraham Alcaim

Int. J. Imaging Syst. Technol., 2004

A New Classifier for Speaker Verification Based on the Fractional Brownian Motion Process.

Ricardo Sant Ana, Rosangela Coelho, Abraham Alcaim

Proceedings of the Text, Speech and Dialogue, 7th International Conference, 2004

2003

Subband decomposition strategies for object-based image coding.

Marcio Albuquerque de Souza, Emilio Carlos Acocella, Abraham Alcaim

Int. J. Imaging Syst. Technol., 2003

Effects of adaptive postfilters on the LSF quantisation for low bit rate speech coders in tandem connections.

Rodrigo C. de Lamare, Abraham Alcaim

Proceedings of the Seventh International Symposium on Signal Processing and Its Applications, 2003

2002

AR-vector using CMS for robust text independent speaker verification.

Charles B. de Lima, Dirceu G. da Silva, Abraham Alcaim, José Antonio Apolinário

Proceedings of the 14th International Conference on Digital Signal Processing, 2002

On the use of PCA in GMM and AR-vector models for text independent speaker verification.

Charles B. de Lima, Abraham Alcaim, José Antonio Apolinário

Proceedings of the 14th International Conference on Digital Signal Processing, 2002

2001

Mathematical formulation of shape-adaptive 2-D transforms.

Emilio Carlos Acocella, Abraham Alcaim

IEEE Signal Process. Lett., 2001

Alignment by phase of vertical coefficients in SA-DCT.

Emilio Carlos Acocella, Abraham Alcaim

IEEE Signal Process. Lett., 2001

Analysis of LSF switched-predictive vector quantisers.

Rodrigo C. de Lamare, Abraham Alcaim

Proceedings of the Sixth International Symposium on Signal Processing and its Applications, 2001

2000

Differential coding of speech LSF parameters using hybrid vector quantization and bidirectional prediction.

Lúcio Martins da Silva, Abraham Alcaim

IEEE Trans. Speech Audio Process., 2000

1998

CELP with priority to critical segments.

Lúcio Martins da Silva, Abraham Alcaim

Proceedings of the 9th European Signal Processing Conference, 1998

1996

Edge-preserving ADPCM and ECVQ coding of image sub-bands using subjective criteria.

Marcelo Mollica Jourdan, Abraham Alcaim

Proceedings of the Proceedings 1996 International Conference on Image Processing, 1996

1995

A modified CELP model with computationally efficient adaptive codebook search.

Lúcio Martins da Silva, Abraham Alcaim

IEEE Signal Process. Lett., 1995

1994

Backward adaptive lattice and transversal predictors in low-delay CELP coders.

Sergio Ricardo M. F. Aguiar, Abraham Alcaim

Signal Process., 1994

Performance of LSF vector quantizers for VSELP coders in noisy channels.

Sonia L. Q. Dall'Agnol, Abraham Alcaim, José Roberto Boisson de Marca

Eur. Trans. Telecommun., 1994

On the use of simulated annealing for error protection of CELP coders employing LSF vector quantizers.

Sonia L. Q. Dall'Agnol, José Roberto Boisson de Marca, Abraham Alcaim

Proceedings of 44th IEEE Vehicular Technology Conference: Creating Tomorrow's Mobile Systems, 1994

Identification of Dominant Coefficients in DCT Image Coders using Weighted Vector Quantization.

Luciano Vereda Oliveira, Abraham Alcaim

Proceedings of the Proceedings 1994 International Conference on Image Processing, 1994