Sérgio J. M. de Almeida

36 papers C 1Misc 1Journal 11Unranked 23
YearRankTypeTitle / Venue / Authors
2026 — conf
A Cross-Layer Single-Cycle Approximate Fixed-Point Square Root Unit.
LASCAS
Samuel Wachholz, Leonardo Gonçalves, Leonardo Antonietti, Morgana M. A. da Rosa, Sérgio J. M. de Almeida, Eduardo A. C. da Costa, Rafael Soares
2026 J jnl
On the variance of the LMS algorithm squared-error sample curve.
Signal Process.
Marcos H. Maruo, Sérgio J. M. de Almeida, José C. M. Bermudez
2024 J jnl
A Generalized Multiscale Bundle-Based Hyperspectral Sparse Unmixing Algorithm.
IEEE Geosci. Remote. Sens. Lett.
Luciano C. Ayres, Ricardo Augusto Borsoi, José C. M. Bermudez, Sérgio J. M. de Almeida
2022 — conf
Exploring Approximate Arithmetic Units for a Power-Efficient Kalman Gain VLSI Design.
ICECS 2022
Pedro T. L. Pereira, Guilherme Paim, Eduardo A. C. da Costa, Sérgio J. M. de Almeida, Sergio Bampi
2021 Misc conf
A Homogeneity-Based Multiscale Hyperspectral Image Representation for Sparse Spectral Unmixing.
ICASSP
Luciano C. Ayres, Sérgio J. M. de Almeida, José C. M. Bermudez, Ricardo Augusto Borsoi
2021 J jnl
An Energy-Efficient Haar Wavelet Transform Architecture for Respiratory Signal Processing.
IEEE Trans. Circuits Syst. II Express Briefs
Morgana Macedo Azevedo da Rosa, Henrique Seidel, Guilherme Paim, Eduardo A. C. da Costa, Sérgio J. M. de Almeida, Sergio Bampi
2021 J jnl
Approximate Pruned and Truncated Haar Discrete Wavelet Transform VLSI Hardware for Energy-Efficient ECG Signal Processing.
IEEE Trans. Circuits Syst. I Regul. Pap.
Henrique Seidel, Morgana Macedo Azevedo da Rosa, Guilherme Paim, Eduardo Antônio César da Costa, Sérgio J. M. de Almeida, Sergio Bampi
2020 — conf
Energy-Efficient Haar Transform Architectures Using Efficient Addition Schemes.
LASCAS
Henrique Seidel, Morgana Macedo Azevedo da Rosa, Guilherme Paim, Eduardo A. C. da Costa, Sérgio J. M. de Almeida, Sergio Bampi
2020 — conf
Exploring NLMS and IPNLMS Adaptive Filtering VLSI Hardware Architectures for Robust EEG Signal Artifacts Elimination.
ICECS
Andrei La Rosa, Patrícia Ücker, Guilherme Paim, Eduardo A. C. da Costa, Sérgio J. M. de Almeida, Sergio Bampi
2020 J jnl
Power-Efficient Approximate Newton-Raphson Integer Divider Applied to NLMS Adaptive Filter for High-Quality Interference Cancelling.
Circuits Syst. Signal Process.
Vagner Guidotti, Guilherme Paim, Leandro M. G. Rocha, Eduardo A. C. da Costa, Sérgio J. M. de Almeida, Sergio Bampi
2019 — conf
Exploring Architectural Solutions for an Energy-Efficient Kalman Filter Gain Realization.
ICECS
Pedro T. L. Pereira, Guilherme Paim, Patrícia Ücker, Eduardo A. C. da Costa, Sérgio J. M. de Almeida, Sergio Bampi
2019 J jnl
IIR Filter Architectures with Truncation Error Feedback for ECG Signal Processing.
Circuits Syst. Signal Process.
Gustavo Ott, Eduardo A. C. da Costa, Sérgio J. M. de Almeida, Mateus Beck Fonseca
2019 — conf
Non-Destructive Prediction of Pork Meat Degradation using a Stacked Autoencoder Classifier on Hyperspectral Images.
EUSIPCO
B. B. Gallo, Sérgio J. M. de Almeida, José C. M. Bermudez, Jie Chen, Cédric Richard
2017 C conf
A new kernel Kalman filter algorithm for estimating time-varying nonlinear systems.
ISCAS
Juliano B. Rosinha, Sérgio J. M. de Almeida, José C. M. Bermudez
2017 — conf
Improved goldschmidt algorithm for fast and energy-efficient fixed-point divider.
ICECS
Guilherme Paim, Pedro Marques, Eduardo A. C. da Costa, Sérgio J. M. de Almeida, Sergio Bampi
2016 J jnl
A New Theoretical Model for the Pseudo Affine Projection Algorithm for Unity Step Size and Autoregressive Inputs.
IEEE Trans. Signal Process.
Márcio Holsbach Costa, Sérgio J. M. de Almeida, José Carlos M. Bermudez
2016 — conf
Exploiting adder compressors for power-efficient 2-D approximate DCT realization.
LASCAS
Tiago Schiavon, Guilherme Paim, Mateus Fonseca, Eduardo A. C. da Costa, Sérgio J. M. de Almeida
2016 — conf
Exploiting architectural solutions for IIR filter architecture with truncation error feedback.
LASCAS
Gustavo Ott, Eduardo A. C. da Costa, Sérgio J. M. de Almeida, Mateus Fonseca
2015 — conf
Floating-point adaptive filter architectures for the cancelling of harmonics power line interference.
ICECS
Vagner Guidotti, Eduardo A. C. da Costa, Sérgio J. M. de Almeida, Mateus Fonseca
2015 — conf
Power efficient 2-D rounded cosine transform with adder compressors for image compression.
ICECS
Guilherme Paim, Mateus Fonseca, Eduardo A. C. da Costa, Sérgio J. M. de Almeida
2013 — conf
Design of an efficient FPGA-based interference canceller structure using NLMS adaptive algorithm.
ICECS
Eduardo A. C. da Costa, Sérgio J. M. de Almeida
2013 — conf
Gray encoded fixed-point LMS adaptive filter architecture for the harmonics power line interference cancelling.
SBCCI
Eduardo A. C. da Costa, Sérgio J. M. de Almeida, Monica Matzenauer
2013 J jnl
Region-Based Wavelet-Packet Adaptive Algorithm for Identification of Sparse Impulse Responses.
IEEE Trans. Signal Process.
Odair A. Noskoski, José Carlos M. Bermudez, Sérgio J. M. de Almeida
2012 — conf
New insights into the weight behaviour of the Affine Projection algorithm.
EUSIPCO
Márcio H. Costa, Sérgio J. M. de Almeida, José Carlos Moreira Bermudez, Rodrigo B. Barcelos
2011 — conf
High performance Haar Wavelet transform architecture.
ECCTD
João S. Altermann, Eduardo A. C. da Costa, Sérgio J. M. de Almeida
2010 — conf
A stochastic model for the deficient order Affine Projection algorithm.
ISSPA
Sérgio J. M. de Almeida, Márcio Holsbach Costa, José Carlos M. Bermudez
2010 — conf
A theoretical model for the deficient order pseudo-affine projection algorithm.
EUSIPCO
Sérgio J. M. de Almeida, Márcio Holsbach Costa, José Carlos M. Bermudez
2010 J jnl
Efficient Dedicated Multiplication Blocks for 2's Complement Radix-2m Array Multipliers.
J. Comput.
Leandro Zafalon Pieper, Eduardo A. C. da Costa, Sérgio J. M. de Almeida, Sergio Bampi, José C. Monteiro
2009 J jnl
A Stochastic Model for a Pseudo Affine Projection Algorithm.
IEEE Trans. Signal Process.
Sérgio J. M. de Almeida, José Carlos M. Bermudez, Neil J. Bershad
2009 — conf
A stochastic model for the deficient length Pseudo Affine Projection adaptive algorithm.
EUSIPCO
Sérgio J. M. de Almeida, Márcio Holsbach Costa, José Carlos M. Bermudez
2009 — conf
High performance motion estimation architecture using efficient adder-compressors.
SBCCI
André Silva, Eduardo A. C. da Costa, Sérgio J. M. de Almeida, Marcelo Schiavon Porto, Sergio Bampi
2008 — conf
A low cost coupled LMS adaptive algorithm with affine projection performance for autorregressive inputs: Mean weight analysis.
EUSIPCO
Márcio Holsbach Costa, Sérgio J. M. de Almeida, Guilherme Holsbach Costa
2007 — conf
Statistical analysis of the deficient length affine projection adaptive algorithm.
EUSIPCO
Sérgio J. M. de Almeida, Márcio Holsbach Costa, José C. M. Bermudez
2005 J jnl
A statistical analysis of the affine projection algorithm for unity step size and autoregressive inputs.
IEEE Trans. Circuits Syst. I Regul. Pap.
Sérgio J. M. de Almeida, José Carlos M. Bermudez, Neil J. Bershad, Márcio Holsbach Costa
2004 — conf
A stochastic model for the affine projection algorithm operating in a nonstationary environment.
ICASSP (2)
Sérgio J. M. de Almeida, José Carlos M. Bermudez, Neil J. Bershad
2003 — conf
A stochastic model for the convergence behavior of the affine projection algorithm for Gaussian inputs.
ICASSP (6)
Sérgio J. M. de Almeida, José Carlos M. Bermudez, Neil J. Bershad, Márcio H. Costa