A stochastic model for the convergence behavior of the affine projection algorithm for Gaussian inputs. - Sérgio J. M. de Almeida; José Carlos M. Bermudez; Neil J. Bershad; Márcio H. Costa (ICASSP (6), 2003)

A stochastic model for the affine projection algorithm operating in a nonstationary environment. - Sérgio J. M. de Almeida; José Carlos M. Bermudez; Neil J. Bershad (ICASSP (2), 2004)

Análise estatística do comportamento de uma classe de algoritmos de projeções afins - Sérgio Jose Melo de Almeida (2004)

A statistical analysis of the affine projection algorithm for unity step size and autoregressive inputs. - Sérgio J. M. de Almeida; José Carlos M. Bermudez; Neil J. Bershad; Márcio Holsbach Costa (IEEE Trans. Circuits Syst. I Regul. Pap., 2005)

Statistical analysis of the deficient length affine projection adaptive algorithm. - Sérgio J. M. de Almeida; Márcio Holsbach Costa; José C. M. Bermudez (EUSIPCO, 2007)

A low cost coupled LMS adaptive algorithm with affine projection performance for autorregressive inputs: Mean weight analysis. - Márcio Holsbach Costa; Sérgio J. M. de Almeida; Guilherme Holsbach Costa (EUSIPCO, 2008)

A stochastic model for the deficient length Pseudo Affine Projection adaptive algorithm. - Sérgio J. M. de Almeida; Márcio Holsbach Costa; José Carlos M. Bermudez (EUSIPCO, 2009)

High performance motion estimation architecture using efficient adder-compressors. - André Silva; Eduardo A. C. da Costa; Sérgio J. M. de Almeida; Marcelo Schiavon Porto; Sergio Bampi (SBCCI, 2009)

A Stochastic Model for a Pseudo Affine Projection Algorithm. - Sérgio J. M. de Almeida; José Carlos M. Bermudez; Neil J. Bershad (IEEE Trans. Signal Process., 2009)

A theoretical model for the deficient order pseudo-affine projection algorithm. - Sérgio J. M. de Almeida; Márcio Holsbach Costa; José Carlos M. Bermudez (EUSIPCO, 2010)

A stochastic model for the deficient order Affine Projection algorithm. - Sérgio J. M. de Almeida; Márcio Holsbach Costa; José Carlos M. Bermudez (ISSPA, 2010)

Efficient Dedicated Multiplication Blocks for 2's Complement Radix-2m Array Multipliers. - Leandro Zafalon Pieper; Eduardo A. C. da Costa; Sérgio J. M. de Almeida; Sergio Bampi; José C. Monteiro 001 (J. Comput., 2010)

High performance Haar Wavelet transform architecture. - João S. Altermann; Eduardo A. C. da Costa; Sérgio J. M. de Almeida (ECCTD, 2011)

New insights into the weight behaviour of the Affine Projection algorithm. - Márcio H. Costa; Sérgio J. M. de Almeida; José Carlos Moreira Bermudez; Rodrigo B. Barcelos (EUSIPCO, 2012)

Design of an efficient FPGA-based interference canceller structure using NLMS adaptive algorithm. - Eduardo A. C. da Costa; Sérgio J. M. de Almeida (ICECS, 2013)

Fixed-point adaptive filter architecture for the harmonics power line interference cancelling. - Gustavo Seibel; Fábio P. Itturriet; Eduardo Costa 001; Sérgio Almeida 001 (LASCAS, 2013)

Gray encoded fixed-point LMS adaptive filter architecture for the harmonics power line interference cancelling. - Eduardo A. C. da Costa; Sérgio J. M. de Almeida; Monica Matzenauer (SBCCI, 2013)

Region-Based Wavelet-Packet Adaptive Algorithm for Identification of Sparse Impulse Responses. - Odair A. Noskoski; José Carlos M. Bermudez; Sérgio J. M. de Almeida (IEEE Trans. Signal Process., 2013)

Floating-point adaptive filter architectures for the cancelling of harmonics power line interference. - Vagner Guidotti; Eduardo A. C. da Costa; Sérgio J. M. de Almeida; Mateus Fonseca (ICECS, 2015)

Power efficient 2-D rounded cosine transform with adder compressors for image compression. - Guilherme Paim; Mateus Fonseca; Eduardo A. C. da Costa; Sérgio J. M. de Almeida (ICECS, 2015)

Exploiting architectural solutions for IIR filter architecture with truncation error feedback. - Gustavo Ott; Eduardo A. C. da Costa; Sérgio J. M. de Almeida; Mateus Fonseca (LASCAS, 2016)

Exploiting adder compressors for power-efficient 2-D approximate DCT realization. - Tiago Schiavon; Guilherme Paim; Mateus Fonseca; Eduardo A. C. da Costa; Sérgio J. M. de Almeida (LASCAS, 2016)

A New Theoretical Model for the Pseudo Affine Projection Algorithm for Unity Step Size and Autoregressive Inputs. - Márcio Holsbach Costa; Sérgio J. M. de Almeida; José Carlos M. Bermudez (IEEE Trans. Signal Process., 2016)

Improved goldschmidt algorithm for fast and energy-efficient fixed-point divider. - Guilherme Paim; Pedro Marques; Eduardo A. C. da Costa; Sérgio J. M. de Almeida; Sergio Bampi (ICECS, 2017)

A new kernel Kalman filter algorithm for estimating time-varying nonlinear systems. - Juliano B. Rosinha; Sérgio J. M. de Almeida; José C. M. Bermudez (ISCAS, 2017)

Energy-based voice activity detection algorithm using Gaussian and Cauchy kernels. - Aminadabe dos Santos Pires Soares; Wemerson Delcio Parreira; Everton Granemann Souza; Sérgio Jose Melo de Almeida; Cláudio Machado Diniz; Chiara das Dores do Nascimento; Matheus F. Stigger (LASCAS, 2018)

Power System Frequency Estimation U Sing the Kernel Least Mean Square Algorithm and the Clarke Transform. - Maicon Robe Ferreira; Sérgio Jose Melo de Almeida; Eduardo Antonio Cesar da Costa (NGCAS, 2018)

Non-Destructive Prediction of Pork Meat Degradation using a Stacked Autoencoder Classifier on Hyperspectral Images. - B. B. Gallo; Sérgio J. M. de Almeida; José C. M. Bermudez; Jie Chen 022; Cédric Richard (EUSIPCO, 2019)

Exploring Architectural Solutions for an Energy-Efficient Kalman Filter Gain Realization. - Pedro Tauã Lopes Pereira; Guilherme Paim; Patrícia Ücker; Eduardo A. C. da Costa; Sérgio J. M. de Almeida; Sergio Bampi (ICECS, 2019)

IIR Filter Architectures with Truncation Error Feedback for ECG Signal Processing. - Gustavo Ott; Eduardo A. C. da Costa; Sérgio J. M. de Almeida; Mateus Beck Fonseca (Circuits Syst. Signal Process., 2019)

Voice Activity Detection Using Generalized Exponential Kernels for Time and Frequency Domains. - Aminadabe dos Santos Pires Soares; Wemerson Delcio Parreira; Everton Granemann Souza; Chiara das Dores do Nascimento; Sérgio Jose Melo de Almeida (IEEE Trans. Circuits Syst. I Regul. Pap., 2019)

An Efficient NLMS-based VLSI Architecture for Robust FECG Extraction and FHR Processing. - Patrícia U. L. da Costa; Guilherme Paim; Leandro M. G. Rocha; Eduardo A. C. da Costa; Sérgio Almeida 001; Sergio Bampi (ICECS, 2020)

Exploring NLMS and IPNLMS Adaptive Filtering VLSI Hardware Architectures for Robust EEG Signal Artifacts Elimination. - Andrei La Rosa; Patrícia Ücker; Guilherme Paim; Eduardo A. C. da Costa; Sérgio J. M. de Almeida; Sergio Bampi (ICECS, 2020)

Energy-Efficient Haar Transform Architectures Using Efficient Addition Schemes. - Henrique Seidel; Morgana Macedo Azevedo da Rosa; Guilherme Paim; Eduardo A. C. da Costa; Sérgio J. M. de Almeida; Sergio Bampi (LASCAS, 2020)

Power-Efficient Approximate Newton-Raphson Integer Divider Applied to NLMS Adaptive Filter for High-Quality Interference Cancelling. - Vagner Guidotti; Guilherme Paim; Leandro M. G. Rocha; Eduardo A. C. da Costa; Sérgio J. M. de Almeida; Sergio Bampi (Circuits Syst. Signal Process., 2020)

A Homogeneity-Based Multiscale Hyperspectral Image Representation for Sparse Spectral Unmixing. - Luciano C. Ayres; Sérgio J. M. de Almeida; José C. M. Bermudez; Ricardo Augusto Borsoi (ICASSP, 2021)

Exploring Approximate Adders for Power-Efficient Harmonics Elimination Hardware Architectures. - Pedro Tauã Lopes Pereira; Guilherme Paim; Guilherme da Costa Ferreira; Eduardo A. C. da Costa; Sérgio Almeida 001; Sergio Bampi (LASCAS, 2021)

Exploring NLMS-Based Adaptive Filter Hardware Architectures for Eliminating Power Line Interference in EEG Signals. - Andrei La Rosa; Pedro Tauã Lopes Pereira; Patrícia Ücker; Guilherme Paim; Eduardo A. C. da Costa; Sergio Bampi; Sérgio Almeida 001 (Circuits Syst. Signal Process., 2021)

Fixed-Point NLMS and IPNLMS VLSI Architectures for Accurate FECG and FHR Processing. - Patrícia Ücker Leleu da Costa; Guilherme Paim; Leandro Mateus Giacomini Rocha; Eduardo Antônio César da Costa; Sérgio Jose Melo de Almeida; Sergio Bampi (IEEE Trans. Biomed. Circuits Syst., 2021)

Approximate Pruned and Truncated Haar Discrete Wavelet Transform VLSI Hardware for Energy-Efficient ECG Signal Processing. - Henrique Seidel; Morgana Macedo Azevedo da Rosa; Guilherme Paim; Eduardo Antônio César da Costa; Sérgio J. M. de Almeida; Sergio Bampi (IEEE Trans. Circuits Syst. I Regul. Pap., 2021)

An Energy-Efficient Haar Wavelet Transform Architecture for Respiratory Signal Processing. - Morgana Macedo Azevedo da Rosa; Henrique Seidel; Guilherme Paim; Eduardo A. C. da Costa; Sérgio J. M. de Almeida; Sergio Bampi (IEEE Trans. Circuits Syst. II Express Briefs, 2021)

Architectural Exploration for Energy-Efficient Fixed-Point Kalman Filter VLSI Design. - Pedro Tauã Lopes Pereira; Guilherme Paim; Patrícia Ücker Leleu da Costa; Eduardo Antônio César da Costa; Sérgio Jose Melo de Almeida; Sergio Bampi (IEEE Trans. Very Large Scale Integr. Syst., 2021)

Exploring Approximate Arithmetic Units for a Power-Efficient Kalman Gain VLSI Design. - Pedro Tauã Lopes Pereira; Guilherme Paim; Eduardo A. C. da Costa; Sérgio J. M. de Almeida; Sergio Bampi (ICECS 2022, 2022)

ReAdapt: A Reconfigurable Datapath for Runtime Energy-Quality Scalable Adaptive Filters. - Pedro Tauã Lopes Pereira; Guilherme Paim; Eduardo Antônio César da Costa; Sérgio Jose Melo de Almeida; Sergio Bampi (IEEE Trans. Circuits Syst. I Regul. Pap., 2023)

Hierarchical Homogeneity-Based Superpixel Segmentation: Application to Hyperspectral Image Analysis. - Luciano Carvalho Ayres; Sérgio Jose Melo de Almeida; José Carlos Moreira Bermudez; Ricardo Augusto Borsoi (CoRR, 2024)

A Generalized Multiscale Bundle-Based Hyperspectral Sparse Unmixing Algorithm. - Luciano C. Ayres; Ricardo Augusto Borsoi; José C. M. Bermudez; Sérgio J. M. de Almeida (IEEE Geosci. Remote. Sens. Lett., 2024)

MAxPy: A Framework for Bridging Approximate Computing Circuits to Its Applications. - Yuri Arbeletche; Guilherme Paim; Brunno Abreu; Sérgio Almeida 001; Eduardo Costa 001; Paulo F. Flores; Sergio Bampi (IEEE Trans. Circuits Syst. II Express Briefs, 2024)

VLSI Architecture for Energy-Efficient and Accurate Pre-Processing Pan-Tompkins Design. - Léo Ribeiro; Patrícia U. L. da Costa; Guilherme Paim; Eduardo A. C. da Costa; Sérgio Jose Melo de Almeida; Sergio Bampi (IEEE Trans. Circuits Syst. II Express Briefs, 2024)

On the variance of the LMS algorithm squared-error sample curve. - Marcos H. Maruo; Sérgio J. M. de Almeida; José C. M. Bermudez (Signal Process., 2026)