Diego F. G. Coelho

29 papers C 1Journal 25Unranked 2
YearRankTypeTitle / Venue / Authors
2024 J jnl
Discrete Fourier Transform Approximations Based on the Cooley-Tukey Radix-2 Algorithm.
CoRR
Diego F. G. Coelho, Renato J. Cintra
2024 J jnl
Fast Data-independent KLT Approximations Based on Integer Functions.
CoRR
Anabeth P. Radünz, Diego F. G. Coelho, Fábio M. Bayer, Renato J. Cintra, Arjuna Madanayake
2024 J jnl
Fast data-independent KLT approximations based on integer functions.
Multim. Tools Appl.
Anabeth P. Radünz, Diego F. G. Coelho, Fábio M. Bayer, Renato J. Cintra, Arjuna Madanayake
2024 J jnl
Gaussian Kernel Approximations Require Only Bit-Shifts.
Inf.
Renato J. Cintra, Paulo Martinez, André Leite, Vítor de A. Coutinho, Fábio M. Bayer, Arjuna Madanayake, Diego F. G. Coelho
2022 J jnl
A Class of Low-Complexity DCT-Like Transforms for Image and Video Coding.
IEEE Trans. Circuits Syst. Video Technol.
Thiago L. T. da Silveira, Diego Ramos Canterle, Diego F. G. Coelho, Vítor de A. Coutinho, Fábio M. Bayer, Renato J. Cintra
2022 J jnl
A Class of Low-complexity DCT-like Transforms for Image and Video Coding.
CoRR
Thiago L. T. da Silveira, Diego Ramos Canterle, Diego F. G. Coelho, Vítor de A. Coutinho, Fábio M. Bayer, Renato J. Cintra
2022 J jnl
Fast Radix-32 Approximate DFTs for 1024-Beam Digital RF Beamforming.
CoRR
Arjuna Madanayake, Renato J. Cintra, Najath Akram, Viduneth Ariyarathna, Soumyajit Mandal, Vítor de A. Coutinho, Fábio M. Bayer, Diego F. G. Coelho, Theodore S. Rappaport
2022 J jnl
Low-Complexity Loeffler DCT Approximations for Image and Video Coding.
CoRR
Diego F. G. Coelho, Renato J. Cintra, Fábio M. Bayer, Sunera Kulasekera, Arjuna Madanayake, P. A. C. Martinez, Thiago L. T. da Silveira, Raíza S. Oliveira, Vassil S. Dimitrov
2022 J jnl
Radix-$N$ Algorithm for Computing $N^{2^{n}}$-Point DFT Approximations.
IEEE Signal Process. Lett.
Luan Portella, Diego F. G. Coelho, Fábio M. Bayer, Arjuna Madanayake, Renato J. Cintra
2022 J jnl
Towards a Low-SWaP 1024-beam Digital Array: A 32-beam Sub-system at 5.8 GHz.
CoRR
Arjuna Madanayake, Viduneth Ariyarathna, Suresh Madishetty, Sravan Kumar Pulipati, Renato J. Cintra, Diego F. G. Coelho, Raíza Oliveira, Fábio M. Bayer, Leonid Belostotski, Soumyajit Mandal, Theodore S. Rappaport
2021 J jnl
Low-Complexity Scaling Methodsfor DCT-II Approximations.
IEEE Trans. Signal Process.
Diego F. G. Coelho, Renato J. Cintra, Arjuna Madanayake, Sirani M. Perera
2021 J jnl
Low-complexity Scaling Methods for DCT-II Approximations.
CoRR
Diego F. G. Coelho, Renato J. Cintra, Arjuna Madanayake, Sirani M. Perera
2020 J jnl
A Low-SWaP 16-Beam 2.4 GHz Digital Phased Array Receiver Using DFT Approximation.
IEEE Trans. Aerosp. Electron. Syst.
Vítor de A. Coutinho, Viduneth Ariyarathna, Diego F. G. Coelho, Sravan Kumar Pulipati, Renato J. Cintra, Arjuna Madanayake, Fábio M. Bayer, Vassil S. Dimitrov
2020 J jnl
Fast Radix-32 Approximate DFTs for 1024-Beam Digital RF Beamforming.
IEEE Access
Arjuna Madanayake, Renato J. Cintra, Najath Akram, Viduneth Ariyarathna, Soumyajit Mandal, Vítor de A. Coutinho, Fábio M. Bayer, Diego F. G. Coelho, Theodore S. Rappaport
2020 J jnl
Low-complexity Architecture for AR(1) Inference.
CoRR
A. Borges Jr., Renato J. Cintra, Diego F. G. Coelho, Vassil S. Dimitrov
2018 — —
Advanced Methods for Efficient Digital Signal Processing and Matrix-Based Computations.
Diego F. G. Coelho
2018 J jnl
Analog Approximate-FFT 8/16-Beam Algorithms, Architectures and CMOS Circuits for 5G Beamforming MIMO Transceivers.
IEEE J. Emerg. Sel. Topics Circuits Syst.
Viduneth Ariyarathna, Arjuna Madanayake, Xinyao Tang, Diego F. G. Coelho, Renato J. Cintra, Leonid Belostotski, Soumyajit Mandal, Theodore S. Rappaport
2018 J jnl
Computation of 2D 8×8 DCT Based on the Loeffler Factorization Using Algebraic Integer Encoding.
IEEE Trans. Computers
Diego F. G. Coelho, Sushmabhargavi Nimmalapalli, Vassil S. Dimitrov, Arjuna Madanayake, Renato J. Cintra, Arnaud Tisserand
2018 J jnl
Efficient Computation of the 8-point DCT via Summation by Parts.
CoRR
Diego F. G. Coelho, Renato J. Cintra, Vassil S. Dimitrov
2018 J jnl
Efficient Computation of the 8-point DCT via Summation by Parts.
J. Signal Process. Syst.
Diego F. G. Coelho, Renato J. Cintra, Vassil S. Dimitrov
2018 J jnl
Efficient computation of tridiagonal matrices largest eigenvalue.
J. Comput. Appl. Math.
Diego F. G. Coelho, Vassil S. Dimitrov, Logan Rakai
2018 J jnl
Fast Matrix Inversion and Determinant Computation for Polarimetric Synthetic Aperture Radar.
CoRR
Diego F. G. Coelho, Renato J. Cintra, Alejandro C. Frery, Vassil S. Dimitrov
2018 J jnl
Fast matrix inversion and determinant computation for Polarimetric Synthetic Aperture Radar.
Comput. Geosci.
Diego F. G. Coelho, Renato J. Cintra, Alejandro César Frery, Vassil S. Dimitrov
2017 C conf
A Parallel Method for the Computation of Matrix Exponential Based on Truncated Neumann Series.
ARITH
Vassil S. Dimitrov, Viduneth Ariyarathna, Diego F. G. Coelho, Logan Rakai, Arjuna Madanayake, Renato J. Cintra
2017 J jnl
DFT Computation Using Gauss-Eisenstein Basis: FFT Algorithms and VLSI Architectures.
IEEE Trans. Computers
Diego F. G. Coelho, Renato J. Cintra, Nilanka T. Rajapaksha, Gihan J. Mendis, Arjuna Madanayake, Vassil S. Dimitrov
2017 — conf
Fast estimation of tridiagonal matrices largest eigenvalue.
CCECE
Diego F. G. Coelho, Vassil S. Dimitrov
2017 J jnl
On the Computation of Neumann Series.
CoRR
Vassil S. Dimitrov, Diego F. G. Coelho
2016 — conf
Detection of neovascularization near the optic disk due to diabetic retinopathy.
EUSIPCO
Diego F. G. Coelho, Rangaraj M. Rangayyan, Vassil S. Dimitrov
2016 J jnl
Error-free computation of 8-point discrete cosine transform based on the Loeffler factorisation and algebraic integers.
IET Signal Process.
Diego F. G. Coelho, Renato J. Cintra, Sunera Kulasekera, Arjuna Madanayake, Vassil S. Dimitrov