Vítor de A. Coutinho

18 papers Journal 16Unranked 2
YearRankTypeTitle / Venue / Authors
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
2023 — conf
Hardware-Based Acceleration of an Approximate 2D DCT for a System-on-Chip.
SIoT
Vítor de A. Coutinho, Gabor Sipkoi, Cristóvão Zuppardo Rufino, José R. de Oliveira-Neto
2023 J jnl
Low-complexity Multidimensional DCT Approximations.
CoRR
Vítor de A. Coutinho, Renato J. Cintra, Fábio M. Bayer
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 Three-dimensional Discrete Hartley Transform Approximations for Medical Image Compression.
CoRR
Vítor de A. Coutinho, Fábio M. Bayer, Renato J. Cintra
2021 J jnl
Low-complexity three-dimensional discrete Hartley transform approximations for medical image compression.
Comput. Biol. Medicine
Vítor de A. Coutinho, Renato J. Cintra, Fábio M. Bayer
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
2018 J jnl
Pruned Discrete Tchebichef Transform Approximation for Image Compression.
Circuits Syst. Signal Process.
Vítor de A. Coutinho, Renato J. Cintra, Fábio M. Bayer, Paulo A. M. Oliveira, Raíza S. Oliveira, Arjuna Madanayake
2017 J jnl
Low-Complexity Multidimensional DCT Approximations for High-Order Tensor Data Decorrelation.
IEEE Trans. Image Process.
Vítor de A. Coutinho, Renato J. Cintra, Fábio M. Bayer
2016 J jnl
A multiplierless pruned DCT-like transformation for image and video compression that requires ten additions only.
J. Real Time Image Process.
Vítor de A. Coutinho, Renato J. Cintra, Fábio M. Bayer, Sunera Kulasekera, Arjuna Madanayake
2016 J jnl
Energy-Efficient 8-Point DCT Approximations: Theory and Hardware Architectures.
Circuits Syst. Signal Process.
Renato J. Cintra, Fábio M. Bayer, Vítor de A. Coutinho, Sunera Kulasekera, Arjuna Madanayake, André Leite
2016 J jnl
Energy-efficient 8-point DCT Approximations: Theory and Hardware Architectures.
CoRR
Renato J. Cintra, Fábio M. Bayer, Vítor de A. Coutinho, Sunera Kulasekera, Arjuna Madanayake
2016 J jnl
Low-complexity Pruned 8-point DCT Approximations for Image Encoding.
CoRR
Vítor de A. Coutinho, Renato J. Cintra, Fábio M. Bayer, Sunera Kulasekera, Arjuna Madanayake
2015 — conf
Low-complexity pruned 8-point DCT approximations for image encoding.
CONIELECOMP
Vítor de A. Coutinho, Renato J. Cintra, Fábio M. Bayer, Sunera Kulasekera, Arjuna Madanayake
2014 J jnl
DCT-like Transform for Image and Video Compression Requires 10 Additions Only.
CoRR
Renato J. Cintra, Fábio M. Bayer, Vítor de A. Coutinho, Sunera Kulasekera, Arjuna Madanayake