Detection of neovascularization near the optic disk due to diabetic retinopathy. - Diego F. G. Coelho; Rangaraj M. Rangayyan; Vassil S. Dimitrov (EUSIPCO, 2016)

Error-free computation of 8-point discrete cosine transform based on the Loeffler factorisation and algebraic integers. - Diego F. G. Coelho; Renato J. Cintra; Sunera Kulasekera; Arjuna Madanayake; Vassil S. Dimitrov (IET Signal Process., 2016)

A Parallel Method for the Computation of Matrix Exponential Based on Truncated Neumann Series. - Vassil S. Dimitrov; Viduneth Ariyarathna; Diego F. G. Coelho; Logan Rakai; Arjuna Madanayake; Renato J. Cintra (ARITH, 2017)

Fast estimation of tridiagonal matrices largest eigenvalue. - Diego F. G. Coelho; Vassil S. Dimitrov (CCECE, 2017)

On the Computation of Neumann Series. - Vassil S. Dimitrov; Diego F. G. Coelho (CoRR, 2017)

DFT Computation Using Gauss-Eisenstein Basis: FFT Algorithms and VLSI Architectures. - Diego F. G. Coelho; Renato J. Cintra; Nilanka T. Rajapaksha; Gihan J. Mendis; Arjuna Madanayake; Vassil S. Dimitrov (IEEE Trans. Computers, 2017)

Analog Approximate-FFT 8/16-Beam Algorithms, Architectures and CMOS Circuits for 5G Beamforming MIMO Transceivers. - Viduneth Ariyarathna; Arjuna Madanayake; Xinyao Tang; Diego F. G. Coelho; Renato J. Cintra; Leonid Belostotski; Soumyajit Mandal; Theodore S. Rappaport (IEEE J. Emerg. Sel. Topics Circuits Syst., 2018)

Fast matrix inversion and determinant computation for Polarimetric Synthetic Aperture Radar. - Diego F. G. Coelho; Renato J. Cintra; Alejandro César Frery; Vassil S. Dimitrov (Comput. Geosci., 2018)

Efficient computation of tridiagonal matrices largest eigenvalue. - Diego F. G. Coelho; Vassil S. Dimitrov; Logan Rakai (J. Comput. Appl. Math., 2018)

Computation of 2D 8×8 DCT Based on the Loeffler Factorization Using Algebraic Integer Encoding. - Diego F. G. Coelho; Sushmabhargavi Nimmalapalli; Vassil S. Dimitrov; Arjuna Madanayake; Renato J. Cintra; Arnaud Tisserand (IEEE Trans. Computers, 2018)

Efficient Computation of the 8-point DCT via Summation by Parts. - Diego F. G. Coelho; Renato J. Cintra; Vassil S. Dimitrov (J. Signal Process. Syst., 2018)

Advanced Methods for Efficient Digital Signal Processing and Matrix-Based Computations. - Diego F. G. Coelho (2018)

Fast Radix-32 Approximate DFTs for 1024-Beam Digital RF Beamforming. - 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 (IEEE Access, 2020)

Low-complexity Architecture for AR(1) Inference. - A. Borges Jr.; Renato J. Cintra; Diego F. G. Coelho; Vassil S. Dimitrov (CoRR, 2020)

A Low-SWaP 16-Beam 2.4 GHz Digital Phased Array Receiver Using DFT Approximation. - Vítor de A. Coutinho; Viduneth Ariyarathna; Diego F. G. Coelho; Sravan Kumar Pulipati; Renato J. Cintra; Arjuna Madanayake; Fábio M. Bayer; Vassil S. Dimitrov (IEEE Trans. Aerosp. Electron. Syst., 2020)

Low-complexity Scaling Methods for DCT-II Approximations. - Diego F. G. Coelho; Renato J. Cintra; Arjuna Madanayake; Sirani M. Perera (CoRR, 2021)

Low-Complexity Scaling Methodsfor DCT-II Approximations. - Diego F. G. Coelho; Renato J. Cintra; Arjuna Madanayake; Sirani M. Perera (IEEE Trans. Signal Process., 2021)

Towards a Low-SWaP 1024-beam Digital Array: A 32-beam Sub-system at 5.8 GHz. - 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 (CoRR, 2022)

Low-Complexity Loeffler DCT Approximations for Image and Video Coding. - 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 (CoRR, 2022)

Radix-$N$ Algorithm for Computing $N^{2^{n}}$-Point DFT Approximations. - Luan Portella; Diego F. G. Coelho; Fábio M. Bayer; Arjuna Madanayake; Renato J. Cintra (IEEE Signal Process. Lett., 2022)

A Class of Low-Complexity DCT-Like Transforms for Image and Video Coding. - Thiago L. T. da Silveira; Diego Ramos Canterle; Diego F. G. Coelho; Vítor de A. Coutinho; Fábio M. Bayer; Renato J. Cintra (IEEE Trans. Circuits Syst. Video Technol., 2022)

Discrete Fourier Transform Approximations Based on the Cooley-Tukey Radix-2 Algorithm. - Diego F. G. Coelho; Renato J. Cintra (CoRR, 2024)

Fast data-independent KLT approximations based on integer functions. - Anabeth P. Radünz; Diego F. G. Coelho; Fábio M. Bayer; Renato J. Cintra; Arjuna Madanayake (Multim. Tools Appl., 2024)