Renato J. Cintra

According to our database1, Renato J. Cintra authored at least 88 papers between 2002 and 2021.

Collaborative distances:
  • Dijkstra number2 of four.
  • Erdős number3 of four.



In proceedings 
PhD thesis 


Online presence:



Signal detection and inference based on the beta binomial autoregressive moving average model.
Digit. Signal Process., 2021

Geometrical Representation for Number-theoretic Transforms.
CoRR, 2021

A Low-SWaP 16-Beam 2.4 GHz Digital Phased Array Receiver Using DFT Approximation.
IEEE Trans. Aerosp. Electron. Syst., 2020

A Multiparametric Class of Low-complexity Transforms for Image and Video Coding.
Signal Process., 2020

Wavelength-Resolution SAR Ground Scene Prediction Based on Image Stack.
Sensors, 2020

The compound truncated Poisson Cauchy model: A descriptor for multimodal data.
J. Comput. Appl. Math., 2020

Multi-dimensional wavelets for scalable image decomposition: Orbital wavelets.
Int. J. Wavelets Multiresolution Inf. Process., 2020

Low-complexity Architecture for AR(1) Inference.
CoRR, 2020

Rounded Hartley Transform: A Quasi-involution.
CoRR, 2020

Multidimensional Wavelets for Scalable Image Decomposition: Orbital Wavelets.
CoRR, 2020

Radix-2 Self-Recursive Sparse Factorizations of Delay Vandermonde Matrices for Wideband Multi-Beam Antenna Arrays.
IEEE Access, 2020

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

Low-Complexity Real-Time Light Field Compression using 4-D Approximate DCT.
Proceedings of the IEEE International Symposium on Circuits and Systems, 2020

Detecting Changes in Fully Polarimetric SAR Imagery With Statistical Information Theory.
IEEE Trans. Geosci. Remote. Sens., 2019

An iterative wavelet threshold for signal denoising.
Signal Process., 2019

Low-complexity 8-point DCT approximation based on angle similarity for image and video coding.
Multidimens. Syst. Signal Process., 2019

Rayleigh Regression Model for Ground Type Detection in SAR Imagery.
IEEE Geosci. Remote. Sens. Lett., 2019

The gamma generalized normal distribution: A descriptor of SAR imagery.
J. Comput. Appl. Math., 2019

Efficient Computation of the 8-point DCT via Summation by Parts.
J. Signal Process. Syst., 2018

Low-Complexity Approximate Convolutional Neural Networks.
IEEE Trans. Neural Networks Learn. Syst., 2018

Computation of 2D 8×8 DCT Based on the Loeffler Factorization Using Algebraic Integer Encoding.
IEEE Trans. Computers, 2018

Wideband N-Beam Arrays Using Low-Complexity Algorithms and Mixed-Signal Integrated Circuits.
IEEE J. Sel. Top. Signal Process., 2018

Fast matrix inversion and determinant computation for Polarimetric Synthetic Aperture Radar.
Comput. Geosci., 2018

Analog Approximate-FFT 8/16-Beam Algorithms, Architectures and CMOS Circuits for 5G Beamforming MIMO Transceivers.
IEEE J. Emerg. Sel. Topics Circuits Syst., 2018

Pruned Discrete Tchebichef Transform Approximation for Image Compression.
Circuits Syst. Signal Process., 2018

An Offset-Canceling Approximate-DFT Beamforming Architecture for Wireless Transceivers.
Proceedings of the IEEE International Symposium on Circuits and Systems, 2018

Low-Complexity Multidimensional DCT Approximations for High-Order Tensor Data Decorrelation.
IEEE Trans. Image Process., 2017

Low-Complexity Image and Video Coding Based on an Approximate Discrete Tchebichef Transform.
IEEE Trans. Circuits Syst. Video Technol., 2017

DFT Computation Using Gauss-Eisenstein Basis: FFT Algorithms and VLSI Architectures.
IEEE Trans. Computers, 2017

DCT approximations based on Chen's factorization.
Signal Process. Image Commun., 2017

Multiplierless 16-point DCT approximation for low-complexity image and video coding.
Signal Image Video Process., 2017

Fast Algorithms and Architectures for 8-Point DST-II/DST-VII Approximations.
J. Circuits Syst. Comput., 2017

Comments on 'Area and power efficient DCT architecture for image compression' by Dhandapani and Ramachandran.
EURASIP J. Adv. Signal Process., 2017

A Single-Channel Architecture for Algebraic Integer Based 8×8 2-D DCT Computation.
CoRR, 2017

Multiuser Communication Based on the DFT Eigenstructure.
CoRR, 2017

A Digital Hardware Fast Algorithm and FPGA-based Prototype for a Novel 16-point Approximate DCT for Image Compression Applications.
CoRR, 2017

DCT-like Transform for Image Compression Requires 14 Additions Only.
CoRR, 2017

Design of a low-complexity wideband analog true-time-delay 5-beam array in 65nm CMOS.
Proceedings of the IEEE 60th International Midwest Symposium on Circuits and Systems, 2017

A Parallel Method for the Computation of Matrix Exponential Based on Truncated Neumann Series.
Proceedings of the 24th IEEE Symposium on Computer Arithmetic, 2017

An orthogonal 16-point approximate DCT for image and video compression.
Multidimens. Syst. Signal Process., 2016

A multiplierless pruned DCT-like transformation for image and video compression that requires ten additions only.
J. Real Time Image Process., 2016

Error-free computation of 8-point discrete cosine transform based on the Loeffler factorisation and algebraic integers.
IET Signal Process., 2016

Energy-Efficient 8-Point DCT Approximations: Theory and Hardware Architectures.
Circuits Syst. Signal Process., 2016

A New Information Theoretical Concept: Information-Weighted Heavy-tailed Distributions.
CoRR, 2016

Energy-efficient 8-point DCT Approximations: Theory and Hardware Architectures.
CoRR, 2016

VLSI Computational Architectures for the Arithmetic Cosine Transform.
IEEE Trans. Computers, 2015

A Discrete Tchebichef Transform Approximation for Image and Video Coding.
IEEE Signal Process. Lett., 2015

VLSI architecture for 4-D depth filtering.
Signal Image Video Process., 2015

A class of DCT approximations based on the Feig-Winograd algorithm.
Signal Process., 2015

Fast computation of residual complexity image similarity metric using low-complexity transforms.
IET Image Process., 2015

Multi-Beam RF Aperture Using Multiplierless FFT Approximation.
CoRR, 2015

An Extension of the Dirichlet Density for Sets of Gaussian Integers.
CoRR, 2015

Fast Finite Field Hartley Transforms Based on Hadamard Decomposition.
CoRR, 2015

Multilayer Hadamard Decomposition of Discrete Hartley Transforms.
CoRR, 2015

A Factorization Scheme for Some Discrete Hartley Transform Matrices.
CoRR, 2015

Wavelets for Elliptical Waveguide Problems.
CoRR, 2015

A Short Survey on Arithmetic Transforms and the Arithmetic Hartley Transform.
CoRR, 2015

Multi-beam 4 GHz Microwave Apertures Using Current-Mode DFT Approximation on 65 nm CMOS.
CoRR, 2015

Low-complexity pruned 8-point DCT approximations for image encoding.
Proceedings of the 25. International Conference on Electronics, 2015

Bias Correction and Modified Profile Likelihood Under the Wishart Complex Distribution.
IEEE Trans. Geosci. Remote. Sens., 2014

Analytic Expressions for Stochastic Distances Between Relaxed Complex Wishart Distributions.
IEEE Trans. Geosci. Remote. Sens., 2014

Improved 8-Point Approximate DCT for Image and Video Compression Requiring Only 14 Additions.
IEEE Trans. Circuits Syst. I Regul. Pap., 2014

Precise VLSI Architecture for AI Based 1-D/ 2-D Daub-6 Wavelet Filter Banks With Low Adder-Count.
IEEE Trans. Circuits Syst. I Regul. Pap., 2014

Comparing Edge Detection Methods Based on Stochastic Entropies and Distances for PolSAR Imagery.
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2014

Low-complexity 8-point DCT approximations based on integer functions.
Signal Process., 2014

Algebraic integer architecture with minimum adder count for the 2-D Daubechies 4-tap filters banks.
Multidimens. Syst. Signal Process., 2014

DCT-like Transform for Image and Video Compression Requires 10 Additions Only.
CoRR, 2014

Multiplierless Approximate 4-point DCT VLSI Architectures for Transform Block Coding.
CoRR, 2014

Entropy-Based Statistical Analysis of PolSAR Data.
IEEE Trans. Geosci. Remote. Sens., 2013

A Single-Channel Architecture for Algebraic Integer-Based 8 × 8 2-D DCT Computation.
IEEE Trans. Circuits Syst. Video Technol., 2013

VLSI Architectures for the 4-Tap and 6-Tap 2-D Daubechies Wavelet Filters Using Algebraic Integers.
IEEE Trans. Circuits Syst. I Regul. Pap., 2013

Parametric and nonparametric tests for speckled imagery.
Pattern Anal. Appl., 2013

Asynchronous Realization of Algebraic Integer-Based 2D DCT Using Achronix Speedster SPD60 FPGA.
J. Electr. Comput. Eng., 2013

A Row-Parallel 8 × 8 2-D DCT Architecture Using Algebraic Integer-Based Exact Computation.
IEEE Trans. Circuits Syst. Video Technol., 2012

Block-Parallel Systolic-Array Architecture for 2-d NTT-Based Fragile Watermark Embedding.
Parallel Process. Lett., 2012

Error-free VLSI architecture for the 2-D Daubechies 4-tap filter using algebraic integers.
Proceedings of the 2012 IEEE International Symposium on Circuits and Systems, 2012

A Generalized Prefix Construction for OFDM Systems Over Quasi-Static Channels.
IEEE Trans. Veh. Technol., 2011

A DCT Approximation for Image Compression.
IEEE Signal Process. Lett., 2011

An Integer Approximation Method for Discrete Sinusoidal Transforms.
Circuits Syst. Signal Process., 2011

Algebraic integer based 8×8 2-D DCT architecture for digital video processing.
Proceedings of the International Symposium on Circuits and Systems (ISCAS 2011), 2011

A new algorithm for double scalar multiplication over Koblitz curves.
Proceedings of the International Symposium on Circuits and Systems (ISCAS 2011), 2011

The arithmetic cosine transform: exact and approximate algorithms.
IEEE Trans. Signal Process., 2010

Hypothesis Testing in Speckled Data With Stochastic Distances.
IEEE Trans. Geosci. Remote. Sens., 2010

Contrast in speckled imagery with stochastic distances.
Proceedings of the International Conference on Image Processing, 2010

Fragile watermarking using finite field trigonometrical transforms.
Signal Process. Image Commun., 2009

Robust image watermarking using non-regular wavelets.
Signal Image Video Process., 2009

Elliptic-cylindrical wavelets: the Mathieu wavelets.
IEEE Signal Process. Lett., 2004

How to interpolate in arithmetic transform algorithms.
Proceedings of the IEEE International Conference on Acoustics, 2002