Renato J. Cintra

CoRR, 2024

2023

Prediction intervals in the beta autoregressive moving average model.

[BibT_eX]

[DOI]

Commun. Stat. Simul. Comput., August, 2023

Extensions on Low-Complexity DCT Approximations for Larger Blocklengths Based on Minimal Angle Similarity.

[BibT_eX]

[DOI]

J. Signal Process. Syst., April, 2023

Low-complexity Multidimensional DCT Approximations.

[BibT_eX]

[DOI]

CoRR, 2023

Analog Current-Mode 8-Point Approximate-DFT Multi-Beamformer With 4.7 Gbps Channel Capacity.

[BibT_eX]

[DOI]

IEEE Access, 2023

2022

Robust Rayleigh Regression Method for SAR Image Processing in Presence of Outliers.

[BibT_eX]

[DOI]

IEEE Trans. Geosci. Remote. Sens., 2022

A Class of Low-Complexity DCT-Like Transforms for Image and Video Coding.

[BibT_eX]

[DOI]

IEEE Trans. Circuits Syst. Video Technol., 2022

Radix-$N$ Algorithm for Computing $N^{2^{n}}$-Point DFT Approximations.

[BibT_eX]

[DOI]

IEEE Signal Process. Lett., 2022

Data-independent low-complexity KLT approximations for image and video coding.

[BibT_eX]

[DOI]

Anabeth P. Radünz

Signal Process. Image Commun., 2022

Improved Point Estimation for the Rayleigh Regression Model.

[BibT_eX]

[DOI]

IEEE Geosci. Remote. Sens. Lett., 2022

Low-complexity rounded KLT approximation for image compression.

[BibT_eX]

[DOI]

Anabeth P. Radünz

J. Real Time Image Process., 2022

2-D Rayleigh autoregressive moving average model for SAR image modeling.

[BibT_eX]

[DOI]

Comput. Stat. Data Anal., 2022

Low-Complexity Loeffler DCT Approximations for Image and Video Coding.

[BibT_eX]

[DOI]

Raíza S. Oliveira

CoRR, 2022

Towards a Low-SWaP 1024-beam Digital Array: A 32-beam Sub-system at 5.8 GHz.

[BibT_eX]

[DOI]

Viduneth Ariyarathna

Suresh Madishetty

Sravan Kumar Pulipati

CoRR, 2022

Autoregressive Model for Multi-Pass SAR Change Detection Based on Image Stacks.

[BibT_eX]

[DOI]

CoRR, 2022

Efficient and Self-Recursive Delay Vandermonde Algorithm for Multi-Beam Antenna Arrays.

[BibT_eX]

[DOI]

Sirani M. Perera

CoRR, 2022

2021

Low-Complexity Scaling Methodsfor DCT-II Approximations.

[BibT_eX]

[DOI]

IEEE Trans. Signal Process., 2021

Signal detection and inference based on the beta binomial autoregressive moving average model.

[BibT_eX]

[DOI]

Digit. Signal Process., 2021

Low-complexity Scaling Methods for DCT-II Approximations.

[BibT_eX]

[DOI]

CoRR, 2021

Geometrical Representation for Number-theoretic Transforms.

[BibT_eX]

[DOI]

CoRR, 2021

Low-complexity three-dimensional discrete Hartley transform approximations for medical image compression.

[BibT_eX]

[DOI]

Comput. Biol. Medicine, 2021

2020

A Low-SWaP 16-Beam 2.4 GHz Digital Phased Array Receiver Using DFT Approximation.

[BibT_eX]

[DOI]

Viduneth Ariyarathna

Sravan Kumar Pulipati

IEEE Trans. Aerosp. Electron. Syst., 2020

A Multiparametric Class of Low-complexity Transforms for Image and Video Coding.

[BibT_eX]

[DOI]

Diego Ramos Canterle

Signal Process., 2020

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

[BibT_eX]

[DOI]

Sensors, 2020

The compound truncated Poisson Cauchy model: A descriptor for multimodal data.

[BibT_eX]

[DOI]

Josimar M. Vasconcelos

Leandro Chaves Rêgo

J. Comput. Appl. Math., 2020

Multi-dimensional wavelets for scalable image decomposition: Orbital wavelets.

[BibT_eX]

[DOI]

Victor Vermehren Valenzuela

Int. J. Wavelets Multiresolution Inf. Process., 2020

Low-complexity Architecture for AR(1) Inference.

[BibT_eX]

[DOI]

CoRR, 2020

Rounded Hartley Transform: A Quasi-involution.

[BibT_eX]

[DOI]

C. O. Cintra

CoRR, 2020

Multidimensional Wavelets for Scalable Image Decomposition: Orbital Wavelets.

[BibT_eX]

[DOI]

Victor Vermehren Valenzuela

CoRR, 2020

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

[BibT_eX]

[DOI]

Sirani M. Perera

IEEE Access, 2020

Fast Radix-32 Approximate DFTs for 1024-Beam Digital RF Beamforming.

[BibT_eX]

[DOI]

Chamira U. S. Edussooriya

IEEE Access, 2020

Low-Complexity Real-Time Light Field Compression using 4-D Approximate DCT.

[BibT_eX]

[DOI]

Namalka Liyanage

Chamith Wijenayake

Eliathamby Ambikairajah

Proceedings of the IEEE International Symposium on Circuits and Systems, 2020

2019

Detecting Changes in Fully Polarimetric SAR Imagery With Statistical Information Theory.

[BibT_eX]

[DOI]

Alejandro C. Frery

IEEE Trans. Geosci. Remote. Sens., 2019

An iterative wavelet threshold for signal denoising.

[BibT_eX]

[DOI]

Alice J. Kozakevicius

Signal Process., 2019

Low-complexity 8-point DCT approximation based on angle similarity for image and video coding.

[BibT_eX]

[DOI]

Raíza S. Oliveira

André Leite

Multidimens. Syst. Signal Process., 2019

Rayleigh Regression Model for Ground Type Detection in SAR Imagery.

[BibT_eX]

[DOI]

IEEE Geosci. Remote. Sens. Lett., 2019

The gamma generalized normal distribution: A descriptor of SAR imagery.

[BibT_eX]

[DOI]

Gauss M. Cordeiro

Leandro Chaves Rêgo

J. Comput. Appl. Math., 2019

2018

Efficient Computation of the 8-point DCT via Summation by Parts.

[BibT_eX]

[DOI]

J. Signal Process. Syst., 2018

Low-Complexity Approximate Convolutional Neural Networks.

[BibT_eX]

[DOI]

IEEE Trans. Neural Networks Learn. Syst., 2018

Computation of 2D 8×8 DCT Based on the Loeffler Factorization Using Algebraic Integer Encoding.

[BibT_eX]

[DOI]

Sushmabhargavi Nimmalapalli

IEEE Trans. Computers, 2018

Wideband N-Beam Arrays Using Low-Complexity Algorithms and Mixed-Signal Integrated Circuits.

[BibT_eX]

[DOI]

IEEE J. Sel. Top. Signal Process., 2018

Fast matrix inversion and determinant computation for Polarimetric Synthetic Aperture Radar.

[BibT_eX]

[DOI]

Comput. Geosci., 2018

Analog Approximate-FFT 8/16-Beam Algorithms, Architectures and CMOS Circuits for 5G Beamforming MIMO Transceivers.

[BibT_eX]

[DOI]

IEEE J. Emerg. Sel. Topics Circuits Syst., 2018

Pruned Discrete Tchebichef Transform Approximation for Image Compression.

[BibT_eX]

[DOI]

Circuits Syst. Signal Process., 2018

An Offset-Canceling Approximate-DFT Beamforming Architecture for Wireless Transceivers.

[BibT_eX]

[DOI]

Proceedings of the IEEE International Symposium on Circuits and Systems, 2018

2017

Low-Complexity Multidimensional DCT Approximations for High-Order Tensor Data Decorrelation.

[BibT_eX]

[DOI]

IEEE Trans. Image Process., 2017

Low-Complexity Image and Video Coding Based on an Approximate Discrete Tchebichef Transform.

[BibT_eX]

[DOI]

IEEE Trans. Circuits Syst. Video Technol., 2017

DFT Computation Using Gauss-Eisenstein Basis: FFT Algorithms and VLSI Architectures.

[BibT_eX]

[DOI]

Gihan J. Mendis

Thiago Lopes Trugillo da Silveira

IEEE Trans. Computers, 2017

DCT approximations based on Chen's factorization.

[BibT_eX]

[DOI]

C. J. Tablada

Thiago Lopes Trugillo da Silveira

Signal Process. Image Commun., 2017

Multiplierless 16-point DCT approximation for low-complexity image and video coding.

[BibT_eX]

[DOI]

Signal Image Video Process., 2017

Fast Algorithms and Architectures for 8-Point DST-II/DST-VII Approximations.

[BibT_eX]

[DOI]

J. Circuits Syst. Comput., 2017

Comments on 'Area and power efficient DCT architecture for image compression' by Dhandapani and Ramachandran.

[BibT_eX]

[DOI]

EURASIP J. Adv. Signal Process., 2017

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

[BibT_eX]

[DOI]

CoRR, 2017

Multiuser Communication Based on the DFT Eigenstructure.

[BibT_eX]

[DOI]

CoRR, 2017

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

[BibT_eX]

[DOI]

CoRR, 2017

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

[BibT_eX]

[DOI]

CoRR, 2017

Design of a low-complexity wideband analog true-time-delay 5-beam array in 65nm CMOS.

[BibT_eX]

[DOI]

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.

[BibT_eX]

[DOI]

Proceedings of the 24th IEEE Symposium on Computer Arithmetic, 2017

2016

An orthogonal 16-point approximate DCT for image and video compression.

[BibT_eX]

[DOI]

Alice J. Kozakevicius

Multidimens. Syst. Signal Process., 2016

A multiplierless pruned DCT-like transformation for image and video compression that requires ten additions only.

[BibT_eX]

[DOI]

J. Real Time Image Process., 2016

Error-free computation of 8-point discrete cosine transform based on the Loeffler factorisation and algebraic integers.

[BibT_eX]

[DOI]

IET Signal Process., 2016

Energy-Efficient 8-Point DCT Approximations: Theory and Hardware Architectures.

[BibT_eX]

[DOI]

Circuits Syst. Signal Process., 2016

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

[BibT_eX]

[DOI]

CoRR, 2016

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

[BibT_eX]

[DOI]

CoRR, 2016

2015

VLSI Computational Architectures for the Arithmetic Cosine Transform.

[BibT_eX]

[DOI]

IEEE Trans. Computers, 2015

A Discrete Tchebichef Transform Approximation for Image and Video Coding.

[BibT_eX]

[DOI]

IEEE Signal Process. Lett., 2015

VLSI architecture for 4-D depth filtering.

[BibT_eX]

[DOI]

Randeel Wimalagunarathne

Donald G. Dansereau

Len T. Bruton

Signal Image Video Process., 2015

A class of DCT approximations based on the Feig-Winograd algorithm.

[BibT_eX]

[DOI]

C. J. Tablada

Signal Process., 2015

Fast computation of residual complexity image similarity metric using low-complexity transforms.

[BibT_eX]

[DOI]

IET Image Process., 2015

Multi-Beam RF Aperture Using Multiplierless FFT Approximation.

[BibT_eX]

[DOI]

CoRR, 2015

An Extension of the Dirichlet Density for Sets of Gaussian Integers.

[BibT_eX]

[DOI]

Leandro Chaves Rêgo

CoRR, 2015

Fast Finite Field Hartley Transforms Based on Hadamard Decomposition.

[BibT_eX]

[DOI]

R. G. F. Távora

CoRR, 2015

Multilayer Hadamard Decomposition of Discrete Hartley Transforms.

[BibT_eX]

[DOI]

CoRR, 2015

A Factorization Scheme for Some Discrete Hartley Transform Matrices.

[BibT_eX]

[DOI]

CoRR, 2015

Wavelets for Elliptical Waveguide Problems.

[BibT_eX]

[DOI]

M. M. S. Lira

CoRR, 2015

A Short Survey on Arithmetic Transforms and the Arithmetic Hartley Transform.

[BibT_eX]

[DOI]

CoRR, 2015

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

[BibT_eX]

[DOI]

CoRR, 2015

Low-complexity pruned 8-point DCT approximations for image encoding.

[BibT_eX]

[DOI]

Proceedings of the 25. International Conference on Electronics, 2015

2014

Bias Correction and Modified Profile Likelihood Under the Wishart Complex Distribution.

[BibT_eX]

[DOI]

IEEE Trans. Geosci. Remote. Sens., 2014

Analytic Expressions for Stochastic Distances Between Relaxed Complex Wishart Distributions.

[BibT_eX]

[DOI]

IEEE Trans. Geosci. Remote. Sens., 2014

Improved 8-Point Approximate DCT for Image and Video Compression Requiring Only 14 Additions.

[BibT_eX]

[DOI]

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.

[BibT_eX]

[DOI]

Shiva Kumar Madishetty

IEEE Trans. Circuits Syst. I Regul. Pap., 2014

Comparing Edge Detection Methods Based on Stochastic Entropies and Distances for PolSAR Imagery.

[BibT_eX]

[DOI]

Michelle Matos Horta

Alejandro C. Frery

IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2014

Low-complexity 8-point DCT approximations based on integer functions.

[BibT_eX]

[DOI]

C. J. Tablada

Signal Process., 2014

Algebraic integer architecture with minimum adder count for the 2-D Daubechies 4-tap filters banks.

[BibT_eX]

[DOI]

Shiva Kumar Madishetty

Multidimens. Syst. Signal Process., 2014

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

[BibT_eX]

[DOI]

CoRR, 2014

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

[BibT_eX]

[DOI]

CoRR, 2014

2013

Entropy-Based Statistical Analysis of PolSAR Data.

[BibT_eX]

[DOI]

IEEE Trans. Geosci. Remote. Sens., 2013

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

[BibT_eX]

[DOI]

IEEE Trans. Circuits Syst. Video Technol., 2013

VLSI Architectures for the 4-Tap and 6-Tap 2-D Daubechies Wavelet Filters Using Algebraic Integers.

[BibT_eX]

[DOI]

Shiva Kumar Madishetty

IEEE Trans. Circuits Syst. I Regul. Pap., 2013

Parametric and nonparametric tests for speckled imagery.

[BibT_eX]

[DOI]

Pattern Anal. Appl., 2013

Asynchronous Realization of Algebraic Integer-Based 2D DCT Using Achronix Speedster SPD60 FPGA.

[BibT_eX]

[DOI]

J. Electr. Comput. Eng., 2013

2012

A Row-Parallel 8 × 8 2-D DCT Architecture Using Algebraic Integer-Based Exact Computation.

[BibT_eX]

[DOI]

Leonard T. Bruton

Amila Edirisuriya

IEEE Trans. Circuits Syst. Video Technol., 2012

Block-Parallel Systolic-Array Architecture for 2-d NTT-Based Fragile Watermark Embedding.

[BibT_eX]

[DOI]

Parallel Process. Lett., 2012

Error-free VLSI architecture for the 2-D Daubechies 4-tap filter using algebraic integers.

[BibT_eX]

[DOI]

Proceedings of the 2012 IEEE International Symposium on Circuits and Systems, 2012

2011

A Generalized Prefix Construction for OFDM Systems Over Quasi-Static Channels.

[BibT_eX]

[DOI]

IEEE Trans. Veh. Technol., 2011

A DCT Approximation for Image Compression.

[BibT_eX]

[DOI]

IEEE Signal Process. Lett., 2011

An Integer Approximation Method for Discrete Sinusoidal Transforms.

[BibT_eX]

[DOI]

Circuits Syst. Signal Process., 2011

Algebraic integer based 8×8 2-D DCT architecture for digital video processing.

[BibT_eX]

[DOI]

Proceedings of the International Symposium on Circuits and Systems (ISCAS 2011), 2011

A new algorithm for double scalar multiplication over Koblitz curves.

[BibT_eX]

[DOI]

Jithra Adikari

Proceedings of the International Symposium on Circuits and Systems (ISCAS 2011), 2011

2010

The arithmetic cosine transform: exact and approximate algorithms.

[BibT_eX]

[DOI]

IEEE Trans. Signal Process., 2010

Hypothesis Testing in Speckled Data With Stochastic Distances.

[BibT_eX]

[DOI]

IEEE Trans. Geosci. Remote. Sens., 2010

Contrast in speckled imagery with stochastic distances.

[BibT_eX]

[DOI]

Proceedings of the International Conference on Image Processing, 2010

2009

Fragile watermarking using finite field trigonometrical transforms.

[BibT_eX]

[DOI]

Signal Process. Image Commun., 2009

Robust image watermarking using non-regular wavelets.

[BibT_eX]

[DOI]

Hélio Magalhães de Oliveira

Todor V. Cooklev

Signal Image Video Process., 2009

2004

Elliptic-cylindrical wavelets: the Mathieu wavelets.

[BibT_eX]

[DOI]

M. M. S. Lira

IEEE Signal Process. Lett., 2004

2002

How to interpolate in arithmetic transform algorithms.

[BibT_eX]

[DOI]