Hélio M. de Oliveira

Publication Activity (10 Years)

Years Active: 2002-2022
Publications (10 Years): 11

Top Topics

Hartley Transform

Top Venues

Int. J. Wavelets Multiresolution Inf. Process.

Publications

Hélio M. de Oliveira, Raydonal Ospina, Víctor Leiva, Carlos Martín-Barreiro, Christophe Chesneau
A New Wavelet-Based Privatization Mechanism for Probability Distributions. Sensors 22 (10) (2022)
Hélio M. de Oliveira, Renato J. Cintra
Geometrical Representation for Number-theoretic Transforms. CoRR (2021)
Hélio M. de Oliveira, Victor Vermehren Valenzuela, Renato J. Cintra
Multi-dimensional wavelets for scalable image decomposition: Orbital wavelets. Int. J. Wavelets Multiresolution Inf. Process. 18 (5) (2020)
Hélio M. de Oliveira, Victor Vermehren Valenzuela, Renato J. Cintra
Multidimensional Wavelets for Scalable Image Decomposition: Orbital Wavelets. CoRR (2020)
Renato J. Cintra, Hélio M. de Oliveira, C. O. Cintra
Rounded Hartley Transform: A Quasi-involution. CoRR (2020)
Hélio M. de Oliveira, Victor Vermehren Valenzuela
ND-Wavelets Derived from Anti-symmetric Systems of Isolated Particles using the Determinant of Slater. CoRR (2019)
Hélio M. de Oliveira, Raydonal Ospina
A Note on the Shannon Entropy of Short Sequences. CoRR (2018)
Hélio M. de Oliveira, Francisco Cháves
von Mises Tapering: A Circular Data Windowing. CoRR (2018)
A. J. A. Paschoal, R. M. Campello de Souza, Hélio M. de Oliveira
The Hamming and Golay Number-Theoretic Transforms. CoRR (2018)
Ricardo M. Campello de Souza, Hélio M. de Oliveira, Renato J. Cintra
Multiuser Communication Based on the DFT Eigenstructure. CoRR (2017)
Hélio M. de Oliveira, Renato J. Cintra
A New Information Theoretical Concept: Information-Weighted Heavy-tailed Distributions. CoRR (2016)
Hélio M. de Oliveira, N. S. Santos-Magalhães
The Genetic Code revisited: Inner-to-outer map, 2D-Gray map, and World-map Genetic Representations. CoRR (2015)
Hélio M. de Oliveira, Viviane L. Sousa, A. N. Helfarne, Ricardo M. Campello de Souza
Radix-2 Fast Hartley Transform Revisited. CoRR (2015)
Ricardo M. Campello de Souza, Hélio M. de Oliveira, D. Silva
The Z Transform over Finite Fields. CoRR (2015)
Hélio M. de Oliveira, Ricardo M. Campello de Souza
Orthogonal Multilevel Spreading Sequence Design. CoRR (2015)
Ernande F. Melo, Hélio M. de Oliveira
A Fingerprint-based Access Control using Principal Component Analysis and Edge Detection. CoRR (2015)
M. M. S. Lira, Hélio M. de Oliveira, Renato J. Cintra
Elliptic-cylindrical Wavelets: The Mathieu Wavelets. CoRR (2015)
R. F. B. Sotero Filho, Hélio M. de Oliveira, Ricardo M. Campello de Souza
A Full Frequency Masking Vocoder for Legal Eavesdropping Conversation Recording. CoRR (2015)
Gilson Jerônimo da Silva Jr., Ricardo M. Campello de Souza, Hélio M. de Oliveira
New Algorithms for Computing a Single Component of the Discrete Fourier Transform. CoRR (2015)
Luciana R. Soares, Hélio M. de Oliveira
Fault Analysis Using Gegenbauer Multiresolution Analysis. CoRR (2015)
Ricardo M. Campello de Souza, Eduarda S. V. Freire, Hélio M. de Oliveira
Fourier Codes. CoRR (2015)
M. M. Campello de Souza, Hélio M. de Oliveira, Ricardo M. Campello de Souza, M. M. Vasconcelos
The Discrete Cosine Transform over Prime Finite Fields. CoRR (2015)
Hélio M. de Oliveira, R. G. F. Távora, Renato J. Cintra, Ricardo M. Campello de Souza
Fast Finite Field Hartley Transforms Based on Hadamard Decomposition. CoRR (2015)
Hélio M. de Oliveira, C. M. F. Barros, Ricardo M. Campello de Souza
Fourier Codes and Hartley Codes. CoRR (2015)
Hélio M. de Oliveira
Shannon and Renyi Entropy of Wavelets. CoRR (2015)
E. A. Bouton, Hélio M. de Oliveira, Ricardo M. Campello de Souza, N. S. Santos-Magalhães
Genomic Imaging Based on Codongrams and a^2grams. CoRR (2015)
Victor Vermehren Valenzuela, J. E. Wesen, Hélio M. de Oliveira
Close Approximations for Daublets and their Spectra. CoRR (2015)
Hélio M. de Oliveira, Rafael Dueire Lins
Taylor Series as Wide-sense Biorthogonal Wavelet Decomposition. CoRR (2015)
M. M. S. Lira, Hélio M. de Oliveira, Renato J. Cintra, Ricardo M. Campello de Souza
Wavelets for Elliptical Waveguide Problems. CoRR (2015)
M. M. S. Lira, Hélio M. de Oliveira, M. A. Carvalho Jr., Ricardo M. Campello de Souza
Compactly Supported Wavelets Derived From Legendre Polynomials: Spherical Harmonic Wavelets. CoRR (2015)
Renato J. Cintra, Vassil S. Dimitrov, Hélio M. de Oliveira, Ricardo M. Campello de Souza
Fragile Watermarking Using Finite Field Trigonometrical Transforms. CoRR (2015)
Hélio M. de Oliveira, E. A. Bouton
Multiresolution Division Multiplex (MRDM): A New Wavelet-based Multiplex System. CoRR (2015)
P. Carrion, Hélio M. de Oliveira, Ricardo M. Campello de Souza
A Low-throughput Wavelet-based Steganography Audio Scheme. CoRR (2015)
Hélio M. de Oliveira, Joao Paulo C. L. Miranda, Ricardo M. Campello de Souza
Spread-Spectrum Based on Finite Field Fourier Transforms. CoRR (2015)
R. C. de Oliveira, Hélio M. de Oliveira, Ricardo M. Campello de Souza, E. J. P. Santos
A Flexible Implementation of a Matrix Laurent Series-Based 16-Point Fast Fourier and Hartley Transforms. CoRR (2015)
E. L. F. Da Silva, Hélio M. de Oliveira
Implementation of an Automatic Syllabic Division Algorithm from Speech Files in Portuguese Language. CoRR (2015)
Hélio M. de Oliveira, Renato J. Cintra, Ricardo M. Campello de Souza
Multilayer Hadamard Decomposition of Discrete Hartley Transforms. CoRR (2015)
Hélio M. de Oliveira, D. F. de Souza
Wavelet Analysis as an Information Processing Technique. CoRR (2015)
Ricardo M. Campello de Souza, Hélio M. de Oliveira, A. N. Kauffman
The Hartley Transform in a Finite Field. CoRR (2015)
Joao Paulo C. L. Miranda, Hélio M. de Oliveira
On Galois-Division Multiple Access Systems: Figures of Merit and Performance Evaluation. CoRR (2015)
Hélio M. de Oliveira, Ricardo M. Campello de Souza, A. N. Kauffman
Efficient Multiplex for Band-Limited Channels: Galois-Field Division Multiple Access. CoRR (2015)
Hélio M. de Oliveira, Tiago H. Falk
On Wavelet Decomposition over Finite Fields. CoRR (2015)
André R. Gomes e Silva, Hélio M. de Oliveira, Rafael Dueire Lins
Converting ECG and other paper legated biomedical maps into digital signals. CoRR (2015)
Hélio M. de Oliveira, Renato J. Cintra, Ricardo M. Campello de Souza
A Factorization Scheme for Some Discrete Hartley Transform Matrices. CoRR (2015)
Hélio M. de Oliveira, J. Ranhel, R. B. A. Alves
Simulation of Color Blindness and a Proposal for Using Google Glass as Color-correcting Tool. CoRR (2015)
Hélio M. de Oliveira
The Adaptive Mean-Linkage Algorithm: A Bottom-Up Hierarchical Cluster Technique. CoRR (2015)
Victor Vermehren Valenzuela, Rafael Dueire Lins, Hélio M. de Oliveira
Application of Enhanced-2D-CWT in Topographic Images for Mapping Landslide Risk Areas. CoRR (2015)
C. M. F. Barros, Francisco Marcos de Assis, Hélio M. de Oliveira
Quantum Decoding with Venn Diagrams. CoRR (2015)
Renato J. Cintra, Hélio M. de Oliveira
A Short Survey on Arithmetic Transforms and the Arithmetic Hartley Transform. CoRR (2015)
Hélio M. de Oliveira, Ricardo M. Campello de Souza, R. C. de Oliveira
A Matrix Laurent Series-based Fast Fourier Transform for Blocklengths N=4 (mod 8). CoRR (2015)
R. C. de Oliveira, Ricardo M. Campello de Souza, Hélio M. de Oliveira
Matrix expansions for computing the discrete hartley transform for blocklength N ≡ 0 (mod 4). LATINCOM (2012)
Renato J. Cintra, Vassil S. Dimitrov, Hélio M. de Oliveira, Ricardo M. Campello de Souza
Fragile watermarking using finite field trigonometrical transforms. Signal Process. Image Commun. 24 (7) (2009)
Hélio M. de Oliveira, N. S. Santos-Magalhães
The Genetic Code Revisited: Inner-to-Outer Map, 2D-Gray Map, and World-Map Genetic Representations. ICT (2004)
Juliano B. Lima, Ricardo M. Campello de Souza, Hélio M. de Oliveira, M. M. Campello de Souza
Faster DTMF Decoding. ICT (2004)
M. M. Campello de Souza, Hélio M. de Oliveira, Ricardo M. Campello de Souza, M. M. Vasconcelos
The Discrete Cosine Transform over Prime Finite Fields. ICT (2004)
Renato J. Cintra, Hélio M. de Oliveira
How to interpolate in arithmetic transform algorithms. ICASSP (2002)