Hélio M. de Oliveira

56 papers Misc 1Journal 51Unranked 4

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