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ORCIDHélio M. de Oliveira
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- affiliation: Federal University of Pernambuco, Recife, Brazil
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2020 – today
- 2022
[j5]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): 3743 (2022)- 2021
- [i53]Hélio M. de Oliveira, Renato J. Cintra:
Geometrical Representation for Number-theoretic Transforms. CoRR abs/2103.04832 (2021) - 2020
- [j4]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): 2050038:1-2050038:11 (2020) - [i52]Ernande F. Melo, Hélio Magalhães de Oliveira:
An Overview of Self-Similar Traffic: Its Implications in the Network Design. CoRR abs/2005.02858 (2020) - [i51]Hélio M. de Oliveira, Victor Vermehren Valenzuela, Renato J. Cintra:
Multidimensional Wavelets for Scalable Image Decomposition: Orbital Wavelets. CoRR abs/2006.07920 (2020) - [i50]R. M. Campello de Souza, M. M. Campello de Souza, Hélio Magalhães de Oliveira, M. M. Vasconcelos:
Infinite Sequences, Series Convergence and the Discrete Time Fourier Transform over Finite Fields. CoRR abs/2007.10816 (2020) - [i49]Renato J. Cintra, Hélio M. de Oliveira, C. O. Cintra:
Rounded Hartley Transform: A Quasi-involution. CoRR abs/2008.03379 (2020)
2010 – 2019
- 2019
- [i48]Hélio M. de Oliveira, Victor Vermehren Valenzuela:
ND-Wavelets Derived from Anti-symmetric Systems of Isolated Particles using the Determinant of Slater. CoRR abs/1907.05988 (2019) - 2018
- [i47]A. J. A. Paschoal, R. M. Campello de Souza, Hélio M. de Oliveira:
The Hamming and Golay Number-Theoretic Transforms. CoRR abs/1806.09727 (2018) - [i46]Hélio M. de Oliveira, Francisco Cháves:
von Mises Tapering: A Circular Data Windowing. CoRR abs/1806.10273 (2018) - [i45]Hélio M. de Oliveira, Raydonal Ospina:
A Note on the Shannon Entropy of Short Sequences. CoRR abs/1807.02603 (2018) - 2017
- [i44]Ricardo M. Campello de Souza, Hélio M. de Oliveira, Renato J. Cintra:
Multiuser Communication Based on the DFT Eigenstructure. CoRR abs/1702.01793 (2017) - [i43]Hélio Magalhães de Oliveira, R. C. de Oliveira:
Understanding MIDI: A Painless Tutorial on Midi Format. CoRR abs/1705.05322 (2017) - [i42]Hélio Magalhães de Oliveira, R. C. de Oliveira:
Linear Computer-Music through Sequences over Galois Fields. CoRR abs/1709.06663 (2017) - 2016
- [i41]Hélio M. de Oliveira, Renato J. Cintra:
A New Information Theoretical Concept: Information-Weighted Heavy-tailed Distributions. CoRR abs/1601.06412 (2016) - [i40]R. C. de Oliveira, Hélio Magalhães de Oliveira, R. A. Ramalho, L. P. S. Viana:
Performance Assessment of WhatsApp and IMO on Android Operating System (Lollipop and KitKat) during VoIP calls using 3G or WiFi. CoRR abs/1603.01316 (2016) - 2015
- [i39]M. M. S. Lira, Hélio M. de Oliveira, Renato J. Cintra:
Elliptic-cylindrical Wavelets: The Mathieu Wavelets. CoRR abs/1501.07255 (2015) - [i38]E. L. F. Da Silva, Hélio M. de Oliveira:
Implementation of an Automatic Syllabic Division Algorithm from Speech Files in Portuguese Language. CoRR abs/1501.07496 (2015) - [i37]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 abs/1502.00277 (2015) - [i36]Renato J. Cintra, Vassil S. Dimitrov, Hélio M. de Oliveira, Ricardo M. Campello de Souza:
Fragile Watermarking Using Finite Field Trigonometrical Transforms. CoRR abs/1502.00296 (2015) - [i35]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 abs/1502.00950 (2015) - [i34]Hélio M. de Oliveira, Renato J. Cintra, Ricardo M. Campello de Souza:
A Factorization Scheme for Some Discrete Hartley Transform Matrices. CoRR abs/1502.01038 (2015) - [i33]Victor Vermehren Valenzuela, J. E. Wesen, Hélio M. de Oliveira:
Close Approximations for Daublets and their Spectra. CoRR abs/1502.01424 (2015) - [i32]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 abs/1502.01566 (2015) - [i31]Hélio M. de Oliveira, Rafael Dueire Lins:
Taylor Series as Wide-sense Biorthogonal Wavelet Decomposition. CoRR abs/1502.01570 (2015) - [i30]Hélio M. de Oliveira:
Shannon and Renyi Entropy of Wavelets. CoRR abs/1502.01871 (2015) - [i29]Hélio M. de Oliveira, Tiago H. Falk:
On Wavelet Decomposition over Finite Fields. CoRR abs/1502.01877 (2015) - [i28]Ernande F. Melo, Hélio M. de Oliveira:
A Fingerprint-based Access Control using Principal Component Analysis and Edge Detection. CoRR abs/1502.01880 (2015) - [i27]Hélio M. de Oliveira, Renato J. Cintra, Ricardo M. Campello de Souza:
Multilayer Hadamard Decomposition of Discrete Hartley Transforms. CoRR abs/1502.02168 (2015) - [i26]Hélio M. de Oliveira, C. M. F. Barros, Ricardo M. Campello de Souza:
Fourier Codes and Hartley Codes. CoRR abs/1502.02489 (2015) - [i25]Hélio M. de Oliveira:
The Adaptive Mean-Linkage Algorithm: A Bottom-Up Hierarchical Cluster Technique. CoRR abs/1502.02512 (2015) - [i24]Ricardo M. Campello de Souza, Hélio M. de Oliveira, Danilo Silva:
The Z Transform over Finite Fields. CoRR abs/1502.03371 (2015) - [i23]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 abs/1502.03387 (2015) - [i22]Hélio M. de Oliveira, E. A. Bouton:
Multiresolution Division Multiplex (MRDM): A New Wavelet-based Multiplex System. CoRR abs/1502.03620 (2015) - [i21]Joao Paulo C. L. Miranda, Hélio M. de Oliveira:
On Galois-Division Multiple Access Systems: Figures of Merit and Performance Evaluation. CoRR abs/1502.03698 (2015) - [i20]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 abs/1502.03723 (2015) - [i19]Ricardo M. Campello de Souza, Hélio M. de Oliveira, A. N. Kauffman:
The Hartley Transform in a Finite Field. CoRR abs/1502.04670 (2015) - [i18]Hélio M. de Oliveira, D. F. de Souza:
Wavelet Analysis as an Information Processing Technique. CoRR abs/1502.05879 (2015) - [i17]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 abs/1502.05880 (2015) - [i16]Hélio M. de Oliveira, Ricardo M. Campello de Souza:
Orthogonal Multilevel Spreading Sequence Design. CoRR abs/1502.05881 (2015) - [i15]André R. Gomes e Silva, Hélio M. de Oliveira, Rafael Dueire Lins:
Converting ECG and other paper legated biomedical maps into digital signals. CoRR abs/1502.05906 (2015) - [i14]Luciana R. Soares, Hélio M. de Oliveira:
Fault Analysis Using Gegenbauer Multiresolution Analysis. CoRR abs/1503.00698 (2015) - [i13]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 abs/1503.02536 (2015) - [i12]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 abs/1503.02570 (2015) - [i11]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 abs/1503.02577 (2015) - [i10]Ricardo M. Campello de Souza, Eduarda S. V. Freire, Hélio M. de Oliveira:
Fourier Codes. CoRR abs/1503.03293 (2015) - [i9]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 abs/1503.03763 (2015) - [i8]Hélio M. de Oliveira, Viviane L. Sousa, A. N. Helfarne, Ricardo M. Campello de Souza:
Radix-2 Fast Hartley Transform Revisited. CoRR abs/1503.03794 (2015) - [i7]C. M. F. Barros, Francisco Marcos de Assis, Hélio M. de Oliveira:
Quantum Decoding with Venn Diagrams. CoRR abs/1503.04334 (2015) - [i6]P. Carrion, Hélio M. de Oliveira, Ricardo M. Campello de Souza:
A Low-throughput Wavelet-based Steganography Audio Scheme. CoRR abs/1503.07551 (2015) - [i5]Hélio M. de Oliveira, Joao Paulo C. L. Miranda, Ricardo M. Campello de Souza:
Spread-Spectrum Based on Finite Field Fourier Transforms. CoRR abs/1503.08109 (2015) - [i4]Victor Vermehren Valenzuela, Rafael Dueire Lins, Hélio M. de Oliveira:
Application of Enhanced-2D-CWT in Topographic Images for Mapping Landslide Risk Areas. CoRR abs/1504.05137 (2015) - [i3]M. M. S. Lira, Hélio M. de Oliveira, Renato J. Cintra, Ricardo M. Campello de Souza:
Wavelets for Elliptical Waveguide Problems. CoRR abs/1504.05262 (2015) - [i2]Renato J. Cintra, Hélio M. de Oliveira:
A Short Survey on Arithmetic Transforms and the Arithmetic Hartley Transform. CoRR abs/1504.06106 (2015) - [i1]Hélio M. de Oliveira, Ricardo M. Campello de Souza, A. N. Kauffman:
Efficient Multiplex for Band-Limited Channels: Galois-Field Division Multiple Access. CoRR abs/1505.04140 (2015) - 2013
- [c8]Victor Vermehren Valenzuela, Rafael Dueire Lins, Hélio Magalhães de Oliveira:
Application of Enhanced-2D-CWT in Topographic Images for Mapping Landslide Risk Areas. ICIAR 2013: 380-388 - 2012
- [c7]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: 1-6
2000 – 2009
- 2009
- [j3]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): 587-597 (2009) - 2007
- [c6]André R. Gomes e Silva, Hélio Magalhães de Oliveira, Rafael Dueire Lins:
Converting ECG and Other Paper Legated Biomedical Maps into Digital Signals. GREC 2007: 21-28 - 2004
- [j2]M. M. S. Lira, Hélio Magalhães de Oliveira, Renato J. Cintra:
Elliptic-cylindrical wavelets: the Mathieu wavelets. IEEE Signal Process. Lett. 11(1): 52-55 (2004) - [c5]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: 482-487 - [c4]Juliano B. Lima, Ricardo M. Campello de Souza, Hélio M. de Oliveira, M. M. Campello de Souza:
Faster DTMF Decoding. ICT 2004: 510-515 - [c3]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: 526-531 - 2002
- [c2]Renato J. Cintra, Hélio M. de Oliveira:
How to interpolate in arithmetic transform algorithms. ICASSP 2002: 4169
1990 – 1999
- 1993
- [j1]Hélio Magalhães de Oliveira, Gerard Battail:
On Lattice Coding for the Gaussian Channel. Eur. Trans. Telecommun. 4(2): 133-140 (1993) - 1990
- [c1]Gerard Battail, Hélio Magalhães de Oliveira, Weidong Zhang:
Coding and modulation for the Gaussian channel, in the absence or in the presence of fluctuations. EUROCODE 1990: 337-349
Coauthor Index
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