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ORCIDRicardo M. Campello de Souza
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- affiliation: Universidade Federal de Pernambuco, Brazil
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Journal Articles
- 2022
[j14]Juliano B. Lima
, Marcos A. A. Gondim, Ricardo M. Campello de Souza:
A Novel Approach for Defining a Hilbert Number Transform. Circuits Syst. Signal Process. 41(3): 1776-1787 (2022)- 2020
- [j13]Juliano B. Lima, Ricardo M. Campello de Souza:
Tangent Function and Chebyshev-Like Rational Maps Over Finite Fields. IEEE Trans. Circuits Syst. II Express Briefs 67-II(4): 775-779 (2020) - 2019
- [j12]José R. de Oliveira-Neto, Juliano B. Lima, Gilson Jerônimo da Silva Jr., Ricardo M. Campello de Souza:
Computation of an eigendecomposition-based discrete fractional Fourier transform with reduced arithmetic complexity. Signal Process. 165: 72-82 (2019) - 2017
- [j11]Paulo Hugo E. S. Lima, Juliano B. Lima, Ricardo M. Campello de Souza:
Fractional Fourier, Hartley, Cosine and Sine Number-Theoretic Transforms Based on Matrix Functions. Circuits Syst. Signal Process. 36(7): 2893-2916 (2017) - [j10]Juliano B. Lima, Edmar S. da Silva, Ricardo M. Campello de Souza:
Cosine transforms over fields of characteristic 2: Fast computation and application to image encryption. Signal Process. Image Commun. 54: 130-139 (2017) - [j9]Bruno Tenório Ávila, Ricardo M. Campello de Souza:
Meta-Fibonacci Codes: Efficient Universal Coding of Natural Numbers. IEEE Trans. Inf. Theory 63(4): 2357-2375 (2017) - 2016
- [j8]Juliano B. Lima, Marco Barone, Ricardo M. Campello de Souza:
Cosine transforms over fields of characteristic 2. Finite Fields Their Appl. 37: 265-284 (2016) - [j7]Juliano B. Lima, Ricardo M. Campello de Souza:
Closed-form Hermite-Gaussian-like number-theoretic transform eigenvectors. Signal Process. 128: 409-416 (2016) - 2013
- [j6]Gilson Jerônimo da Silva Jr., Ricardo Menezes Campello de Souza:
Minimum multiplicative complexity algorithm for computing a single component of the discrete Fourier transform. Digit. Signal Process. 23(3): 1040-1043 (2013) - 2012
- [j5]Juliano B. Lima, Ricardo M. Campello de Souza:
The fractional Fourier transform over finite fields. Signal Process. 92(2): 465-476 (2012) - 2011
- [j4]Juliano B. Lima, Ricardo M. Campello de Souza:
Finite field trigonometric transforms. Appl. Algebra Eng. Commun. Comput. 22(5-6): 393-411 (2011) - 2010
- [j3]Juliano B. Lima, Daniel Panario, Ricardo M. Campello de Souza:
Public-key encryption based on Chebyshev polynomials over GF(q). Inf. Process. Lett. 111(2): 51-56 (2010) - 2009
- [j2]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) - 1985
- [j1]Ricardo M. Campello de Souza, Patrick Guy Farrell:
Finite field transforms and symmetry groups. Discret. Math. 56(2-3): 111-116 (1985)
Conference and Workshop Papers
- 2015
- [c9]Juliano B. Lima, Edmar S. da Silva, Ricardo M. Campello de Souza:
A finite field cosine transform-based image processing scheme for color image encryption. GlobalSIP 2015: 1071-1075 - 2014
- [c8]Juliano B. Lima, Ricardo M. Campello de Souza, Paulo Hugo E. S. Lima:
Fractional number-theoretic transforms based on matrix functions. ICASSP 2014: 2614-2618 - 2012
- [c7]Juliano B. Lima, Ricardo M. Campello de Souza, Daniel C. Cunha:
Multiuser communication based on the discrete fractional fourier transform. ICC 2012: 3569-3570 - [c6]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 - [c5]Juliano B. Lima, Ricardo M. Campello de Souza:
Histogram Uniformization for Digital Image Encryption. SIBGRAPI 2012: 55-62 - 2010
- [c4]Juliano B. Lima, Ricardo M. Campello de Souza:
The finite field fractional Fourier transform. ICASSP 2010: 3670-3673 - 2008
- [c3]Juliano B. Lima, Ricardo M. Campello de Souza, Daniel Panario:
Security of public-key cryptosystems based on Chebyshev polynomials over prime finite fields. ISIT 2008: 1843-1847 - 2004
- [c2]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 - [c1]Juliano B. Lima, Ricardo M. Campello de Souza, Hélio M. de Oliveira, M. M. Campello de Souza:
Faster DTMF Decoding. ICT 2004: 510-515
Parts in Books or Collections
- 2014
- [p1]Juliano B. Lima, Daniel Panario, Ricardo M. Campello de Souza:
A trigonometric approach for Chebyshev polynomials over finite fields. Applied Algebra and Number Theory 2014: 255-279
Informal and Other Publications
- 2017
- [i22]Ricardo M. Campello de Souza, Hélio M. de Oliveira, Renato J. Cintra:
Multiuser Communication Based on the DFT Eigenstructure. CoRR abs/1702.01793 (2017) - 2015
- [i21]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) - [i20]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) - [i19]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) - [i18]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) - [i17]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) - [i16]Hélio M. de Oliveira, Renato J. Cintra, Ricardo M. Campello de Souza:
Multilayer Hadamard Decomposition of Discrete Hartley Transforms. CoRR abs/1502.02168 (2015) - [i15]Hélio M. de Oliveira, C. M. F. Barros, Ricardo M. Campello de Souza:
Fourier Codes and Hartley Codes. CoRR abs/1502.02489 (2015) - [i14]Ricardo M. Campello de Souza, Hélio M. de Oliveira, Danilo Silva:
The Z Transform over Finite Fields. CoRR abs/1502.03371 (2015) - [i13]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) - [i12]Ricardo M. Campello de Souza, Hélio M. de Oliveira, A. N. Kauffman:
The Hartley Transform in a Finite Field. CoRR abs/1502.04670 (2015) - [i11]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) - [i10]Hélio M. de Oliveira, Ricardo M. Campello de Souza:
Orthogonal Multilevel Spreading Sequence Design. CoRR abs/1502.05881 (2015) - [i9]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) - [i8]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) - [i7]Ricardo M. Campello de Souza, Eduarda S. V. Freire, Hélio M. de Oliveira:
Fourier Codes. CoRR abs/1503.03293 (2015) - [i6]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) - [i5]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) - [i4]P. Carrion, Hélio M. de Oliveira, Ricardo M. Campello de Souza:
A Low-throughput Wavelet-based Steganography Audio Scheme. CoRR abs/1503.07551 (2015) - [i3]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) - [i2]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) - [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)
Coauthor Index
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