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1

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

Ariyarathna, Viduneth, Madanayake, Arjuna, Tang, Xinyao, Coelho, Diego, Cintra, Renato J., Belostotski, Leonid, Mandal, Soumyajit, Rappaport, Theodore S.

Journal:

IEEE Journal on Emerging and Selected Topics in Circuits and Systems

Year:

2018

Language:

english

File:

PDF, 9.74 MB

english, 2018

2

On Some Properties of the Beta Normal Distribution

Rêgo, Leandro C., Cintra, Renato J., Cordeiro, Gauss M.

Journal:

Communication in Statistics- Theory and Methods

Year:

2012

Language:

english

File:

PDF, 542 KB

english, 2012

3

[IEEE 2020 IEEE International Symposium on Circuits and Systems (ISCAS) - Sevilla (2020.10.12-2020.10.14)] 2020 IEEE International Symposium on Circuits and Systems (ISCAS) - Low-Complexity Real-Time Light Field Compression using 4-D Approximate DCT

Liyanage, Namalka, Wijenayake, Chamith, Edussooriya, Chamira U. S., Madanayake, Arjuna, Cintra, Renato, Ambikairajah, Eliathamby

Year:

2020

File:

PDF, 637 KB

2020

4

INNOVATION MANAGEMENT OFFICE AND INTRAPRENEURSHIP: alternative constructs related to the management of organizational transformation.

Cintra, Leandro Pinheiro, Silveira, Larissa Andrade Gomes, Braga, Renato Da Costa

Journal:

Revista Latino-Americana de Inovação e Engenharia de Produção

Year:

2018

File:

PDF, 306 KB

2018

5

Effect of processing conditions on some functional characteristics of extrusion-cooked cassava starch/wheat gluten blends

Jorge Minoru Hashimoto, Elizabeth Harumi Nabeshima, Helio Spinelli Cintra, Álvaro Renato Guerra Dias, Fernando Martínez Bustos, Yoon Kil Chang

Journal:

Journal of the Science of Food and Agriculture

Year:

2002

Language:

english

File:

PDF, 181 KB

english, 2002

6

[IEEE 2012 IEEE International Symposium on Circuits and Systems - ISCAS 2012 - Seoul, Korea (South) (2012.05.20-2012.05.23)] 2012 IEEE International Symposium on Circuits and Systems - Error-free VLSI architecture for the 2-D Daubechies 4-tap filter using algebraic integers

Madishetty, Shiva, Madanayake, Arjuna, Cintra, Renato J., Mugler, Dale, Dimitrov, Vassil S.

Year:

2012

Language:

english

File:

PDF, 418 KB

english, 2012

7

[IEEE 2011 IEEE International Symposium on Circuits and Systems (ISCAS) - Rio de Janeiro, Brazil (2011.05.15-2011.05.18)] 2011 IEEE International Symposium of Circuits and Systems (ISCAS) - A new algorithm for double scalar multiplication over Koblitz curves

Adikari, Jithra, Dimitrov, Vassil S., Cintra, Renato J.

Year:

2011

Language:

english

File:

PDF, 182 KB

english, 2011

8

Low-Power VLSI Architectures for DCT\/DWT: Precision vs Approximation for HD Video, Biomedical, and Smart Antenna Applications

Madanayake, Arjuna, Cintra, Renato J., Dimitrov, Vassil, Bayer, Fabio, Wahid, Khan A., Kulasekera, Sunera, Edirisuriya, Amila, Potluri, Uma, Madishetty, Shiva, Rajapaksha, Nilanka

Journal:

IEEE Circuits and Systems Magazine

Year:

2015

Language:

english

File:

PDF, 3.48 MB

english, 2015

9

Increase in Age Is Associated With Worse Outcomes in Alveolar Bone Grafting in Patients With Bilateral Complete Cleft Palate

Calvo, Adriana Maria, Trindade-Suedam, Ivy Kiemle, da Silva Filho, Omar Gabriel, Carvalho, Roberta Martineli, de Souza Faco, Renato André, Ozawa, Terumi Okada, Cintra, Flávia, Trindade, Alceu Sergio,

Journal:

Journal of Craniofacial Surgery

Year:

2014

Language:

english

File:

PDF, 1.28 MB

english, 2014

10

[IEEE 2015 International Conference on Electronics, Communications and Computers (CONIELECOMP) - Cholula, Mexico (2015.2.25-2015.2.27)] 2015 International Conference on Electronics, Communications and Computers (CONIELECOMP) - Low-complexity pruned 8-point DCT approximations for image encoding

Coutinho, Vitor de A., Cintra, Renato J., Bayer, Fabio M., Kulasekera, Sunera, Madanayake, Arjuna

Year:

2015

Language:

english

File:

PDF, 696 KB

english, 2015

11

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

de A. Coutinho, Vitor A., Cintra, Renato J., Bayer, Fabio M.

Journal:

IEEE Transactions on Image Processing

Year:

2017

Language:

english

File:

PDF, 1.61 MB

english, 2017

12

[IEEE 2017 Cognitive Communications for Aerospace Applications Workshop (CCAA) - Cleveland, OH, USA (2017.6.27-2017.6.28)] 2017 Cognitive Communications for Aerospace Applications Workshop (CCAA) - Digital architecture for real-time CNN-based face detection for video processing

Bhattarai, Smrity, Madanayake, Arjuna, Cintra, Renato J., Duffner, Stefan, Garcia, Christophe

Year:

2017

Language:

english

File:

PDF, 832 KB

english, 2017

13

Pruned Discrete Tchebichef Transform Approximation for Image Compression

Coutinho, Vítor A., Cintra, Renato J., Bayer, Fábio M., Oliveira, Paulo A. M., Oliveira, Raíza S., Madanayake, Arjuna

Journal:

Circuits, Systems, and Signal Processing

Year:

2018

Language:

english

File:

PDF, 1.75 MB

english, 2018

14

[IEEE 2017 IEEE 24th Symposium on Computer Arithmetic (ARITH) - London, United Kingdom (2017.7.24-2017.7.26)] 2017 IEEE 24th Symposium on Computer Arithmetic (ARITH) - A Parallel Method for the Computation of Matrix Exponential Based on Truncated Neumann Series

Dimitrov, Vassil, Ariyarathna, Viduneth, Coelho, Diego F. G., Rakai, Logan, Madanayake, Arjuna, Cintra, Renato J.

Year:

2017

Language:

english

File:

PDF, 254 KB

english, 2017

15

Low-Complexity Approximate Convolutional Neural Networks

Cintra, Renato J., Duffner, Stefan, Garcia, Christophe, Leite, Andre

Journal:

IEEE Transactions on Neural Networks and Learning Systems

Year:

2018

Language:

english

File:

PDF, 3.74 MB

english, 2018

16

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

Perera, Sirani M., Ariyarathna, Viduneth, Udayanga, Nilan, Madanayake, Arjuna, Wu, Ge, Belostotski, Leonid, Wang, Yingying, Mandal, Soumyajit, Cintra, Renato J., Rappaport, Theodore S.

Journal:

IEEE Journal of Selected Topics in Signal Processing

Year:

2018

Language:

english

File:

PDF, 3.17 MB

english, 2018

17

Computation of 2D $8\times 8$ DCT Based on the Loeffler Factorization Using Algebraic Integer Encoding

Coelho, Diego F., Nimmalapalli, Sushmabhargavi, Dimitrov, Vassil, Madanayake, Arjuna, Cintra, Renato J., Tisserand, Arnaud

Journal:

IEEE Transactions on Computers

Year:

2018

Language:

english

File:

PDF, 349 KB

english, 2018

18

Beta seasonal autoregressive moving average models

Bayer, Fábio M., Cintra, Renato J., Cribari-Neto, Francisco

Journal:

Journal of Statistical Computation and Simulation

Year:

2018

Language:

english

File:

PDF, 2.29 MB

english, 2018

19

Ecological Gradients Influencing Waterbird Communities in Black Water Lakes in the Anavilhanas Archipelago, Central Amazonia

Journal:

International Journal of Ecology (Hindawi Publishing)

Year:

2012

Language:

english

File:

PDF, 13.59 MB

english, 2012

20

VLSI Architecture for 8-Point AI-based Arai DCT having Low Area-Time Complexity and Power at Improved Accuracy

Edirisuriya, Amila, Madanayake, Arjuna, Dimitrov, Vassil S., Cintra, Renato J., Adikari, Jithra

Journal:

Journal of Low Power Electronics and Applications

Year:

2012

Language:

english

File:

PDF, 151 KB

english, 2012

21

[IEEE 2018 IEEE International Symposium on Circuits and Systems (ISCAS) - Florence, Italy (2018.5.27-2018.5.30)] 2018 IEEE International Symposium on Circuits and Systems (ISCAS) - An Offset-Canceling Approximate-DFT Beamforming Architecture for Wireless Transceivers

Zhao, Haixiang, Mandal, Soumyajit, Ariyarathna, Viduneth, Madanayake, Arjuna, Cintra, Renato J.

Year:

2018

Language:

english

File:

PDF, 4.06 MB

english, 2018

22

Multibeam Digital Array Receiver Using a 16-point Multiplierless DFT Approximation

Ariyarathna, Viduneth, Coelho, Diego F. G., Pulipati, Sravan, Cintra, Renato J., Bayer, Fabio M., Dimitrov, V. S., Madanayake, Arjuna

Journal:

IEEE Transactions on Antennas and Propagation

Year:

2018

Language:

english

File:

PDF, 3.72 MB

english, 2018

23

Resposta de mudas de goiabeira à aplicação de escória de siderurgia como corretivo de acidez do solo

Prado, Renato de Mello, Corrêa, Márcio Cleber de Medeiros, Cintra, Antônio Carlos Oliveira, Natale, William

Journal:

Revista Brasileira de Fruticultura

Year:

2003

File:

PDF, 175 KB

2003

24

Low-Complexity Loeffler DCT Approximations for Image and Video Coding

Coelho, Diego F. G., Cintra, Renato J., Bayer, Fábio M., Kulasekera, Sunera, Madanayake, Arjuna, Martinez, Paulo, Silveira, Thiago L. T., Oliveira, Raíza S., Dimitrov, Vassil S.

Journal:

Journal of Low Power Electronics and Applications

Year:

2018

Language:

english

File:

PDF, 2.27 MB

english, 2018

25

INNOVATION MANAGEMENT OFFICE AND INTRAPRENEURSHIP: alternative constructs related to the management of organizational transformation.

Cintra, Leandro Pinheiro, Silveira, Larissa Andrade Gomes, Braga, Renato Da Costa

Journal:

Revista Latino-Americana de Inovação e Engenharia de Produção

Year:

2018

File:

PDF, 306 KB

2018

26

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

Vasconcelos, Josimar M., Cintra, Renato J., Nascimento, AbraÃ£o D.C., RÃªgo, Leandro C.

Journal:

Journal of Computational and Applied Mathematics

Year:

2020

File:

PDF, 547 KB

2020

27

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

Madanayake, Arjuna, Cintra, Renato J., Akram, Najath, Ariyarathna, Viduneth, Mandal, Soumyajit, Coutinho, Vitor A., Bayer, Fabio M., Coelho, Diego, Rappaport, Theodore S.

Journal:

Year:

2020

File:

PDF, 571 KB

2020

28

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

Perera, Sirani M., Madanayake, Arjuna, Cintra, Renato J.

Journal:

IEEE Open Journal of Signal Processing

Year:

2020

File:

PDF, 905 KB

2020

29

Application of the adverse outcome pathway ( AOP ) framework for investigating skin sensitization potential of nanomaterials using new approach methods

Bezerra, Soraia Ferreira, Rodrigues, Bruna dos Santos, Silva, Artur Christian Garcia, Ãvila, Renato Ivan, Brito, Hallison Ranieri GonÃ§alves, Cintra, EmÃlio Ramos, Veloso, Danillo Fabrini Maciel Cos

Journal:

Contact Dermatitis

Year:

2020

File:

PDF, 2.06 MB

2020

30

Ecosystem-level carbon stocks and sequestration rates in mangroves in the CananÃ©ia-Iguape lagoon estuarine system, southeastern Brazil

Rovai, Andre S., Coelho-Jr, Clemente, de Almeida, Renato, Cunha-Lignon, MarÃlia, Menghini, Ricardo P., Twilley, Robert R., CintrÃ³n-Molero, Gilberto, Schaeffer-Novelli, Yara

Journal:

Forest Ecology and Management

Year:

2021

File:

PDF, 2.17 MB

2021

31

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

Palm, Bruna G., Bayer, FÃ¡bio M., Cintra, Renato J.

Journal:

Digital Signal Processing

Year:

2021

File:

PDF, 1.15 MB

2021

32

Contributions of C3and C4plants to higher trophic levels in an Amazonian savanna

William E. Magnusson, M. Carmozina de Araújo, Renato Cintra, Albertina P. Lima, Luiz A. Martinelli, Tânia M. Sanaiotti, Heraldo L. Vasconcelos, Reynaldo L. Victoria

Journal:

Year:

1999

Language:

english

File:

PDF, 112 KB

english, 1999

33

Spatial distribution and habitat of the Anavilhanas Archipelago bird community in the Brazilian Amazon

Renato Cintra, Tânia M. Sanaiotti, Mario Cohn-Haft

Journal:

Biodiversity and Conservation

Year:

2007

Language:

english

File:

PDF, 342 KB

english, 2007

34

Robust image watermarking using non-regular wavelets

Renato J. Cintra, Todor V. Cooklev

Journal:

Signal, Image and Video Processing

Year:

2009

Language:

english

File:

PDF, 754 KB

english, 2009

35

Black-eared Fairy (Heliothryx aurita, Trochilidae) using a gliding flight like falling leaves when leaving nest

Journal:

Journal of Ornithology

Year:

1990

Language:

english

File:

PDF, 148 KB

english, 1990

36

80. Purification of a Prothrombin Activator from Bothrops moojeni Snake Venom

Marco A. Sartim, Renato C. Caetano, Norival A. Santos-Filho, Wallace de P. Adolpho, Adélia C.O. Cintra, Suely V. Sampaio

Journal:

Year:

2012

Language:

english

File:

PDF, 47 KB

english, 2012

37

Clinical Case Notes : Upper eyelid oedema in Melkersson− Rosenthal syndrome

Paulo de Tarso P Pierre-Filho, Eduardo Melani Rocha, Renato Natalino, Maria Letícia Cintra, Roberto Caldato

Journal:

Clinical & Experimental Ophthalmology

Year:

2004

Language:

english

File:

PDF, 1.56 MB

english, 2004

38

Seed and Seedling Survival of the Palm Astrocaryum murumuru and the Legume Tree Dipteryx micrantha in Gaps in Amazonian Forest

Renato Cintra and Viviana Horna

Journal:

Journal of Tropical Ecology

Year:

1997

Language:

english

File:

PDF, 1.70 MB

english, 1997

39

Citrus huanglongbing in São Paulo State, Brazil: PCR detection of the ‘Candidatus’ Liberibacter species associated with the disease

Diva do Carmo Teixeira, Jean Luc Danet, Sandrine Eveillard, Elaine Cristina Martins, Waldir Cintra de Jesus Junior, Pedro Takao Yamamoto, Silvio Aparecido Lopes, Renato Beozzo Bassanezi, Antonio Julia

Journal:

Molecular and Cellular Probes

Year:

2005

Language:

english

File:

PDF, 371 KB

english, 2005

40

Spatial Distribution and Foraging Tactics of Tyrant Flycatchers in Two Habitats in the Brazilian Amazon

Journal:

Studies on Neotropical Fauna and Environment

Year:

1997

Language:

english

File:

PDF, 146 KB

english, 1997

41

A test of the Janzen-Connell model with two common tree species in Amazonian forest

Journal:

Journal of Tropical Ecology

Year:

1997

Language:

english

File:

PDF, 1.54 MB

english, 1997

42

Composition and Structure of the Lacustrine Bird Communities of Seasonally Flooded Wetlands of Western Brazilian Amazonia at High Water

Cintra, Renato, Dos Santos, Pedro Manuel Ribeiro Simões, Leite, Cristina Banks

Journal:

Year:

2007

Language:

english

File:

PDF, 429 KB

english, 2007

43

Seed and seedling survival of the palm Astrocaryum murumuru and the legume tree Dipteryx micrantha in gaps in Amazonian forest

Cintra, Renato, Horna, Viviana

Journal:

Journal of Tropical Ecology

Year:

1997

Language:

english

File:

PDF, 1.62 MB

english, 1997

44

Entropy-Based Statistical Analysis of PolSAR Data

Frery, Alejandro C., Cintra, Renato J., Nascimento, Abraao D. C.

Journal:

IEEE Transactions on Geoscience and Remote Sensing

Year:

2013

Language:

english

File:

PDF, 1.16 MB

english, 2013

45

Egg Losses in Communal Nests of the Guira Cuckoo (Pérdida de Huevos en nidos Comunales de Güira güira)

Roberto B. Cavalcanti, Maristerra R. Lemes and Renato Cintra

Journal:

Journal of Field Ornithology

Year:

1991

Language:

english

File:

PDF, 163 KB

english, 1991

46

Nesting Ecology of the Paraguayan Caiman (Caiman yacare) in the Brazilian Pantanal

Journal:

Journal of Herpetology

Year:

1988

Language:

english

File:

PDF, 188 KB

english, 1988

47

A DCT Approximation for Image Compression

Cintra, Renato J., Bayer, FÃ¡bio M.

Journal:

IEEE Signal Processing Letters

Year:

2011

Language:

english

File:

PDF, 973 KB

english, 2011

48

VLSI architecture for 4-D depth filtering

Madanayake, Arjuna, Wimalagunarathne, Randeel, Dansereau, Donald G., Cintra, Renato J., Bruton, Len T.

Journal:

Signal, Image and Video Processing

Year:

2015

Language:

english

File:

PDF, 576 KB

english, 2015

49

Breeding and Migrating Birds in an Amazonian Savanna

Sanaiotti, T�nia M., Cintra, Renato

Journal:

Studies on Neotropical Fauna and Environment

Year:

2001

Language:

english

File:

PDF, 273 KB

english, 2001

50

Distribution, Abundance and Habitat Selection by Breeding Yellow-billed Terns ( Sternula superciliaris ), Large-Billed Terns ( Phaetusa simplex ) and Black Skimmers ( Rynchops niger ) in the Brazilian Amazon

Zarza, Rebecca, Cintra, Renato, Anciäes, Marina

Journal:

Year:

2013

Language:

english

File:

PDF, 296 KB

english, 2013

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