Search Results - "Carrijo, Gilberto Arantes"

Classification of masses in mammographic image using wavelet domain features and polynomial classifier by Nascimento, Marcelo Zanchetta do, Martins, Alessandro Santana, Neves, Leandro Alves, Ramos, Rodrigo Pereira, Flores, Edna Lúcia, Carrijo, Gilberto Arantes

“…•We propose a system for texture analysis and classification of lesions in mammograms.•We validate the method by quantitative evaluation.•We also made a…”
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Waveguide Propagation Model and Measuremensts for Mobile Systems in Brazilian Cities by Tosta Santos, Rafael, Silva Junior, Edgar, Arantes Carrijo, Gilberto

“…This paper presents a deterministic waveguide propagation model and measurements made in Brazilian cities, with transmitting antenna installed on the rooftop…”
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Recursive diameter prediction and volume calculation of eucalyptus trees using Multilayer Perceptron Networks by Soares, Fabrízzio Alphonsus A.M.N, Flôres, Edna Lúcia, Cabacinha, Christian Dias, Carrijo, Gilberto Arantes, Veiga, Antônio Cláudio Paschoarelli

“…► With the known diameter of three neighboring samples points on a trunk as input an MLP can predict a diameter ahead. ► Predictions are close to actual…”
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A New Correction for Bullington Multiple Knife-Edge Model in VHF and UHF TV Bands by Santos Vasconcelos, Lorenco, Arantes Carrijo, Gilberto

“…The path-loss estimation is a very important step in wireless communication systems design and analysis. When the signals propagate over irregular terrain, the…”
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Performance Analysis of M-QAM/OFDM Systems for PLC under Gaussiano and Impulsive Noise by Barbosa Carbonaro, Karine, Arantes Carrijo, Gilberto

“…This paper presents an evaluation of data transmission through M-QAM (Quadrature Amplitude Modulation) and OFDM (Orthogonal Frequency Division Multiplexing)…”
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Comparative Study between the Discrete-Frequency Kalman Filtering and the Discrete-Time Kalman Filtering with Application in Noise Reduction in Speech Signals by Goulart, Cleiton Silvano, Campos, Roberto Duarte, Vasconcelos, Eduardo Silva, Carrijo, Gilberto Arantes, da Silva, Leandro Aureliano, Lemos, Rodrigo Pinto

“…This article aims to carry out a comparative study between discrete-time and discrete-frequency Kalman filters. In order to assess the performance of both…”
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Recursive diameter prediction for calculating merchantable volume of eucalyptus clones using Multilayer Perceptron by Soares, Fabrízzio Alphonsus A. M. N., Flores, Edna Lúcia, Cabacinha, Christin Dias, Carrijo, Gilberto Arantes, Veiga, Antônio Cláudio Paschoarelli

“…A very common problem in forestry is the realization of the forest inventory. The forest inventory is very important because it allows the trading of medium-…”
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OTIMIZAÇÃO USANDO ALGORITMO GENÉTICO DE UM MODELO DE PROPAGÇÃO BASEADO EM EQUAÇÕES PARABÓLICAS by Vilanova, Antonio Carlos, Carrijo, Gilberto Arantes

“…Este artigo apresenta uma avaliação metodológica para otimizar parâmetros em um conhecido modelo de propagação de ondas de rádio na troposfera. O modelo de…”
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Smart Fractal Antennas in Transition Projects to 5G by Ribeiro, Daniel, Carrijo, Gilberto

“…This paper proposes the combined use of two promising techniques in the design of 5G systems: fractal antennas and smart antennas. This new arrangement is…”
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Fundus image quality enhancement for blood vessel detection via a neural network using CLAHE and Wiener filter by dos Santos, Jucelino Cardoso Marciano, Carrijo, Gilberto Arantes, de Fátima dos Santos Cardoso, Cristiane, Ferreira, Júlio César, Sousa, Pedro Moises, Patrocínio, Ana Cláudia

“…Purpose Blood vessel segmentation is the most important step for detecting changes in retinal vascular structures in retinal images. While these images are…”
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Automatic optic disc segmentation using a 3D Morphologic Fuzzy Histon Roughness Index by Cardoso, Cristiane de Fátima dos Santos, Carrijo, Gilberto Arantes, Ferreira, Júlio César, dos Santos, Jucelino Cardoso Marciano

“…Purpose Fundus images have become increasingly important due to the growing number of diabetics and their risk of developing diabetic retinopathy. Automated…”
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Use of Terrestrial Photos in 3D Reconstruction of Urban Areas by Rossi, M. L., Lopes, M. L., Carrijo, G. A.

“…Computational tools are collaborating on the development of urban planning through 2D mapping and geographic information in a way that they became a…”
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A constructivist computational tool to assist in learning primary school mathematical equations by Figueira-Sampaio, Aleandra da Silva, dos Santos, Eliane Elias Ferreira, Carrijo, Gilberto Arantes

“…In constructivist principles, learning is a process in which individuals construct knowledge. Research in Mathematics Education looks for ways to make…”
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Recursive diameter prediction for calculating merchantable volume of Eucalyptus clones without previous knowledge of total tree height using artificial neural networks by Soares, Fabrízzio Alphonsus A.M.N., Flôres, Edna Lúcia, Cabacinha, Christian Dias, Carrijo, Gilberto Arantes, Veiga, Antônio Cláudio Paschoarelli

“…[Display omitted] ► With three diameters neighbors as input an MLP can predict a diameter ahead. ► Diameters estimated are very close to real with too small…”
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Quantization Noise on Image Reconstruction Using Model-Based Compressive Sensing by Ferreira, Julio Cesar, Flores, Edna Lucia, Carrijo, Gilberto Arantes

“…The Compressive Sensing (CS) allows the acquisition of signals already compressed and the posterior reconstruction with much less number of measures than the…”
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Analysis, Measurement and Evaluation of Power Line Communication Network Applied for popular Houses by Zattar, H., Correa, P., Carrijo, G.

“…This paper presents the results obtained by measurement and evaluation performance of the PLC network operating at popular houses in the suburb of Cuiaba city…”
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Optimization of Calculation of Field Orientation Time and Binarization of Fingerprint Images by Xavier Medeiros, Luciano, Lucia Flores, Edna, Arantes Carrijo, Gilberto, Claudio Paschoarelli Veiga, Antonio

“…The field orientation and the binarization in an image are often used in fingerprint identification and authentication, and analysis of textures. The proposed…”
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Intrusion Detection System with Wavelet and Neural Artifical Network Approach for Networks Computers by Tavares Ferreira, Ed Wilson, Arantes Carrijo, Gilberto, de Oliveira, Ruy, Virgilio de Souza Araujo, Nelcileno

“…As the Internet has become an enormous interconnected network, the information security today is very important to guarantee confidentiality, integrity and…”
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Genetic Algorithms Applied in Face Recognition by Medeiros, L. X., Carrijo, G. A., Flores, E. L., Veiga, A. C. P.

“…Face recognition methods are computationally very expensive and use too much memory and processing time. An example of a method that allocates many computer…”
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An Virtual Environment Learning of Low Cost for the Instruction of Electric Circuits by Nakamoto, P.T., Cardoso, A., Lamounier Junior, E., Mendes, E.B., Takahaschi, E.K., Carrijo, G.A.

“…In recent years, a proliferation of learning environments has been observed, with positive impacts at the construction of learning. This paper presents a…”
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