Search Results - "Papa, J. P."

IFTrace: Video segmentation of deformable objects using the Image Foresting Transform by Minetto, R., Spina, T.V., Falcão, A.X., Leite, N.J., Papa, J.P., Stolfi, J.

“…► It can handle total and partial occlusions, camera effects and deformable objects. ► To be the first to use the Image Foresting Transform for tracking…”
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Supervised pattern classification based on optimum-path forest by Papa, J. P., Falcão, A. X., Suzuki, C. T. N.

“…We present a supervised classification method which represents each class by one or more optimum‐path trees rooted at some key samples, called prototypes. The…”
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Convex restriction sets for CBERS-2 satellite image restoration by Papa, J. P., Mascarenhas, N. D. A., Fonseca, L. M. G., Bensebaa, K.

“…The main goal of this work is to develop a new efficient image restoration algorithm based on projections onto convex sets technique (POCS), which uses some a…”
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Automatic Segmentation and Classification of Human Intestinal Parasites From Microscopy Images by Suzuki, Celso T. N., Gomes, Jancarlo F., Falcao, Alexandre X., Papa, João P., Hoshino-Shimizu, Sumie

“…Human intestinal parasites constitute a problem in most tropical countries, causing death or physical and mental disorders. Their diagnosis usually relies on…”
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BBA: A Binary Bat Algorithm for Feature Selection by Nakamura, R. Y. M., Pereira, L. A. M., Costa, K. A., Rodrigues, D., Papa, J. P., Yang, X.-S

“…Feature selection aims to find the most important information from a given set of features. As this task can be seen as an optimization problem, the…”
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A New Approach for Nontechnical Losses Detection Based on Optimum-Path Forest by Ramos, C C O, de Sousa, A N, Papa, J P, Falcão, Alexandre Xavier

“…Nowadays, fraud detection is important to avoid nontechnical energy losses. Various electric companies around the world have been faced with such losses,…”
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BCS: A Binary Cuckoo Search algorithm for feature selection by Rodrigues, D., Pereira, L. A. M., Almeida, T. N. S., Papa, J. P., Souza, A. N., Ramos, C. C. O., Xin-She Yang

“…Feature selection has been actively pursued in the last years, since to find the most discriminative set of features can enhance the recognition rates and also…”
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New Insights on Nontechnical Losses Characterization Through Evolutionary-Based Feature Selection by Ramos, C. C. O., de Souza, A. N., Falcao, A. X., Papa, J. P.

“…Although nontechnical losses automatic identification has been massively studied, the problem of selecting the most representative features in order to boost…”
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A path- and label-cost propagation approach to speedup the training of the optimum-path forest classifier by Iwashita, A.S., Papa, J.P., Souza, A.N., Falcão, A.X., Lotufo, R.A., Oliveira, V.M., de Albuquerque, Victor Hugo C., Tavares, João Manuel R.S.

“…•A novel algorithm for optimum-path forest (OPF) training is proposed.•It was validated using 5 public datasets from different applications.•It is faster than…”
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Fine-Tuning Infinity Restricted Boltzmann Machines by Passos, Leandro Aparecido, Papa, Joao Paulo

“…Restricted Boltzmann Machines (RBMs) have received special attention in the last decade due to their outstanding results in number of applications, such as…”
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Social-Spider Optimization-Based Artificial Neural Networks Training and Its Applications for Parkinson's Disease Identification by Pereira, L. A. M., Rodrigues, D., Ribeiro, P. B., Papa, J. P., Weber, Silke A. T.

“…Evolutionary algorithms have been widely used for Artificial Neural Networks (ANN) training, being the idea to update the neurons' weights using social…”
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Intrusion Detection System Based On Flows Using Machine Learning Algorithms by Kakihata, E.M., Sapia, H.M., Oikawa, R.T., Pereira, D.R., Papa, J.P., Alburquerque, V.H.C., Silva, F.A.

“…The use of technology information and communication by different types of devices generates a large quantity of data packets that contains of confidential and…”
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A New Method for Automatic Vehicle License Plate Detection by Lofrano Corneto, Guilherme, Assis da Silva, Francisco, Pereira, Danillo Roberto, de Almeida, Leandro Luis, Olivete Artero, Almir, Papa, Joao Paulo, Costa de Albuquerque, Victor Hugo, Molina Sapia, Helton

“…License plate recognition has been widely studied, and the advance in image capture technology helps enhance or create new methods to achieve this objective…”
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Feature selection through gravitational search algorithm by Papa, J. P., Pagnin, A., Schellini, S. A., Spadotto, A., Guido, R. C., Ponti, M., Chiachia, G., Falcao, A. X.

“…In this paper we deal with the problem of feature selection by introducing a new approach based on Gravitational Search Algorithm (GSA). The proposed algorithm…”
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Blank Spots Identification on Plantations by Rubira Crulhas, Joao Pedro, Artero, Almir Oliveira, Piteri, Marco Antonio, Silva, Francisco Assis da, Pereira, Danillo Roberto, Eler, Danilo Medeiros, de Albuquerque, Victor Hugo C.

“…This paper presents a proposal to make the identification of failures in plantations performing an automatic analysis of images collected by the UAVs. What is…”
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Improving Image Classification through Descriptor Combination by Mansano, A., Matsuoka, J. A., Afonso, L. C. S., Papa, J. P., Faria, F., da S Torres, R.

“…The efficiency in image classification tasks can be improved using combined information provided by several sources, such as shape, color, and texture visual…”
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Optimizing Optimum-Path Forest Classification for Huge Datasets by Papa, J P, Cappabianco, F A M, Falcao, A X

“…Traditional pattern recognition techniques can not handle the classification of large datasets with both efficiency and effectiveness. In this context, the…”
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Optimum-Path Forest Pruning Parameter Estimation through Harmony Search by Nakamura, R. Y. M., Pereira, C. R., Papa, J. P., Falcao, A. X.

“…Pattern recognition in large amount of data has been paramount in the last decade, since that is not straightforward to design interactive and real time…”
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Speeding up optimum-path forest training by path-cost propagation by Iwashita, A. S., Papa, J. P., Falcao, A. X., Lotufo, R. A., de Araujo Oliveira, V. M., de Albuquerque, V. H. C., Tavares, J. M. R. S.

“…In this paper we present an optimization of the Optimum-Path Forest classifier training procedure, which is based on a theoretical relationship between minimum…”
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Robust and fast Vowel Recognition Using Optimum-Path Forest by Papa, J P, Marana, A N, Spadotto, A A, Guido, R C, Falcáo, A X

“…The applications of Automatic Vowel Recognition (AVR), which is a sub-part of fundamental importance in most of the speech processing systems, vary from…”
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