Preprocess
Mostrando 1-12 de 16 artigos, teses e dissertações.
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1. Application of Response Surface Modeling and Chemometrics Methods for the Determination of Ofloxacin in Human Urine Using Dispersive Liquid-Liquid Microextraction Combined with Spectrofluorimetry
Dispersive liquid-liquid microextraction (DLLME) and spectrofluorimetry, coupled with chemometrics methods, are proposed in this work for the pre-concentration and determination of ofloxacin concentration in spiked human urine. Chloroform and acetonitrile were selected as the extraction and dispersive solvents by the one-variable-at-a-time process. The Box-B
J. Braz. Chem. Soc.. Publicado em: 2017-12
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2. SOA-BD: Service Oriented Architecture for Biomedical Devices
Introduction: The communication of information systems with biomedical devices has become complex not only due to the existence of several private communication protocols, but also to the immutable way that software is embedded into these devices. In this sense, this paper proposes a service-oriented architecture to access biomedical devices as a way to abst
Res. Biomed. Eng.. Publicado em: 25/05/2017
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3. REDUÇÃO DE VARIÁVEIS DE ENTRADA DE REDES NEURAIS ARTIFICIAIS A PARTIR DE DADOS DE ANÁLISE DE COMPONENTES PRINCIPAIS NA MODELAGEM DE OXIGÊNIO DISSOLVIDO
The objective of this work is to demonstrate the efficient utilization of the Principal Components Analysis (PCA) as a method to pre-process the original multivariate data, that is rewrite in a new matrix with principal components sorted by it's accumulated variance. The Artificial Neural Network (ANN) with backpropagation algorithm is trained, using this pr
Quím. Nova. Publicado em: 2016-04
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4. Quality of coffee (Coffea arabica L.) pre-processed in coconut / Qualidade de café (Coffea arabica L.) pré-processado por via seca
The maturity stage physiological of coffee fruit after their harvest may influence on the physiological quality of grains and the final quality of coffee drink, mainly because of their peculiarities. The objective of this study was to verify some aspects of pre-process of coffee in coconut, harvesting at different percentages of cherry maturation stage, rela
Publicado em: 2009
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5. Suporte a sistemas de auxílio ao diagnóstico e de recuperação de imagens por conteúdo usando mineração de regras de associação / Supporting Computer-Aided Diagnosis and Content-Based Image Retrieval Systems through Association Rule Mining
In this work we take advantage of association rule mining to support two types of medical systems: the Content-based Image Retrieval (CBIR) and the Computer-Aided Diagnosis (CAD) systems. For content-based retrieval, association rules are employed to reduce the dimensionality of the feature vectors that represent the images and to diminish the semantic gap t
Publicado em: 2008
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6. Managing the lifecycle of sensor data : from production to consumption / Gerenciamento do ciclo de vida de dados de sensores : da produção ao consumo
Sensing devices are becoming widely disseminated, being applied in several domains, noticeably in scientific research. However, the increase in their number and variety introduces problems on managing the produced data, such as how to provide sensor data at distinct rates or temporal resolutions for different applications, or how to pre-process or format the
Publicado em: 2008
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7. VISTREE: uma linguagem visual para análise de padrões arborescentes e para especificação de restrições em um ambiente de mineração de árvores
The frequent pattern mining in data represented by more complex structures like trees and graphs are growing lately. Among the reasons for this improvement is the fact that the tree and graph patterns has more information than sequential patterns, besides there is the possibility of usage of this type of mining in several areas like XML Mining,Web Mining and
Publicado em: 2008
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8. A justiciabilidade dos direitos sociais no Brasil: abordagem analítica, empírica e normativa
Concerning social rights justiciability we proceed to a triple approach analytical, empirical and normative - in its subjective dimension. On the analytical plan, we pursue to solidify the concept of justiciability and its relation to other concepts, as well as identify its nature, typology and content. On this plan we conclude that justiciability exists on
Publicado em: 2008
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9. Automatic in-vivo MRS signal quantification for the classification of brain tumors / Quantificação de sinais de MRS do cerebro in-vivo para classificação de tumores
The aim of this work was to study and validate techniques for pre-processing and quantificating Magnetic Resonance Spectroscopy data, obtained in vivo from the human brain, in order to get information clinically useful for the study and diagnosis of brain tumors. Therefore, a literature-based study of the technique was made, including a review of the Physics
Publicado em: 2008
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10. SiMCaPe - Sistema para a montagem de cariótipo de peixe baseado em conjuntos difusos
The karyotype study of several organisms has a its objective to observe numerical variations, for detecting specific characteristics and to study the evolution of the species. Manual assembling of karyotype is a repetitive, subjective and time consuming task. This project describes the SiMCaPe, an interactive system for assisting the assembling of fish karyo
Publicado em: 2006
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11. LOGÍSTICA FERROVIÁRIA: RESOLUÇÃO DO PROBLEMA DE ALOCAÇÃO ÓTIMA DE VAGÕES E LOCOMOTIVAS NO CURTO PRAZO / RAILWAY LOGISTICS: RESOLUTION OF THE CARS AND LOCOMOTIVES SHORT-TERM ALLOCATION PROBLEM
A alta complexidade do processo logístico de transporte ferroviário de carga, propicia um ambiente favorável para o desenvolvimento de ferramentas de apoio à decisão que possibilitam uma melhor utilização dos recursos envolvidos. Neste trabalho é apresentado um modelo de programação inteira original para o Problema da Alocação ótima de Vagões e
Publicado em: 2005
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12. Bromelain estraction and purification from pineapple economic viability studies / Analise de viabilidade economica de um processo de extração e purificação da bromelina do abacaxi
Brazil is one of the world?s largest producers of pineapples, its production being the third one in the world. To take advantage of the residues from fruit processing, many studies have been conducted to obtain proteolytic enzymes from them. These proteolytic enzymes are extracted mainly from fig (ficine), papaya (papain), and pineapple (bromelain). Bromelai
Publicado em: 2005