Information Visualization Techniques
Mostrando 1-12 de 44 artigos, teses e dissertações.
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1. Thermomagnetic Study for Identification of Mineral Phases
The characterization of materials is an area of extreme importance for engineering, it uses a range of instrumental techniques to provide an information bank for material analysis and selection. In the treatment of iron ore the mineralogical characterization is done, almost exclusively, by optical microscopy. However, materials with very fine granulometry, b
Mat. Res.. Publicado em: 22/05/2017
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2. Um estudo sobre o papel de medidas de similaridade em visualização de coleções de documentos / A study on the role of similarity measures in visual text analytics
Information visualization techniques, such as similarity based point placement, are used for generating of visual data representation that evidence some patterns. These techniques are sensitive to data quality, which depends of a very influential preprocessing step. This step involves cleaning the text and in some cases, detecting terms and their weights, as
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 27/09/2012
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3. Uma abordagem baseada em técnicas de visualização de informações para avaliação de características de imagens e aplicações / Approach based on information visualization techniques for evaluation of image features and applications
Na maioria dos processos de análise de imagens há a necessidade de um pré-processamento, no qual são extraídos e calculados vetores de características que representem as imagens são utilizados no cálculo de similaridade. Uma dificuldade nessas tarefas é o grande número de características que definem um espaço de alta dimensionalidade, afetando fo
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 24/09/2012
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4. Qualidade de artigos na wikipedia para seus usuários - análise e proposta de interação
Wikipedia has drawn much attention from scientists because of its bold proposal to create an open, collaborative encyclopedia, and even more for being so popular. Since the creation of Wikipedia in 2001 by Jimbo Wales and Larry Sanger, its growth hás been dizzying surpassing 2.5 million articles in English version. However, the use of such content faces the
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 25/03/2011
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5. A infografia como recurso comunicacional no processo de aquisição de informação e compreensão de tipografia
This exploratory study focuses on the use potential of infographics, visualization techniques and information design to enhance access to typography. An analysis and synthesis of methods is proposed and added to experience reports that guide the creation of informational graphics, from where the idea that the construction process and not only the query use o
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 23/03/2011
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6. An efficient naturalness-preserving image-recoloring method for dichromats
We present an efficient and automatic image-recoloring technique for dichromats that highlights important visual details that would otherwise be unnoticed by these individuals. While previous techniques approach this problem by potentially changing all colors of the original image, causing their results to look unnatural to color vision deficients, our appro
Publicado em: 2011
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7. Computational framework to analyze agrometeorological, climate and remote sensing data: challenges and perspectives.
In the past few years, improvements in the data acquisition technology have decreased the time interval of data gathering. Consequently, institutions have stored huge amounts of data such as climate time series and remote sensing images. Computational models to filter, transform, merge and analyze data from many different areas are complex and challenging. T
CONGRESSO DA SOCIEDADE BRASILEIRA DE COMPUTAÇÃO. Publicado em: 2011
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8. Uso de técnicas de visualização de informação para o estudo de tráfegos de gerenciamento de redes / Information visualizaton techniques applied in the study of network management traffics
Em 2008, o IRTF lançou a RFC “SNMP Traffic Measurements and Trace Exchange Formats”, que apresenta uma metodologia para coleta e análise de tráfego SNMP, com o objetivo de identificar características e padrões de uso desse protocolo nas redes em produção. Uma das limitações desta metodologia é a não especificação de um processo de visualiza�
Publicado em: 2011
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9. Localization of Pantoea ananatis inside lesions of maize white spot disease using transmission electron microscopy and molecular techniques.
The etiological agent of maize white spot (MWS) disease has been a subject of controversy and discussion. Initially the disease was described as Phaeosphaeria leaf spot caused by Phaeosphaeria maydis. Other authors have suggested the existence of different fungal species causing similar symptoms. Recently, a bacterium, Pantoea ananatis, was described as the
Tropical Plant Pathology. Publicado em: 2011
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10. Técnicas de visualização para sistemas de recuperação de imagens por conteúdo / Visualization techniques for content-based image retrieval
A Content-Based Image Retrieval (CBIR) system offers mechanisms needed to search and retrieve images based on visual properties such as color, texture, shape, etc. In an image search process, the presentation of results is an essential component as the retrieval of relevant images is the reason of the system existence. Consequently, the use of appropriate vi
Publicado em: 2010
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11. TÉCNICAS DE NAVEGAÇÃO 3D USANDO O CUBO DE DISTÂNCIAS / 3D NAVIGATION TECHNIQUES USING THE CUBE MAP
The use of 3D viewers is becoming common in several activities. The appearance of new technologies, with the resulting increase in processing power, made possible the creation of larger and richer 3D virtual environments. However, the navigation in 3D environments, especially the multiscale ones, is still a problem for many users. The goal of this work is to
Publicado em: 2010
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12. Aplicação de técnicas de visualização de informação em ferramentas para apoio à avaliação formativa em sistemas de EaD / Application of techniques of information visualization to support formative assessment in e-learning systems
Com o crescimento da Educação a Distância online (EaD), cresce também a necessidade de suporte a novos e mais efetivos métodos de avaliação para esta modalidade, como a Avaliação Formativa, que permite monitorar e orientar continuamente a participação dos alunos no desenvolvimento de uma ação de aprendizagem. As ferramentas para suporte a este m
Publicado em: 2010