The present study aimed to develop and implement a method for detection and classification of spectral signatures in point clouds obtained from terrestrial laser scanner in order to identify the presence of different rocks in outcrops and to generate a digital outcrop model. To achieve this objective, a software based on cluster analysis was created, [...]
This paper presents an on-the-fly procedure for obtaining extrinsic camera parameters of onboard vehicular cameras, as well as augmented reality applications for driver assistance systems and road inspection. The proposed approach employs a lane detection algorithm to extract the lane boundaries of the road, and estimates the distance between adjacent lane markings based on the [...]
In recent years, there has been growing support for more tightly coupled applications regarding heterogeneous resources. A specific way of obtaining better performance in such applications is to consider the replacement of execution entities by newer resources during the application's lifetime. Therefore, this article describes the rationale for developing jMigBSP, which is a Java programming [...]
Nowadays, Brazil has an expected growth in the tourism sector due to the FIFA World Cup (which had a huge success) and the Olympics in Rio de Janeiro. However, there is a lack of tourism applications for Brazil, such as Electronic Tourism Guides (ETGs) for mobile devices. The existence of ETGs that takes into account [...]
Este artigo tem como objetivo apresentar as idéias para o desenvolvimento de um framework para balanceamento de carga chamado GetLB. Considerando o contexto de transferência eletrônica de fundos (TEF), GetLB oferece uma nova forma de organizar as interações entre o chaveador e as máquinas processadoras. Esta organização permite que o chaveador combine informações atualizadas para [...]
Um dos problemas que as universidades brasileiras vêm enfrentando é ocrescente número da evasão escolar. Pesquisas foram realizadas sobre este assunto afim de identificar padrões que expliquem este comportamento visando contribuircomo uma forma de minimizar o impacto da evasão escolar. Este artigo apresentauma pesquisa onde se buscou, através da aplicação do processo de Descoberta deConhecimento [...]
This work presents an introduction to Information Extraction systems and a survey of the known approaches of Information Extraction in the legal area. This work analyzes with particular attention the techniques that rely on the representation of legal knowledge as a means to achieve better performance, with emphasis on those techniques including ontologies and linguistic [...]
Este artigo tem por objetivo descrever contribuições que a Análise Ludológica oferece ao desenvolvimento de Jogos Sérios. Para tal, é descrito um estudo de caso no qual foram avaliadas características de Jogos Sérios na busca do entendimento dos elementos que fazem com que os jogadores sintam-se desafiados e motivados. Este estudo foi realizado com a [...]
Today, BSP (Bulk-Synchronous Parallel) represents one of the most used models for writing tightly-coupled parallel programs. A BSP application is divided in one or more supersteps, each one ending with a synchronization barrier. As resource substrates, commonly clusters and eventually computational grids are used to run BSP applications. In this context, we investigate the use [...]
The current genetic makeup of Latin America has been shaped by a history of extensive admixture between Africans, Europeans and Native Americans, a process taking place within the context of extensive geographic and social stratification. We estimated individual ancestry proportions in a sample of 7,342 subjects ascertained in five countries (Brazil, Chile, Colombia, México and [...]