Content Based Queries
Mostrando 1-12 de 24 artigos, teses e dissertações.
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1. A bibliometric and classification study of Project-based Learning in Engineering Education
Abstract Engineering education has been the subject of studies in search of approaches that provide better results in terms of learning. The Project Based Learning approach (PBL) is the subject of this study from the point of view of its application in Engineering. The objective is to present a classification and bibliometric analysis of PBL in Engineering.
Prod.. Publicado em: 27/07/2017
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2. Transformação de espaços métricos otimizando a recuperação de imagens por conteúdo e avaliação por análise visual / Metric space transformation optimizing content-based image retrieval and visual analysis evaluation
O problema da descontinuidade semântica tem sido um dos principais focos de pesquisa no desenvolvimento de sistemas de recuperação de imagens baseada em conteúdo (CBIR). Neste contexto, as pesquisas mais promissoras focam principalmente na inferência de pesos de características contínuos e na seleção de características. Entretanto, os processos tra
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 30/01/2012
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3. Recuperação de vídeos comprimidos por conteúdo / Content-based retrieval of compressed videos
Recent advances in the technology have enabled the increase of the availability of video data, creating large digital video collections. This has spurred great interest in systems that are able to manage those data in a efficient way. Making efficient use of video information requires the development of powerful tools to extract high-level semantics from low
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 28/11/2011
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4. Istar : um esquema estrela otimizado para Image Data Warehouses baseado em similaridade
A data warehousing environment supports the decision-making process through the investigation and analysis of data in an organized and agile way. However, the current data warehousing technologies do not allow that the decision-making processe be carried out based on images pictorial (intrinsic) features. This analysis can not be carried out in a conventiona
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 26/08/2011
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5. Automatic hippocampus segmentation through similarity cloud / Segmentação da estrutura cerebral hipocampo por meio de nuvem de similaridade
The hippocampus is a particular structure that plays a main role in human memory systems. Tissue modifications of the hippocampus lead to neurodegenerative diseases as epilepsy, multiple sclerosis, and dementia, among others. To measure hippocampus atrophy, it is crucial to get its isolated representation from the whole brain volume. Separating the hippocamp
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 03/08/2011
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6. Indexing and querying dataspaces
Over theWeb, distributed and heterogeneous sources with structured and related content form rich repositories of information commonly referred to as dataspaces. To provide access to this heterogeneous data, information integration systems have traditionally relied on the availability of a mediated schema, along with mappings between this schema and the schem
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 2011
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7. Recuperação de imagens multiescala intervalar / Image retrieval by interval multiscale
We present a general method for content-based image retrieval (CBIR) in large image collections, using multiscale interval distance estimation. We consider specifically queries by example, where the goal is to find the image in the collection that is closest to a given image, according to some image distance function. In this work we do not aim to develop me
Publicado em: 2010
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8. Reducing the semantic gap content-based image retrieval with similarity queries / Adequando consultas por similaridade para reduzir a descontinuidade semântica na recuperação de imagens por conteúdo
The increasing number of images captured in digital media fostered the developmet of new methods for the recovery of these images. Dissimilarity is a criteria that can be used for image retrieval, where the results are images that are similar to a given reference. The queries are based on feature vectors automatically extracted from the images and on distanc
Publicado em: 2009
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9. Processamento de consultas por similaridade em imagens médicas visando à recuperação perceptual guiada pelo usuário / Similarity Queries Processing Aimed at Retrieving Medical Images Guided by the User´s Perception
O aumento da geração e do intercâmbio de imagens médicas digitais tem incentivado profissionais da computação a criarem ferramentas para manipulação, armazenamento e busca por similaridade dessas imagens. As ferramentas de recuperação de imagens por conteúdo, foco desse trabalho, têm a função de auxiliar na tomada de decisão e na prática da m
Publicado em: 2009
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10. Treatment of time and dynamics in dta represented in metric spaces / Tratamento de tempo e dinamicidade em dados representados em espaços métricos
Nowadays, the Database Management Systems (DBMS) must be able to manage complex data, such as multimedia data, genetic sequences, temporal series, besides the traditional data. For queries on large collections of complex data, the similarity among elements is the most relevant concept, and it can be adequately expressed when data are represented in metric sp
Publicado em: 2009
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11. Análise da influência de funções de distância para o processamento de consultas por similaridade em recuperação de imagens por conteúdo / Analysis of the influence of distance functions to answer similarity queries in content-based image retrieval.
The retrieval of images by visual content relies on a feature extractor to provide the most meaningful intrinsic characteristics (features) from the data, and a distance function to quantify the similarity between them. A challenge in this field supporting content-based image retrieval (CBIR) to answer similarity queries is how to best integrate these two ke
Publicado em: 2008
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12. WBG (Whois Based Geolocation): uma estratÃgia para localizaÃÃo geogrÃfica de hosts na Internet
By knowing the hostâs geographic location, one can offer several user tailored applications, such as: a) web pages with regional preferences (e.g. an online user may receive selective and directed advertising according to her location or be subject to automatic language selection when displaying content); b) control data availability, according to user geog
Publicado em: 2008