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Doctoral Thesis
DOI
https://doi.org/10.11606/T.76.2003.tde-19092008-170713
Document
Author
Full name
Maximiliam Luppe
Institute/School/College
Knowledge Area
Date of Defense
Published
São Carlos, 2003
Supervisor
Committee
Roda, Valentin Obac (President)
Cesar Junior, Roberto Marcondes
Marques, Eduardo
Traina, Agma Juci Machado
Travieso, Gonzalo
Title in Portuguese
Arquiteturas para dilatação exata
Keywords in Portuguese
Arquitetura paralela
Esqueletização
MPI
Processamento de Imagens
Transformada de distância
Abstract in Portuguese
A Transformada Distância é uma importante ferramenta para o processamento de imagens digitais. A partir dela podemos calcular a dimensão fractal e obter o esqueleto de um objeto. Estas operações são muito importantes na análise de formas e no reconhecimento de padrões. Porém poucas são as implementações em hardware específico para este processamento. Neste trabalho apresentamos a implementação de arquiteturas paralelas para a determinação da Transformada Distância e para a geração de esqueletos baseados no algoritmo de Dilatação Exata e Propagação de Rótulos. Propomos também uma implementação do algoritmo utilizando a biblioteca MPI para o processamento paralelo.
Title in English
Architectures for exact dilation
Keywords in English
Distance transform
Image processing
MPI
Parallel architecture
Skeletonization
Abstract in English
Distance Transform is an important tool for digital imaging processing. Using the Distance Transform it is possible to evaluate the fractal dimension and skeletons of objects. Fractal dimension and skeletons are very important in shape analysis and pattern recognition operations, few are the hardware implementation for these operations. In this work we present a parallel implementation based on the exact dilation and label propagation for the evaluation of the Distance Transform and skeletons generation. We also propose an algorithm implementation using the MPI library for parallel processing.
 
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MaximiliamLupped.pdf (910.51 Kbytes)
Publishing Date
2008-09-30
 
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