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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Detecção de arestas com o tensor de estrutura

Silva, José Amauri Siqueira da 20 February 2009 (has links)
Made available in DSpace on 2015-04-22T22:16:09Z (GMT). No. of bitstreams: 1 Dissertacao Final Amauri.pdf: 2958074 bytes, checksum: de9a6605623a316acb109cd1a0c50ad2 (MD5) Previous issue date: 2009-02-20 / FAPEAM - Fundação de Amparo à Pesquisa do Estado do Amazonas / Urich Köthe proposes improvements in the calculation of the structure tensor, that will be presented in this work. First, the tax of sampling is altered, therefore the standard method for calculation of that tensor violates the Shannon s sampling theorem; at second, using a non-linear filter to calculate the entrances of the structure tensor, the integration of information coming from out of the edge is minimized. / Ullrich Köthe propõe melhorias no cálculo do tensor de estrutura, que serão apresentadas neste trabalho. Primeira, a taxa de amostragem é alterada, pois o método padrão para cálculo desse tensor viola o teorema de amostragem de Shannon-Whittaker; segunda, usando um filtro não-linear para calcular as entradas do tensor de estrutura, a integração de informação oriunda de fora da aresta é minimizada.

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