EXTRAÇÃO SEMIAUTOMÁTICA DE CONTORNOS DE TELHADO DE EDIFÍCIOS COM BASE EM SNAKES E PROGRAMAÇÃO DINÂMICA

作者: Antonio Juliano Fazan , Aluir Porfírio Dal Poz

DOI: 10.1590/S1982-21702011000300002

关键词:

摘要: Este trabalho apresenta um metodo para a extracao de contornos telhado edificios partir imagens digitais tomadas sobre cenas urbanas complexas. O proposto e baseado na otimizacao uma funcao energia snakes, que representa em digitais, atraves da tecnica por programacao dinâmica. Como grande maioria dos possui lados retilineos se interceptando ângulos retos, foram aplicadas restricoes snakes modo atender esta condicao geometrica. A principal vantagem usar o algoritmo dinâmica otimizar aumento do raio convergencia, quando comparado com normalmente obtido solucao original baseada calculo variacional. avaliacao experimental foi realizada dados reais os resultados obtidos inspecao visual analise numerica experimentos mostraram potencial digitais.

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