Estudo comparativo entre dois métodos de localização da fronteira externa da íris: um estudo de caso

  • Delmiro Neto UNIVASF
  • Rosalvo Neto UNIVASF

Resumo


Uma das etapas mais importantes no sistema de reconhecimento por íris é a sua localização dentro da imagem. Este trabalho apresenta uma comparação de desempenho entre dois métodos de localização da fronteira externa da íris aplicado a uma base de dados de um conhecido benchmark. Os dois métodos selecionados foram: o Operador Intero-Diferencial de Daugman e a Transformada de Hough. A comparação foi realizada através do processo de validação cruzada para definição do intervalo de confiança. O teste t-Student emparelhado unicaudal mostrou que existe diferença de desempenho com um nível de confiança de 95%.

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Publicado
09/04/2019
NETO, Delmiro; NETO, Rosalvo. Estudo comparativo entre dois métodos de localização da fronteira externa da íris: um estudo de caso. In: ESCOLA REGIONAL DE COMPUTAÇÃO BAHIA, ALAGOAS E SERGIPE (ERBASE) , 2019, Ilhéus. Anais [...]. Porto Alegre: Sociedade Brasileira de Computação, 2019 . p. 225-234.