An Exploratory Study of Biometrics Using Eye Movement Trajectory Images Collected by Natural Image Stimuli

  • Antonio Brasil IFES
  • Jefferson Andrade IFES
  • Luiz Pinto IFES
  • Karin Komati IFES

Resumo


O estudo de movimentos oculares como forma de biometria começou em 2004 e tem como processo típico a captura dos movimentos usando imagens estímulos, tratamento destes dados como sinais no tempo seguido de classificação. Este trabalho propõe dois diferenciais, um é o uso da base de dados DOVES de movimentos oculares coletadas usando-se imagens naturais como estímulo, e o outro é o tratamento dos movimentos oculares como imagens. São geradas imagens das trajetórias dos movimentos oculares, que são a entrada das técnicas HOG e LBP para extração de características, sucedido pelos classificadores SVM, MLP e floresta aleatória. A maior acurácia foi de 33,3% com a combinação das técnicas HOG e MLP, valor comparável com o melhor resultado da competição EMVIC 2014, de 39,6%, que utilizou imagens de faces como estímulo.

Palavras-chave: Biometria, Movimentos Oculares, Base de dados DOVES, imagens

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Publicado
30/06/2020
BRASIL, Antonio; ANDRADE, Jefferson ; PINTO, Luiz; KOMATI, Karin . An Exploratory Study of Biometrics Using Eye Movement Trajectory Images Collected by Natural Image Stimuli. In: SEMINÁRIO INTEGRADO DE SOFTWARE E HARDWARE (SEMISH), 47. , 2020, Cuiabá. Anais [...]. Porto Alegre: Sociedade Brasileira de Computação, 2020 . p. 25-36. ISSN 2595-6205. DOI: https://doi.org/10.5753/semish.2020.11314.