Um algoritmo eficiente de reconhecimento da �ris foi desenvolvido com base no princ�pio de J. Daugman. O algoritmo de J. Daugman primeiro localiza os limites pupilares e l�mbicos da �ris usando um operador integrodiferencial que encontra o c�rculo na imagem onde a intensidade est� a mudar mais rapidamente em rela��o �s mudan�as no raio. Os par�metros-chave incluem: - *algoritmo de Daugman mais eficaz e preciso *t�cnica de pr�-processamento *destaques da implementa��o do algoritmo baseado em J. Daugman em imagens da �ris *os resultados da simula��o mostram a sa�da das v�rias simula��es realizadas em imagens da �ris *conclus�es e perspectivas futuras destacam os resultados do trabalho de investiga��o.

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