Directional Images Applied to Axonal Arborization Identification. - Silvia M. Farani Costa; Nathalia Peixoto; João Marcelo V. de Oliveira; Luciano M. Arantes; Francisco Javier Ramirez Fernandez (SIBGRAPI, 2000)

New Method to Obtain the Directional Image for Fingerprint Classification. - Silvia M. Farani Costa; João Marcelo V. de Oliveira; Luciano M. Arantes; Francisco Javier Ramirez Fernandez (SIBGRAPI, 2001)

A New Paradigm on Fingerprint Classification using Directional Image. - Silvia M. Farani Costa; João Marcelo V. de Oliveira; Francisco Javier Ramirez Fernandez (SIBGRAPI, 2002)