Now showing items 1-4 of 4
A video-based biometric authentication for e-learning web applications
(Lecture Notes in Business Information Processing, 2009-06-02) [Trabalho apresentado em evento]
In the last years there was an exponential growth in the offering of Web-enabled distance courses and in the number of enrolments in corporate and higher education using this modality. However, the lack of efficient ...
Infrared face recogniton by optimum-path forest
(2009 16th International Conference on Systems, Signals and Image Processing, IWSSIP 2009, 2009-12-01) [Trabalho apresentado em evento]
This paper presents a novel, fast and accurate appearance-based method for infrared face recognition. By introducing the Optimum-Path Forest classifier, our objective is to get good recognition rates and effectively reduce ...
Frontal sinus recognition for human identification
(Proceedings of SPIE - The International Society for Optical Engineering, 2008-12-01) [Trabalho apresentado em evento]
Many methods based on biometrics such as fingerprint, face, iris, and retina have been proposed for person identification. However, for deceased individuals, such biometric measurements are not available. In such cases, ...
Adaptative techniques for the human faces detection
(ICEIS 2004 - Proceedings of the Sixth International Conference on Enterprise Information Systems, 2004-11-23) [Trabalho apresentado em evento]
This paper presents results from an efficient approach to an automatic detection and extraction of human faces from images with any color, texture or objects in background, that consist in find isosceles triangles formed ...