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Gonzalez-Sosa E.,Avenida Francisco Tomas y Valiente 11 | Vera-Rodriguez R.,Avenida Francisco Tomas y Valiente 11 | Fierrez J.,Avenida Francisco Tomas y Valiente 11 | Moreno-Moreno M.,Avenida Francisco Tomas y Valiente 11 | Ortega-Garcia J.,Avenida Francisco Tomas y Valiente 11
Eurasip Journal on Image and Video Processing | Year: 2015

The use of millimetre wave images has been proposed recently in the biometric field to overcome certain limitations when using images acquired at visible frequencies. Furthermore, the security community has started using millimetre wave screening scanners in order to detect concealed objects. We believe we can exploit the use of these devices by incorporating biometric functionalities. This paper proposes a biometric recognition system based on the information of the silhouette of the human body, which may be seen as a type of soft biometric trait. To this aim, we report experimental results on the BIOGIGA database with four feature extraction approaches (contour coordinates, shape contexts, Fourier descriptors and landmarks) and three classification methods (Euclidean distance, dynamic time warping and support vector machines). The best configuration of 1.33 % EER is achieved when using contour coordinates with dynamic time warping. © 2015, Gonzalez-Sosa et al. Source

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