Analysis of the hand vein pattern for people recognition

R. Castro-Ortega; C. Toxqui-Quitl; G. Cristóbal; J. Victor Marcos; A. Padilla-Vivanco; R. Hurtado Pérez

doi:10.1117/12.2188817

22 September 2015 Analysis of the hand vein pattern for people recognition

R. Castro-Ortega, C. Toxqui-Quitl, G. Cristóbal, J. Victor Marcos, A. Padilla-Vivanco, R. Hurtado Pérez

Proceedings Volume 9599, Applications of Digital Image Processing XXXVIII; 95992Q (2015) https://doi.org/10.1117/12.2188817
Event: SPIE Optical Engineering + Applications, 2015, San Diego, California, United States

Abstract

The shape of the hand vascular pattern contains useful and unique features that can be used for identifying and authenticating people, with applications in access control, medicine and financial services. In this work, an optical system for the image acquisition of the hand vascular pattern is implemented. It consists of a CCD camera with sensitivity in the IR and a light source with emission in the 880 nm. The IR radiation interacts with the desoxyhemoglobin, hemoglobin and water present in the blood of the veins, making possible to see the vein pattern underneath skin. The segmentation of the Region Of Interest (ROI) is achieved using geometrical moments locating the centroid of an image. For enhancement of the vein pattern we use the technique of Histogram Equalization and Contrast Limited Adaptive Histogram Equalization (CLAHE). In order to remove unnecessary information such as body hair and skinfolds, a low pass filter is implemented. A method based on geometric moments is used to obtain the invariant descriptors of the input images. The classification task is achieved using Artificial Neural Networks (ANN) and K-Nearest Neighbors (K-nn) algorithms. Experimental results using our database show a percentage of correct classification, higher of 86.36% with ANN for 912 images of 38 people with 12 versions each one.

Citation Download Citation

R. Castro-Ortega, C. Toxqui-Quitl, G. Cristóbal, J. Victor Marcos, A. Padilla-Vivanco, and R. Hurtado Pérez "Analysis of the hand vein pattern for people recognition", Proc. SPIE 9599, Applications of Digital Image Processing XXXVIII, 95992Q (22 September 2015); https://doi.org/10.1117/12.2188817

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