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Unconstrained and Contactless Hand Geometry Biometrics
Open AccessArticle

Gaussian Multiscale Aggregation Applied to Segmentation in Hand Biometrics

Group of Biometrics, Biosignals and Security, Universidad Politécnica de Madrid, Campus de Montegancedo s/n, 28223 Pozuelo de Alarcón, Madrid, Spain
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Sensors 2011, 11(12), 11141-11156; https://doi.org/10.3390/s111211141
Received: 14 October 2011 / Revised: 7 November 2011 / Accepted: 22 November 2011 / Published: 28 November 2011
(This article belongs to the Special Issue Hand-Based Biometrics Sensors and Systems)
This paper presents an image segmentation algorithm based on Gaussian multiscale aggregation oriented to hand biometric applications. The method is able to isolate the hand from a wide variety of background textures such as carpets, fabric, glass, grass, soil or stones. The evaluation was carried out by using a publicly available synthetic database with 408,000 hand images in different backgrounds, comparing the performance in terms of accuracy and computational cost to two competitive segmentation methods existing in literature, namely Lossy Data Compression (LDC) and Normalized Cuts (NCuts). The results highlight that the proposed method outperforms current competitive segmentation methods with regard to computational cost, time performance, accuracy and memory usage. View Full-Text
Keywords: hand biometrics; multiscale aggregation; image segmentation; image processing; biometrics; security hand biometrics; multiscale aggregation; image segmentation; image processing; biometrics; security
MDPI and ACS Style

Sierra, A.S.; Ávila, C.S.; Casanova, J.G.; Pozo, G.B. Gaussian Multiscale Aggregation Applied to Segmentation in Hand Biometrics. Sensors 2011, 11, 11141-11156.

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