2006
DOI: 10.1109/tifs.2006.879289
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Fake Finger Detection by Skin Distortion Analysis

Abstract: Abstract-Attacking fingerprint-based biometric systems by presenting fake fingers at the sensor could be a serious threat for unattended applications. This work introduces a new approach for discriminating fake fingers from real ones, based on the analysis of skin distortion. The user is required to move the finger while pressing it against the scanner surface, thus deliberately exaggerating the skin distortion. Novel techniques for extracting, encoding and comparing skin distortion information are formally de… Show more

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Cited by 209 publications
(109 citation statements)
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References 20 publications
(46 reference statements)
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“…Knowing the weights of the training images and a new test face image, a nearest neighbour approach determines the identity of the face. [9] can be viewed as a generalization of PCA [5]. While PCA de-correlates the input data using secondorder statistics and thereby generates compressed data with minimum mean-squared re-projection error, ICA minimizes both second-order and higher-order dependencies in the input.…”
Section: Principal Component Analysis (Pca) -mentioning
confidence: 99%
“…Knowing the weights of the training images and a new test face image, a nearest neighbour approach determines the identity of the face. [9] can be viewed as a generalization of PCA [5]. While PCA de-correlates the input data using secondorder statistics and thereby generates compressed data with minimum mean-squared re-projection error, ICA minimizes both second-order and higher-order dependencies in the input.…”
Section: Principal Component Analysis (Pca) -mentioning
confidence: 99%
“…In the hardware approach a specific device is added to the sensor in order to detect particular properties of a living trait such as the blood pressure [6], skin distortion [7], or the odor [8]. In the software approach, which is used in this work, fake traits are detected once the sample has been acquired with a standard sensor.…”
Section: Introductionmentioning
confidence: 99%
“…It also does not require the use of expensive hardware as in [12] and has no implication on the privacy of the user as it does not reveal the medical condition of the person. In addition, it also does not require careful interaction of the user with the scanner as in [6] and thus can be readily deployed for mass users without prior user training.…”
Section: Resultsmentioning
confidence: 99%
“…3. Analysis of dynamic properties of the finger: analyzes the properties such as pulse oximetry, blood pulsation, perspiration, skin elasticity and distortion [6]. The former two approaches can only detect a dead or an entire fake finger but cannot differentiate false layer attached to the finger.…”
Section: Introductionmentioning
confidence: 99%