نتایج جستجو برای: biometric study
تعداد نتایج: 3975701 فیلتر نتایج به سال:
Every colleges, offices, banks and industry are using biometric recognition system for authentication of employers. This biometric authentication system are use biometric templates or characteristics of employer and based on comparison of this template with enrolled data or template of employer for making decision about allowed enter into organization or not. So protection and recognition of hu...
Recently, biometric market is growing rapidly and biometric applications can be found in diverse areas such as border control, banking, ID-documents, access control, etc. However, usage of personal biometric information can harm privacy of users and raise problems of cross matching and identity theft. Privacy preserving techniques like template protection are an important supplement to biometri...
Biometric system that based on single biometric called uni-modal biometrics usually suffers from problems like imposter's attack or hacking, unacceptable error rate and low performance. So the need of using multimodal biometric system arises in such cases. The aim of this paper is to study the fusion at feature extraction level for face and fingerprint. The proposed system fuses the two tr...
This book describes how to use biometric features such as finger prints or iris patterns to construct private keys for cryptography. It is a very interesting topic, as, nowadays, cryptographic protocols can store/produce thousands of bits of secure information, while the user needs a password to make the exchange secure. The major weakness in a cryptographic protocols is the user himself. Biome...
Biometric bits extraction has emerged as an essential technique for the study of biometric template protection as well as biometric cryptosystems. In this paper, we present a non-invertible but revocable bits extraction technique by means of quantizing the facial data from two feature extractors in the phase domain, which we coin as aligned feature-level fusion phase quantization (AFPQ). In thi...
Recently, in the forensic biometric community, there is a growing interest to compute a metric called "likelihood-ratio" when a pair of biometric specimens is compared using a biometric recognition system. Generally, a biometric recognition system outputs a score and therefore a likelihood-ratio computation method is used to convert the score to a likelihood-ratio. The likelihood-ratio is the p...
Biometric recognition systems use measures from the body itself to determine the identity of an individual. The electrocardiogram (ECG) has been increasingly used as a biometric measure for person identification, as it is an easily measurable characteristic of all individuals. Our method for ECG acquisition follows an off-the-person approach, using a single ECG lead with non-gelled electrodes p...
This paper investigates the cause for the slow adoption of biometric authentication in the South African (SA) banking sector and constitutes exploratory research. Various definitions of biometrics are analysed to determine the common elements. Based on these elements, a new definition is proposed. This study is limited to the use of biometric technology within the financial services sector. Wit...
Performance of biometric authentication devices can be measured in a variety of ways. The most common way is by calculating the false accept and false reject rates, usually referred to as FAR and FRR, respectively. In this paper we present two methodologies for creating confidence intervals for matching error rates. The approach that we take is based on a general parametric model. Because we ut...
OBJECTIVE To compare the predictive accuracy of foetal trans-cerebellar diameter (TCD) with those of other biometric parameters in the estimation of gestational age (GA). DESIGN A cross-sectional study. SETTING The University of Benin Teaching Hospital, Nigeria. SUBJECTS Four hundred and fifty healthy singleton pregnant women, between 14-42 weeks gestation. MAIN OUTCOME MEASURES Trans-c...
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