نتایج جستجو برای: biometric parameters

تعداد نتایج: 587032  

2012
Alexander A. Chukhlantsev Anatolij M. Shutko Sergei P. Golovachev

An analytical overview of research involving EM waves attenuation by vegetation canopies in the frequency range 100...10000 MHz is given. Brief descriptions of objects of investigation and typical biometric features are presented. The models of vegetation as a continuous medium and as a collection of scatterers are considered. Dielectric properties of vegetative material are discussed. The rela...

Journal: :acta medica iranica 0
farrokh seilanian toosi department of radiology, quaem hospital, mashhad university of medical sciences, mashhad, iran. hossein rezaie-delui department of radiology, quaem hospital, mashhad university of medical sciences, mashhad, iran.

a true estimation of gestational age (ga) plays an important role in quality maternity care and scheduling the labor date. this study aimed to evaluate the normal fetal kidney length (kl) and its correlation with ga. a cross-sectional study on 92 pregnant women between 8th and 10th week of gestation with normal singleton pregnancy underwent standard ultrasound fetal biometry and kidney length m...

Journal: :Signal Processing 2003
Rodrigo de Luis García Carlos Alberola-López Otman Aghzout Juan Ruiz-Alzola

In this paper, we provide an overview of the fundamentals of biometric identi cation, together with a description of the main biometric technologies currently in use, all of them within a common reference framework. A comparison on di8erent qualitative parameters of these technologies is also given, so that the reader may have a clear perspective of advantages and disadvantages of each. A secti...

2014
Minakshi Gogoi M. H. Alrefaei K. Veeramachaneni L. A. Osadciw

An appropriate combination of multiple biometric sensors increases the reliability of verification through biometrics. In this paper we propose an effective method of fusion of biometrics based on a dynamic selection of threshold point of fingerprint and iris biometrics towards identifier of an optimal set of rules for fusion. The effectiveness of the method has been established using several b...

2016
Dan Huang Xuejuan Chen Qi Gong Chaoqun Yuan Hui Ding Jing Bai Hui Zhu Zhujun Fu Rongbin Yu Hu Liu

This survey was conducted to determine the testability, distribution and associations of ocular biometric parameters in Chinese preschool children. Ocular biometric examinations, including the axial length (AL) and corneal radius of curvature (CR), were conducted on 1,688 3-year-old subjects by using an IOLMaster in August 2015. Anthropometric parameters, including height and weight, were measu...

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