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Robust Orientation Field Estimation and Extrapolation Using Semilocal Line Sensors
2009
IEEE Transactions on Information Forensics and Security
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The performance of the line-sensor method is compared with the gradients based method and a multiscale directional operator. ...
It considers pieces of flow information from a larger region and makes good use of fingerprint inherent properties like continuity of ridge flow perpendicular to the flow. ...
Carsten Gottschlich and Axel Munk gratefully acknowledge support from the DFG research training school 1023 "Identification in Mathematical Models: Synergy of Stochastic and Numerical Methods", and DFG ...
doi:10.1109/tifs.2009.2033219
fatcat:kiotunyocvhavgtgyryasrekke
Fingerprint Verification based on Gabor Filter Enhancement
[article]
2009
arXiv
pre-print
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A global feature extraction and fingerprints enhancement are based on Hong enhancement method which is simultaneously able to extract local ridge orientation and ridge frequency. ...
Human fingerprints are reliable characteristics for personnel identification as it is unique and persistence. A fingerprint pattern consists of ridges, valleys and minutiae. ...
Multiscale directional information estimation is based on orientation field estimation. F. A. Afsar et. al., [13] presented the minutiae based Automatic Fingerprint Identification Systems. ...
arXiv:0912.0950v1
fatcat:v2sy3r7n3bdh5a7jltl3fypwpm
Experiment and Analysis Services in a Fingerprint Digital Library for Collaborative Research
[chapter]
2011
Lecture Notes in Computer Science
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These services are provided based on our framework for composing a set of services and a fingerprint image collection. ...
We present a model and prototype system capable of testing and analyzing fingerprinting algorithms in terms of identification performance based on matches of a known image to partial images, distortions ...
We are grateful for NIJ (Award No. 2009-Dn-BX-K229), CAPES (BEX 1385/10-0), and BAE Systems support. ...
doi:10.1007/978-3-642-24469-8_20
fatcat:3uvyzkyzsbc2hhs6mw3ghvsyri
Biology and bioinspiration of soft robotics: Actuation, sensing, and system integration
2021
iScience
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The understanding of biological structures and functions guide the construction of soft robotics with unprecedented performances. ...
The development trends of bioinspired soft robotics toward closed loop and embodiment are proposed. ...
Based on the extraordinary sensing ability of fingerprint for the perception of subtle textures, many research studies have been conducted to amplify tactile information (Chen et al., 2018a; Chortos et ...
doi:10.1016/j.isci.2021.103075
pmid:34568796
pmcid:PMC8449090
fatcat:4darud5p5nainos6zggpqrg35a
Energy and wavelength scaling of shock-ignited inertial fusion targets
2013
New Journal of Physics
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From density functional calculations we find that the low-T magnetic phase is paraelectric and the intermediate magnetic phase ferroelectric, with a size and direction of polarization in good agreement ...
We disucss how this kind of multiferrolectricity can be manipulated by imputrities and light pulses and show estimates of the effect in CuO. ...
Finally, the implications of these results and their potential applications for graphene based devices will be discussed. ...
doi:10.1088/1367-2630/15/4/045004
fatcat:c4lh6z3uavbktgx4didzjqxoiy
Biodiversity and Landscapes: Where is the missing link?
2015
unpublished
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Moreover, I focus on other related topics that are dealing with direct and indirect effects of climate change such as a study targeting Emerald Ash Borer invasion risk in Central Europe in the course of ...
range dynamics of a threatened endemic Caryophyllaceae species; and a comparative analysis on predicted distribution patterns of various plant and insect species between Central European lowlands and ...
Acknowledgments We are grateful to Richard Büchsenmeister, Franz Starlinger and Wolfgang Willner for information on the distribution of Fraxinus excelsior. ...
doi:10.25365/thesis.41209
fatcat:vpl5677x7zfxfjrwlncnjj3rqq