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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Složení snímku prstu s viditelným krevním řečištěm.
 Pekárek, Jakub ; Semerád, Lukáš (referee) ; Rydlo, Štěpán (advisor)
This thesis describes a method for creating a composite image with a visible bloodstream. The bloodstream is detected by the Maximum Curvature algorithm. After that it was experimented with detecting and matching keypoints via algorithms SIFT and ORB. However, the resulting matches from these algoritms were not good enough, therefore the keypoints have to be manually assigned. From these keypoints, an estimated tranformation matrix was created. This matrix was then used for connecting two images. A cycle of assigning keypoints and connecting images is repeated even for newly created images. The final composite image with a visible bloodstream is created after connecting last two images. This composite image can be further used for verification or identification people.
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Finger Vein Biometric System
 Bělehrádek, S.
The aim of this paper is hardware realization and testing of a simple system for biometric user authentication based on finger veins detection. Proposed biometric system is cheap and able to achieve matching accuracy (EER) of 8,96 % for a testing group of 12 people. Crosscorrelation of vein patterns is used for comparison of extracted features with templates. This approach gives interesting results.
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