Looking into the effects of minutia quality on matching sub-templates

Modern automated fingerprint identification systems use minutia templates for matching, during which the coordinates and orientations of minutiae obtained through feature extraction are utilized to generate a score. The feature extraction stage also assigns each minutia a quality score to indicate t...

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Published in2015 Long Island Systems, Applications and Technology pp. 1 - 7
Main Author Qinghai Gao
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.05.2015
Subjects
Biomedical imaging
Computed tomography
Feature extraction
fingerprint
Fingerprint recognition
Image matching
Image quality
matching
minutia quality
random selection
sub-template
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Abstract Modern automated fingerprint identification systems use minutia templates for matching, during which the coordinates and orientations of minutiae obtained through feature extraction are utilized to generate a score. The feature extraction stage also assigns each minutia a quality score to indicate the image quality at the position of the minutia. Even though the quality score of a minutia is not used in matching, it can affect the matching score significantly. In this paper, we investigate the effects of minutia quality on matching a template against its sub-templates. Specifically, we study the effects of minutia quality on constructing sub-templates and the effects of randomized quality modifications on matching. Experimental results are reported.
AbstractList Modern automated fingerprint identification systems use minutia templates for matching, during which the coordinates and orientations of minutiae obtained through feature extraction are utilized to generate a score. The feature extraction stage also assigns each minutia a quality score to indicate the image quality at the position of the minutia. Even though the quality score of a minutia is not used in matching, it can affect the matching score significantly. In this paper, we investigate the effects of minutia quality on matching a template against its sub-templates. Specifically, we study the effects of minutia quality on constructing sub-templates and the effects of randomized quality modifications on matching. Experimental results are reported.
Author Qinghai Gao
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Snippet Modern automated fingerprint identification systems use minutia templates for matching, during which the coordinates and orientations of minutiae obtained...
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SubjectTerms Biomedical imaging
Computed tomography
Feature extraction
fingerprint
Fingerprint recognition
Image matching
Image quality
matching
minutia quality
random selection
sub-template
Title Looking into the effects of minutia quality on matching sub-templates
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