A chaincode based scheme for fingerprint feature extraction
نویسندگان
چکیده
A feature extraction method using the chaincode representation of fingerprint ridge contours is presented. The representation allows efficient image quality enhancement and detection of fine minutiae feature points. The direction field is estimated from a set of selected chaincodes. The original gray-scale image is enhanced using a dynamic filtering scheme that takes advantage of the estimated direction flow of the contours. Minutiae are generated using ridge contour following. 2005 Elsevier B.V. All rights reserved.
منابع مشابه
Feature Extraction Using a Chaincoded Contour Representation of Fingerprint Images
A feature extraction method using the chaincode representation of fingerprint ridge contours is presented for use by Automatic Fingerprint Identification Systems. The representation allows efficient image quality enhancement and detection of fine feature points called minutiae. Enhancement is accomplished by binarization and smoothing followed by estimation of the ridge contours field of flow. ...
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عنوان ژورنال:
- Pattern Recognition Letters
دوره 27 شماره
صفحات -
تاریخ انتشار 2006