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Gottschlich et al., 2009 - Google Patents

Robust orientation field estimation and extrapolation using semilocal line sensors

Gottschlich et al., 2009

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Document ID
15337390170467208574
Author
Gottschlich C
Mihailescu P
Munk A
Publication year
Publication venue
IEEE Transactions on Information Forensics and Security

External Links

Snippet

Orientation field (OF) estimation is a crucial preprocessing step in fingerprint image processing. In this paper, we present a novel method for OF estimation that uses traced ridge and valley lines. This approach provides robustness against disturbances caused, eg …
Continue reading at www.researchgate.net (PDF) (other versions)

Classifications

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    • G06K9/36—Image preprocessing, i.e. processing the image information without deciding about the identity of the image
    • G06K9/46—Extraction of features or characteristics of the image
    • G06K9/4604—Detecting partial patterns, e.g. edges or contours, or configurations, e.g. loops, corners, strokes, intersections
    • G06K9/4609—Detecting partial patterns, e.g. edges or contours, or configurations, e.g. loops, corners, strokes, intersections by matching or filtering
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