Subset Image Extraction and Comparison to Identify Different Fingerprints
This study uses the moment invariant technique to locate the orientation of an object. A bifurcation-extraction algorithm is used to extract the bifurcated images of fingerprints. All the subset images of these bifurcations are explored, extracted and subsequently compared to other subset images extracted from other bifurcations to discover the best match for identifying the fingerprint images. An image database is established and used to classify the bifurcations. The following techniques are used to recognize the fingerprint images: bifurcation-point automatic detection, image automatic orientation detection, subset image extraction and image database establishment, as well as image rotation and subtraction, and sub-pattern image convolution. The algorithm developed in this study can precisely classify the bifurcated images.
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Document Type: Research Article
Publication date: 01 June 2008
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