A Modified Fingerprint Image Thinning Algorithm

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Provided by: Science Publishing Group
Topic: Security
Format: PDF
Most fingerprint recognition applications rely heavily on efficient and fast image enhancement algorithms. Image thinning is a very important stage of image enhancement. A good thinning algorithm preserves the structure of the original fingerprint image, reduces the amount of data needed to process and helps improve the feature extraction accuracy and efficiency. In this paper, the authors describe and compare some of the most used fingerprint thinning algorithms. Results show that faster algorithms have difficulty preserving connectivity.
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