{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["9"],"submitter":["Shen T"],"pubmed_abstract":["Fingerprint orientation field (OF) estimation is important for basic fingerprint image processing and impacts the accuracy of fingerprint image enhancements, such as Gabor filters. In this article, we introduce an OF estimation algorithm based on differential values of grayscale intensity and examine the accuracy and reliability of the proposed algorithm by applying it to fingerprint images processed using Gaussian blurring and the Gaussian white noise process. The experimental results indicate that the OF estimation reliability of the proposed algorithm is higher than the gradient-based method and the power spectral density (PSD) based method in low quality fingerprints. The proposed algorithm is especially useful in noisy fingerprint images, where the OF estimation reliability of the alg"],"journal":["PeerJ. Computer science"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC10280552"],"repository":["biostudies-literature"],"pubmed_title":["An effective fingerprint orientation field estimation method using differential values of grayscale intensity"],"pmcid":["PMC10280552"],"pubmed_authors":["Chu C","Lu Y","Shen T","Shen C","Hsu M","Wu W"],"additional_accession":[]},"is_claimable":false,"name":"An effective fingerprint orientation field estimation method using differential values of grayscale intensity","description":"Fingerprint orientation field (OF) estimation is important for basic fingerprint image processing and impacts the accuracy of fingerprint image enhancements, such as Gabor filters. In this article, we introduce an OF estimation algorithm based on differential values of grayscale intensity and examine the accuracy and reliability of the proposed algorithm by applying it to fingerprint images processed using Gaussian blurring and the Gaussian white noise process. The experimental results indicate that the OF estimation reliability of the proposed algorithm is higher than the gradient-based method and the power spectral density (PSD) based method in low quality fingerprints. The proposed algorithm is especially useful in noisy fingerprint images, where the OF estimation reliability of the alg","dates":{"release":"2023-01-01T00:00:00Z","publication":"2023 Jan","modification":"2025-04-05T13:54:23.233Z","creation":"2025-02-19T04:30:59.591Z"},"accession":"S-EPMC10280552","cross_references":{}}