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Robust and adaptive algorithm for hyperspectral palmprint region of interest extraction
Zhao,Shuping; Zhang,Bob
2019-11-01
Source PublicationIET Biometrics
ISSN2047-4938
Volume8Issue:6Pages:391-400
Abstract

Recently, hyperspectral imaging has attracted more and more considerable research attention because of its discriminative information. This study proposes a robust approach to adaptively extract the hyperspectral palmprint region of interest (ROI) captured by a hyperspectral palmprint acquisition device, which is considered one of the most important stages in palmprint recognition. For different spectral wavelengths, the image has different illuminations and unbalanced shadows. In particular, mean grey values of palm images in different bands have large variations, such that binarisation of the palm image can be considered a challenging task to accurately separate the contour of the palm from the original image. To solve these problems, this study proposes an adaptive ROI segmentation algorithm, whereby a support vector machine-based method is used to detect the palm from the image and a coordinate established to ensure the accuracy of the ROI. The proposed method has been tested on a hyperspectral palm data set which covers spectrums from 530–1030 nm with 20 nm intervals. The experimental results showed that the proposed algorithm is effective and efficient at locating the ROI in hyperspectral palmprint images, where local binary pattern features were extracted from the ROIs achieving an equal error rate (EER) of 1.49% and an accuracy of 99.51% in recognition.

DOI10.1049/iet-bmt.2018.5051
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaComputer Science
WOS SubjectComputer Science, Artificial Intelligence
WOS IDWOS:000497486500004
PublisherWILEY111 RIVER ST, HOBOKEN 07030-5774, NJ
Scopus ID2-s2.0-85075130604
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Citation statistics
Document TypeJournal article
CollectionFaculty of Science and Technology
DEPARTMENT OF COMPUTER AND INFORMATION SCIENCE
Corresponding AuthorZhang,Bob
AffiliationDepartment of Computer and Information Science,University of Macau,Taipa, Macau,Macao
First Author AffilicationUniversity of Macau
Corresponding Author AffilicationUniversity of Macau
Recommended Citation
GB/T 7714
Zhao,Shuping,Zhang,Bob. Robust and adaptive algorithm for hyperspectral palmprint region of interest extraction[J]. IET Biometrics, 2019, 8(6), 391-400.
APA Zhao,Shuping., & Zhang,Bob (2019). Robust and adaptive algorithm for hyperspectral palmprint region of interest extraction. IET Biometrics, 8(6), 391-400.
MLA Zhao,Shuping,et al."Robust and adaptive algorithm for hyperspectral palmprint region of interest extraction".IET Biometrics 8.6(2019):391-400.
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