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Celebrating the Year of Light….. from medicine to security with Optical Coherence Tomography

Author: Singh, A ; Sharma, Ameeth ; Roberts, T ; Khutlang, Rethabile ; Ramokolo, Lesiba R ; Marome, N ; Webb, L ; Botha, N ; Karsten, A ; Strauss, Hencharl J Date: Oct 2015 This poster Celebrating the Year of Light….. from medicine to security with Optical Coherence Tomography was presented at the CSIR’s 5th Conference, 8-9 October 2015. Read more
CSIR National Laser Centre develops a high speed OCT system

Author: Sharma, Ameeth ; Singh, Ann ; Roberts, Ted ; Ramokolo, Lesiba R ; Van der Westhuizen, Corrie Date: Nov 2016 The optical coherence technique (OCT) technique, which was demonstrated by Fercher and Huang in the early 90s, has made significant strides in bio-medical diagnostic applications in the fields of dermatology, dentistry and ophthalmology. Other ... Read more
Damage invariant and high security acquisition of the internal fingerprint using optical coherence tomography

Author: Darlow, Luke N ; Singh, Ann ; Moolla, Yaseen ; Ramokolo, Lesiba R ; Van Wyk, R ; Botha, Natasha ; Webb-Ray, L Date: Nov 2016 Fingerprints are widely used for biometric authentication, identification, and access control. However, most current acquisition devices obtain fingerprints from the surface of the skin and are thus inherently restricted by the surface 2D ... Read more
Evaluating the change in fingerprint directional patterns under variation of rotation and number of regions

Author: Dorasamy, K ; Webb, L ; Tapamo, J Date: Sep 2015 Directional Patterns, which are formed by grouping regions of orientation fields falling within a specific range, vary under rotation and the number of regions. For fingerprint classification schemes, this can result in missclassification due ... Read more
Extended feature-fusion guidelines to improve image-based multi-modal biometrics

Author: Brown, Dane ; Bradshaw, K Date: Sep 2016 The feature-level, unlike the match score-level, lacks multi-modal fusion guidelines. This work demonstrates a practical approach for improved image-based biometric feature-fusion. The approach extracts and combines the face, fingerprint and ... Read more
Fingerprint prediction using classifier ensembles

Author: Molale, P ; Twala, B ; Seeletse, S Date: Nov 2011 In this study, the application of classifiers to problems in fingerprint prediction is investigated. Six supervised learning and two statistical fingerprint classification methods (classifiers) are considered: linear discriminant analysis ... Read more
Fingerprint re-alignment: a solution based on the true fingerprint center point

Author: Msiza, IS ; Leke-Betechuoh, B ; Malumedzha, T Date: Feb 2011 Fingerprint re-alignment is an important aspect in the subject of fingerprint biometrics because a fingerprint that has been rotated, voluntarily or involuntarily, can have negative impact on the functionality of an automated fingerprint ... Read more
An integrated approach to fingerprint indexing using spectral clustering based on minutiae points

Author: Mngenge, NA ; Mthembu, L ; Nelwamondo, Fulufhelo V ; Ngejane, Hombakazi C Date: Jul 2015 Fingerprint indexing is an efficient approach that improves matching performance significantly in Automated Fingerprint Recognition Systems (AFRSs). Fingerprints are currently the most highly reliable and widely biometrics trait for identification ... Read more
Internal fingerprint zone detection in optical coherence tomography fingertip scans

Author: Darlow, LN ; Connan, J ; Akhoury, SS Date: Apr 2015 Optical coherence tomography (OCT) is a high-resolution imaging technology capable of capturing a three-dimensional (3-D) representation of fingertip skin. The papillary junction—a junction layer of skin containing the same topographical ... Read more
A multi-biometric feature-fusion framework for improved uni-modal and multi-modal human identification

Author: Brown, K ; Bradshaw, K Date: May 2016 The lack of multi-biometric fusion guidelines at the feature-level are addressed in this work. A feature-fusion framework is geared toward improving human identification accuracy for both single and multiple biometrics. The foundation of the ... Read more
Novel fingerprint re-alignment solution that uses the TFCP as a reference

Author: Msiza, IS ; Malumedzha, TC ; Leke-Betechuoh, B Date: Aug 2011 Fingerprint re-alignment is an important aspect in the subject of fingerprint biometrics because a fingerprint recognition system that does not attempt to re-align an involuntarily rotated fingerprint can create opportunities for falsely ... Read more
A review of wavelet transform based techniques for denoising latent fingerprint images

Author: Mgaga, Sboniso S ; Khanyile, Nontokozo P ; Tapamo, J Date: Oct 2019 Authentication systems robustness can be affected by the fingerprint image quality. Fingerprint image denoising is essential for better performance of any authentication system. In this paper, most recent wavelet transform based techniques ... Read more
Similarity score computation for minutiae-based fingerprint recognition

Author: Khanyile, NP ; De Kock, A ; Mathekga, Mmamolatelo E Date: Sep 2014 This paper identifies and analyses the factors that contribute to the similarity between two sets of minutiae points as well as the probability that two sets of minutiae points were extracted from fingerprints of the same finger. Minutiae-based ... Read more
A study of Hough Transform-based fingerprint alignment algorithms

Author: Mlambo, CS ; Mathekga, Mmamolatelo E ; Nelwamondo, Fulufhelo V Date: Oct 2014 This paper classifies existing Hough Transform fingerprint alignment algorithms and compares their performance to determine the one that gives optimal alignment results (translation and rotation). The classification is performed by considering ... Read more

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Browsing by Subject "Fingerprints"

Browsing by Subject "Fingerprints"

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