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Browsing by Author "Singh, Ann"

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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
A high speed OCT system developed at the CSIR National Laser Centre (paper)

Author: Sharma, Ameeth ; Singh, Ann ; Roberts, Ted ; Ramokolo, Lesiba R ; Strauss, Hencharl J Date: Jul 2016 Light-based techniques continue to gain momentum in different spheres of diagnostic and therapeutic applications due to their non-invasive, non-contact properties. One such technique is Optical Coherence tomography (OCT). Since first being ... Read more
Novelty detection-based internal fingerprint segmentation in optical coherence tomography images

Author: Khutlang, Rethabile ; Machaka, Pheeha ; Singh, Ann ; Nelwamondo, Fulufhelo V Date: Aug 2017 Biometric fingerprint scanners scan the external skin's features onto a 2-D image. The performance of the automatic fingerprint identification system suffers first and foremost if the finger skin is wet, worn out or a fake fingerprint is used. ... Read more
Performance analysis of a hybrid fingerprint extracted from optical coherence tomography fingertip scans

Author: Darlow, Luke N ; Connan, J ; Singh, Ann Date: Jun 2016 The Hybrid fingerprint is a local-quality-specific blend of the surface and internal fingerprints, extracted from optical coherence tomography scans. Owing to its origin, and the manner in which it is obtained, the Hybrid fingerprint is a ... Read more

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Browsing by Author "Singh, Ann"

Browsing by Author "Singh, Ann"

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