Touchless fingerprint recognition represents a rapidly growing field of research which has
been studied for more than a decade. Through a touchless acquisition process, many issues …

Touchless biometrics, particularly touchless fingerprint recognition, have gained significant
attention in recent years, with the COVID-19 pandemic accelerating the need for clean and …

Compared with contact-based fingerprint acquisition techniques, contactless acquisition has
the advantages of less skin distortion, more complete fingerprint area, and hygienic …

With the advancements in technology, smartphones' capabilities have increased immensely.
For instance, the smartphone cameras are being used for face and ocular biometric-based …

Contactless fingerprint matching using smartphone cameras can alleviate major challenges
of traditional fingerprint systems including hygienic acquisition, portability and presentation …

Fingerphoto images captured using a smartphone are successfully used to verify the
individuals that have enabled several applications. This work presents a novel algorithm for …

Fingers contain various discriminative biometric traits, such as fingerprint, finger vein, finger
knuckle, finger shape, and so on, which are complementary in identity information. However …

This paper introduces a novel approach to a complete contactless biometric system that
takes a finger photo image as an input and performs various image processing techniques …

Billions of people share images from their daily lives on social media every day. However,
their biometric information (eg, fingerprints) could be easily stolen from these images. The …

Touchless technologies for fingerphoto recognition based on smartphones can be
considered selfie biometrics, in which a user captures images of his or her own biometric …