Capacitive micromachined ultrasonic transducer (CMUT) was introduced as an alternative to
the piezoelectric thick-film-based transducers in medical imaging applications. Gradually …

Biometric recognition systems are finding applications in more and more civilian fields
because they proved to be reliable and accurate. Among the other technologies, ultrasound …

Contactless 3D fingerprint identification has gained significant attentions in recent years as it
can offer more hygienic, accurate and ubiquitous personal identification. Despite such …

Multimodal biometric systems are often used in a wide variety of applications where high
security is required. Such systems show several merits in terms of universality and …

Emerging 3D fingerprint recognition technologies have attracted growing attention in
addressing the limitations from contact-based fingerprint acquisition and improve …

Fingerprint imaging using ultrasound has been investigated for several years and has
shown to be a valid alternative to optical scanners. Capacitive micro-machined ultrasound …

In this work, a new method for extracting palm vein pattern is proposed. The procedure uses
as input the 3D ultrasound images of a portion of the hand volume acquired with a fast and …

In recent years, several palmprint recognition procedures that use 3-D information on the
palm surface have been proposed in order to overcome some limitations of 2-D palmprint …

Biometric recognition systems based on ultrasonic images have several advantages over
other technologies, including the capability of capturing 3D images and detecting liveness …

In this work, an ultrasound technique for achieving 3D palm vein patterns for biometric
recognition purposes is proposed and experimentally tested. Commercial ultrasound …