Photoacoustic tomography of fingerprint and underlying vasculature for improved biometric identification

Abstract Capitalizing on the photoacoustic effect, we developed a new fingerprint sensing system that can reveal both fingerprints and underlying vascular structures at a high spatial resolution. Our system is built on a 15 MHz linear transducer array, a research ultrasound system, and a 532-nm puls...

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Autores principales: Wenhan Zheng, Diana Lee, Jun Xia
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2021
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Acceso en línea:https://doaj.org/article/0e338b58d8424bccbbc8fce02681adae
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