Ericson says this could improve throughput when used for access control and could eliminate potential contamination from previous users. With contactless technology, the potential exists for higher quality images produced at a faster rate of speed with less supervision. All of these factors can create problems.” If your fingers are very dry, or very worn from years of manual labor, that can also change the image. Also, the amount of force an individual uses to press down can change a fingerprint, as can residual oils from another person’s finger. “With traditional scanners, officers require special training to accurately collect prints, and if you compare prints taken by two different operators, there might be inconsistencies due to differences in their techniques. “One of the main benefits is you capture the fingerprint without anything touching the finger, so it’s in a natural state,” says Lars Ericson, SSBT CoE director. This report will be posted later in 2013 on JUSTNET, the website of the National Law Enforcement and Corrections Technology Center (NLECTC) System, which includes the SSBT CoE. This research showed that the majority of currently available commercial contactless scanners are intended to provide secure employee access to facilities and are not set up to work with automated fingerprint identification systems (AFIS) it would take additional product development and research and development (R&D) investment to add that capability. The report provided a detailed summary of what these technologies could do.
The CoE performed a summary assessment of existing contactless fingerprint technologies, including both commercial products and prototypes funded by federal research. The National Institute of Justice (NIJ) Sensor, Surveillance and Biometric Technologies Center of Excellence (SSBT CoE) recently finished a research and evaluation project of the next generation in fingerprint technology: devices that scan digital fingerprint images without individuals needing to press their fingers against a screen, and that do not require trained operators to collect the images. Sound futuristic? Well, it actually is, but within the next few years, it might not be. An inmate holds his finger in a portal to authorize a purchase at a correctional commissary. A visitor passes her hand over a flat scanner without breaking stride to gain access to a secure courthouse. A suspect holds his palms next to his face during a police booking and has his fingerprints captured alongside his mugshot.
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