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LEA Blue: Contactless fingerprint capture by smartphone camera

Forensic-grade prints. Every officer. Every street.

Ten-print capture on the smartphone already in the officer's hand. No extra hardware. No delay.

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LEA Blue: How it works

From fingertip to match.

For illustration purposes only

  1. 00 · Subject

    One finger, followed to a match.

    One person's right index finger, from a phone photo to the record on file.

    The hand and finger shown are an illustration. From step 02 on, the prints and figures are real, from a phone photo of a real right index finger.
  2. 01 · Capture

    A photo, not a scanner.

    Rear camera of a standard phone. The finger never touches glass, ink or a sensor.

    Finger shown: an illustration.
  3. 02 · Enhance

    Ridges pulled out of the photo.

    The finger is isolated from the background and its ridge pattern enhanced by Blue's server-side engine.

  4. 03 · Extract

    78 minutiae found.

    Ridge endings (○) and bifurcations (□) with direction: the same points your examiners mark.

  5. 04 · Standard

    Ten fingers, card-ready.

    500 ppi prints in greyscale or binarised, ready for the AFIS you already run.

  6. 05 · Match

    Compared to the record on file.

    57 minutiae pair up between the phone capture and the record on file (contact scanner, Sep 2026).

  7. 06 · Result

    Score 320.5. A match.

NIST SP 500-339 qualified · Android and iOS · Compatible with existing AFIS

LEA Blue: Standards

NIST qualification is the threshold. LEA Blue is built to lead beyond it.

Meeting SP 500-339 earns a place on the list. In the field, what counts is a forensic-grade print with an operational policing-grade UX.

  • Forensic-grade image quality
  • Easy-to-use, ultra-reliable capture
  • Match on the AFIS you already run
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LEA Blue: Operational policing

Wherever identity is in question.

From the first field contact, through arrest and field processing, to the crime scene, LEA Blue puts ten-print capture in every officer's hand.

For illustration purposes only

Sally Blue AI: Biometric binding and attack detection

Identity verified from face to fingertip.

The same capture technology can now prove who is enrolling: at the border, in the field, or in advance from home.

For illustration purposes only

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About Blue Biometrics

Founded by a former police officer. Built for operational policing.

Blue Biometrics was founded in 2017 by Kenneth King, a former third-generation police officer. The leadership team has deep law enforcement experience across Australia, the United Kingdom and the United States.

Our mission is to put fingerprint identification in every officer's hand. That is why Kenneth helped pioneer contactless fingerprint technology for law enforcement.

Australia · United Kingdom · United States

“Every officer needs rapid field biometrics to improve operational safety, identify more offenders and process them more efficiently.”

Kenneth King MBACEO & Co-Founder

Law enforcement · Border · Defence · Intelligence

Request a confidential briefing.

Detailed technical and operational briefings and live demonstrations are available to qualified agencies.

United Kingdom

Blue Biometrics Limited · Company number 14819566

Business Cyber Centre, Unit 7 Greenways Business Park

Chippenham SN15 1BN

United States

Blue Biometrics Inc

Delaware, United States of America

Australia

Blue Biometrics Pty Ltd · ABN 66 621 736 249

Queensland, Australia

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