Multispectral imaging biometrics

• US 7,835,554 B2
• Filed: 10/29/2008
• Issued: 11/16/2010
• Est. Priority Date: 06/01/2004
• Status: Expired due to Fees

• Current Assignee: HID Global Corporation (Assa Abloy AB)
• Original Assignee: Lumidigm Incorporated (Assa Abloy AB)
• Inventors: Rowe, Robert K.
• Primary Examiner(s): Strege; John B
• Application Number:
  US12/290,277
• Publication Number:
  US 20090148005A1
• Time in Patent Office: 748 Days
• Field of Search: 382/124, 340/5.53, 340/5.83
• US Class Current: 382/124
• CPC Class Codes: G06V 10/143 Sensing or illuminating at different wavelengths
• CPC Class Codes: G06V 40/1324 by using geometrical optics, e.g. using prisms G06V40/1312 takes precedence
• CPC Class Codes: G06V 40/1394 using acquisition arrangements

Abstract

Methods and systems are provided for performing a biometric measurement on an individual. A purported skin site of the individual is illuminated under a plurality of distinct optical conditions during a single illumination session. Light scattered beneath a surface of the purported skin site is received separately for each of the plurality of distinct optical conditions. A multispectral image of the purported skin site is derived from the received light. A biometric function is performed with the derived multispectral image.

Claims

1. A portable electronic device comprising:

an illumination source configured to illuminate a target area with a plurality of distinct optical conditions during a single illumination session;

an imager configured to receive light scattered from the target area; and

a controller coupled with the illumination source and the imager, the controller configured to operate the illumination source and the imager in at least a first state and a second state, the first state comprising;

instructions to illuminate a purported skin site of an individual with the illumination source when placed within the target area;

instructions to receive light scattered from the purported skin site of the individual;

instructions to produce a multispectral image of the purported skin site; and

instructions to make a biometric measurement of the purported skin site from the multispectral image;

the second state comprising;

instructions to illuminate an object placed within the target area using the illumination source;

instructions to receive light scattered from the object; and

instructions to produce an image of the object.

2. The portable electronic device according to claim 1, wherein the object comprises a barcode, and the second state further comprises instructions to associate a product or service with the barcode.

3. The portable electronic device according to claim 1, wherein the object is a barcode and the controller includes instructions to associate the image of the barcode with the biometric measurement of the purported skin site.

4. The portable electronic device according to claim 3, wherein the biometric measurement includes an identification function.

5. The portable electronic device according to claim 1, wherein the object is printed text and the second state further comprises instructions to convert the printed text into an interpretable form using optical character recognition techniques.