Multispectral imaging biometrics
View Patent ↗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.
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.