SPECTRAL SIGNATURE ASSISTED FINGER ASSOCIATED USER APPLICATION

• US 20180181791A1
• Filed: 12/28/2016
• Published: 06/28/2018
• Est. Priority Date: 12/28/2016
• Status: Abandoned Application

• Current Assignee: Intel Corporation
• Original Assignee: Intel Corporation
• Inventors: Kursula, Mikko
• Application Number:
  US15/393,128
• Publication Number:
  US 20180181791A1
• Time in Patent Office: Days
• CPC Class Codes: G06V 40/1318 using electro-optical elements or layers, e.g. electroluminescent sensing
• CPC Class Codes: G06V 40/1341 Sensing with light passing through the finger
• CPC Class Codes: G06V 40/1382 Detecting the live character of the finger, i.e. distinguishing from a fake or cadaver finger

Abstract

Apparatuses, methods and storage media associated with spectral signature assisted finger associated user applications are disclosed herein. In embodiments, an apparatus may comprise a light source to illuminate a potential finger with light that covers a plurality of wavelengths; and a sensor to capture a spectral signature of the potential finger. The spectral signature may span at least two of the plurality of wavelengths, and may be used to determine whether the potential finger is a human finger. Additionally, in embodiments, other finger data associated with the potential finger may be captured and used for finger associated user application, on determination that the potential finger is a human finger. Other embodiments may be disclosed or claimed.

Claims

1. An apparatus for performing a finger associated user application, comprising:

a light source to illuminate a potential finger with light that covers a plurality of wavelengths; and

a sensor to capture a spectral signature of the potential finger;

wherein the spectral signature spans at least two of the plurality of wavelengths, and is used to determine whether the potential finger is a human finger, and performance of the finger associated user application is conditioned on a determination that the potential finger is a human finger.

2. The apparatus of claim 1, wherein the plurality of wavelengths span an entire electromagnetic spectrum from infrared to near-ultraviolet;

the sensor is a hyperspectral sensor; and

the spectral signature is a hyperspectral signature.

3. The apparatus of claim 1, wherein the sensor comprises one or more sensing elements, with each sensing elements to sensing light of a particular wavelength.

4. The apparatus of claim 1, wherein the sensor includes an adjustable wavelength narrow band optical filter.

5. The apparatus of claim 1, wherein the sensor is a first sensor, and the apparatus further comprising a second plurality of sensors to capture other finger associated data from the potential finger for the finger associated user application.

6. The apparatus of claim 5, wherein the second plurality of sensors are arranged in an array configuration on a plane;

the apparatus further comprises a glass surface on top of the array of second plurality of sensors; and

the light source and the first sensor are disposed at an edge of the glass surface and the array of second plurality of sensors.

7. The apparatus of claim 5, wherein the second plurality of sensors are arranged in an array configuration on a plane;

the apparatus further comprises a glass surface on top of the array of second plurality of sensors; and

the light source and the first sensor are disposed at a center of the array of second plurality of sensors, underneath the glass surface.

8. The apparatus of claim 1, wherein the sensor is a camera, and the camera is to capture one or more images of the potential finger to provide the spectral signature as well as finger associated data of the potential finger for the finger associated user application.

9. The apparatus of claim 8 further comprising a glass surface and a mirror that defines an angular opening, wherein the light source and the camera are proximately disposed at a mouth of the angular opening.

10. The apparatus of claim 1, further comprising an analyzer to analyze the spectral signature to determine whether the potential finger is a human finger.

11. The apparatus of claim 10, wherein the analyzer is to analyze the spectral signature to determine whether the potential finger is a human finger by comparison of the spectral signature with a plurality of spectral signatures of a plurality of materials.

12. The apparatus of claim 10, wherein the finger associated user application comprises fingerprint based user authentication, and the analyzer is to further analyze fingerprint data associated with the potential finger, on determination that the potential finger is a human finger.

13. The apparatus of claim 10, wherein the finger associated user application comprises a selected one of pulse oximetry measurement or blood glucose level measurement, and the analyzer is to further analyze pulse oximetry or blood glucose level data associated with the potential finger, on determination that the potential finger is a human finger.

14. A method for performing a finger associated user application, comprising:

illuminating a potential finger with light that covers a plurality of wavelengths;

capturing a spectral signature of the potential finger, wherein the spectral signature spans at least two of the plurality of wavelengths; and

analyzing the spectral signature to determine whether the potential finger is a human finger;

wherein performance of the finger associated user application is conditioned on a determination that the potential finger is a human finger.

15. The method of claim 14, wherein the plurality of wavelengths span an entire electromagnetic spectrum from infrared to near-ultraviolet;

and capturing comprises capturing a hyperspectral signature.

16. The method of claim 14, wherein analyzing comprises comparing the spectral signature with a plurality of spectral signatures of a plurality of materials.

17. The method of claim 14, further comprising capturing other finger associated data from the potential finger for the finger associated user application.

18. The method claim 14, wherein the finger associated user application comprises fingerprint based user authentication, and analyzing further comprises analyzing fingerprint data associated with the potential finger, on determination that the potential finger is a human finger.

19. The method of claim 14, wherein the finger associated user application comprises a selected one of pulse oximetry measurement or blood glucose level measurement, and analyzing further comprises analyzing pulse oximetry or blood glucose level data associated with the potential finger, on determination that the potential finger is a human finger.

20. At least one computer readable media (CRM) comprising a plurality of instructions configured to cause a computer device, in response to execution of the instructions, to:

receive a spectral signature of a potential finger; and

analyze the spectral signature of a potential finger to determine whether the potential finger is a human finger;

wherein a performance of a finger associated user application by the computing device is conditioned on a determination that the potential finger is a human finger.

21. The CRM of claim 20, wherein to receive a spectral signature comprises to receive a hyperspectral signature that spans a plurality of wavelengths of an entire electromagnetic spectrum, from infrared to near-ultraviolet.

22. The CRM of claim 20, wherein to analyze comprises to compare the spectral signature with a plurality of spectral signatures of a plurality of materials.

23. The CRM of claim 20, wherein the computer device is further caused to receive other finger associated data of the potential finger for the finger associated user application.

24. The CRM of claim 23, wherein the finger associated user application comprises fingerprint based user authentication, the other finger associated data comprises fingerprint data of the potential finger, and to analyze further comprises to analyze the fingerprint data associated with the potential finger, on determination that the potential finger is a human finger.

25. The CRM of claim 23, wherein the finger associated user application comprises a selected one of pulse oximetry measurement or blood glucose level measurement, the other finger associated data comprises pulse oximetry or blood glucose level data associated with the potential finger. and to analyze further comprises to analyze pulse oximetry or blood glucose level data associated with the potential finger, on determination that the potential finger is a human finger.