Method and apparatus for calibration over time of histological and physiological biometric markers for authentication

• US 7,133,792 B2
• Filed: 03/23/2001
• Issued: 11/07/2006
• Est. Priority Date: 06/08/2000
• Status: Expired due to Term

• Current Assignee: HALO Wearables LLC
• Original Assignee: Ensign Holdings LLC
• Inventors: Murakami, Rick V., Pettit, Matthew W., Hinton, Clark
• Primary Examiner(s): Nghiem, Michael
• Assistant Examiner(s): Sun, Xiuqin
• Application Number:
  US09/815,568
• Publication Number:
  US 20020138743A1
• Time in Patent Office: 2,055 Days
• Field of Search: 702/104, 702/179, 713/186, 713/202, 713/176, 380/25, 726/16, 726/5, 382/115, 382/124, 382/116, 235/380, 340/5.52
• US Class Current: 702/104
• CPC Class Codes: G06F 2218/12 Classification; Matching
• CPC Class Codes: G06V 40/15 Biometric patterns based on physiological signals, e.g. heartbeat, blood flow
• CPC Class Codes: G07C 9/257 electronically G07C9/26 takes precedence

Abstract

The present invention is directed toward a method for calibrating a biometric authentication device over time. The method of the present invention involves obtaining an authenticating biometric value from a biometric measurement. The biometric value is then weighted and integrated into the authentication data set or template.

Claims

1. A method for calibrating a biometric authentication device over time comprising the steps of:

obtaining an authenticating biometric value from an actual biometric measurement;

adaptably weighting the authenticating biometric value;

weighting the authenticating biometric value to accommodate for known changes in a biometric marker; and

integrating and storing the adaptably weighted authenticating biometric value into an authenticating template stored in electronic form in a computerized device.

2. The method of claim 1 wherein the step of obtaining an authenticated biometric value comprises determining that a measured biometric value falls within a predetermined range of biometric values.

3. The method of claim 2 wherein the integration of the weighted value is accomplished by averaging the weighted value into the authenticating range of values.

4. The method of claim 3 wherein the step of averaging the weighted value further comprises multiplying the authenticating measured value by a multiplier.

5. The method of claim 1 wherein biometric value is adaptably weighted based upon consistent differences in authenticated measured biometric values.

6. The method of claim 1 wherein biometric value is adaptably weighted based upon trends in measured authenticating biometric values.

7. The method of claim 1 wherein biometric value is adaptably weighted based on the frequency of use of the biometric authentication device.

8. The method of claim 1 wherein biometric value is adaptably weighted based on the number of uses of the biometric authentication device.

9. The method of claim 1 wherein the authenticated biometric values are obtained by measuring histological biometric markers.

10. The method of claim 1 wherein the authenticating biometric values are obtained measuring a physiological biometric marker.

11. The method of claim 1 wherein the biometric values are univariate values.

12. The method of claim 1 wherein the biometric values are multivariate values.

13. The method of claim 1 wherein the biometric marker being measured is an internal biometric marker.

14. A device employing a biometric access system, said access system being adaptable to changes in a user'"'"'s biometric over time, said device adapting to said changes by using the steps of:

obtaining an authenticating biometric value from an actual biometric measurement;

adaptably weighting the authenticating biometric value;

weighting the authenticating biometric value to accommodate for known changes in a biometric marker; and

integrating and storing the adaptably weighted authenticating biometric value into an authenticating template stored in electronic form in a computerized device.

15. The device of claim 14 wherein the step of obtaining an authenticated biometric value comprises determining that a measured biometric value falls within a predetermined range of biometric values.

16. The device of claim 15 wherein the integration of the weighted value is accomplished by averaging the weighted value into the authenticating range of values.

17. The device of claim 16 wherein the step of averaging the weighted value further comprises multiplying the authenticating measured value by a multiplier.

18. The device of claim 14 wherein the biometric marker being measured is an internal biometric marker.

19. The device of claim 14 wherein biometric value is adaptably weighted based upon consistent differences in authenticated measured biometric values.

20. The device of claim 14 wherein biometric value is adaptably weighted based upon trends in measured authenticating biometric values.

21. The device of claim 14 wherein biometric value is adaptably weighted based on the frequency of use of the biometric authentication device.

22. The device of claim 14 wherein biometric value is adaptably weighted based on the number of uses of the biometric authentication device.

23. The device of claim 14 wherein the authenticated biometric values are obtained by measuring histological biometric markers.

24. The device of claim 14 wherein the authenticating biometric values are obtained measuring a physiological biometric marker.

25. The device of claim 14 wherein the biometric values are univariate values.

26. The device of claim 14 wherein the biometric values are multivariate values.

27. A computer readable medium containing instructions for controlling calibration of a biometric marker for use in a biometric authentication device, by:

obtaining an authenticating biometric value from an actual biometric measurement;

adaptably weighting the authenticating biometric value;

weighting the authenticating biometric value to accommodate for known changes in a biometric marker; and

integrating and storing the weighted authenticating biometric value into an authenticating template stored in electronic form in a computerized device.

28. The computer readable medium of claim 27 wherein the step of obtaining an authenticated biometric value comprises determining that a measured biometric value falls within a predetermined range of biometric values.

29. The computer readable medium of claim 28 wherein the integration of the weighted value is accomplished by averaging the weighted value into the authenticating range of values.

30. The computer readable medium of claim 29 wherein the step of averaging the weighted value further comprises multiplying the authenticating measured value by a multiplier.

31. The computer readable medium of claim 27 wherein the biometric marker being measured is an internal biometric marker.

32. The computer readable medium of claim 27 wherein biometric value is adaptably weighted based upon consistent differences in authenticated measured biometric values.

33. The computer readable medium of claim 27 wherein biometric value is adaptably weighted based upon trends in measured authenticating biometric values.

34. The computer readable medium of claim 27 wherein biometric value is adaptably weighted based on the frequency of use of the biometric authentication device.

35. The computer readable medium of claim 27 wherein biometric value is adaptably weighted based on the number of uses of the biometric authentication device.

36. The computer readable medium of claim 27 wherein the authenticated biometric values are obtained by measuring histological biometric markers.

37. The computer readable medium of claim 27 wherein the authenticating biometric values are obtained measuring a physiological biometric marker.

38. The computer readable medium of claim 27 wherein the biometric values are univariate values.

39. The computer readable medium of claim 27 wherein the biometric values are multivariate values.