Method for biometric authentication through layering biometric traits
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H04L-009/00
G06F-007/04
G06F-007/02
G06K-009/00
출원번호
UP-0814607
(2001-03-22)
등록번호
US-7536557
(2009-07-01)
발명자
/ 주소
Murakami, Rick V.
Hinton, Clark T.
Pettit, Matthew W.
출원인 / 주소
Ensign Holdings
대리인 / 주소
Thompson, John R.
인용정보
피인용 횟수 :
82인용 특허 :
69
초록▼
A portable biometric authentication system having a single technology for measuring multiple, varied biological traits to provide individual authentication based on a combination of biological traits. At least one of these biometric traits is a live physiological trait, such as a heartbeat waveform,
A portable biometric authentication system having a single technology for measuring multiple, varied biological traits to provide individual authentication based on a combination of biological traits. At least one of these biometric traits is a live physiological trait, such as a heartbeat waveform, that is substantially-but not necessarily completely-unique to the population of individuals. Preferably, at least one of the identifying aspects of the biological traits is derived from a measurement taken by reflecting light off of the subdermal layers of skin tissue.
대표청구항▼
What is claimed is: 1. A computer-implemented method for biometric authentication, said method comprising: reading a first unique, heartbeat waveform of an individual; analyzing said waveform to identify unique traits; reading a second unique, internal physiological trait of said individual; and au
What is claimed is: 1. A computer-implemented method for biometric authentication, said method comprising: reading a first unique, heartbeat waveform of an individual; analyzing said waveform to identify unique traits; reading a second unique, internal physiological trait of said individual; and authenticating the identity of said individual if both said waveform and said physiological trait correspond with previously enrolled traits recorded for said individual. 2. The method of claim 1 wherein said first unique, heartbeat waveform is measured by reflecting light off of the subdermal layers of skin tissue on said individual. 3. The method of claim 1 wherein said step of authenticating is performed by a portable computerized device. 4. The method of claim 3 further comprising weighting some quantitative features of said biological traits more than other quantitative features of said biological traits. 5. The method of claim 4 further comprising means for verifying physiological activity. 6. The method of claim 1 wherein said second unique, internal physiological trait comprises the light absorption characteristics of the skin tissue of said individual. 7. The computer-implemented method of claim 1, wherein analyzing said heartbeat waveform includes filtering and normalizing the heartbeat waveform. 8. The computer-implemented method of claim 1, wherein analyzing said heartbeat waveform includes analyzing a dicrotic notch. 9. The computer-implemented method of claim 1, wherein analyzing said heartbeat waveform includes analyzing two peak amplitudes. 10. A computer-implemented method performed by a computer device, the method comprising: reading a first live internal biological identifier of an individual, said first live internal biological identifier being a heartbeat waveform measured by reflecting light off of the subdermal layers of skin tissue on said individual; reading a second live internal biological identifier of said individual; and authenticating the identity of said individual if both of said biological identifiers correspond with previously enrolled biological identifiers taken for said individual. 11. The method of claim 10 wherein said second live internal biological identifier comprises the depth of a previously-identified layer of epithelial tissue. 12. The method of claim 10 wherein said second live internal biological identifier comprises the retinal pattern of an iris. 13. The method of claim 10 further comprising weighting some quantitative features of said biological identifiers more than other quantitative features of said biological identifiers. 14. A computer implemented method performed by a computer device, the method comprising: reading a first live internal biological identifier of an individual, said first live internal biological identifier being a heartbeat waveform measured by reflecting light off of the subdermal layers of skin tissue on said individual; analyzing said waveform to identify unique traits; reading a second live internal biological identifier of said individual, said second live internal biological identifier comprising bone density; and authenticating the identity of said individual if both of said biological identifiers correspond with previously enrolled biological identifiers taken for said individual. 15. The method of claim 14 wherein the computer device is a personal digital assistant. 16. The method of claim 14, wherein analyzing said heartbeat waveform includes filtering and normalizing the heartbeat waveform. 17. The method of claim 14, wherein analyzing said heartbeat waveform includes analyzing a dicrotic notch. 18. The method of claim 14, wherein analyzing said heartbeat waveform includes analyzing two peak amplitudes. 19. A computer-implemented method performed by a computer authenticating device comprising: presenting an individual's live body tissue to the computer authenticating device for the capturing of a first unique, heartbeat waveform of said individual; analyzing said waveform to identity unique features; providing a second unique, internal physiological identifier of said individual to said authentication device; authenticating said second physiological identifier by comparing the unique features with those recorded for that individual; and upon authentication by said device, operating said device to perform functions previously inaccessible to unauthorized individuals, said authentication taking place upon the matching of both of said biological identifiers with previously enrolled physiological identifiers taken for said individual. 20. The method of claim 19 wherein said second unique, internal physiological identifier comprises the light absorption characteristics of the skin tissue of said individual. 21. The method of claim 19 wherein said authentication further comprises weighting some quantitative features of said biological identifiers more than other quantitative features of said biological identifiers. 22. The method of claim 19, wherein analyzing said heartbeat waveform includes filtering and normalizing the heartbeat waveform. 23. The method of claim 19, wherein analyzing said heartbeat waveform includes analyzing a dicrotic notch. 24. The method of claim 19, wherein analyzing said heartbeat waveform includes analyzing two peak amplitudes. 25. A computer-readable storage medium comprising instructions to cause a computing device to perform a method, comprising: reading a unique heartbeat waveform of an individual; analyzing said waveform to identify unique traits; reading a second unique, internal physiological identifier of said individual; and authenticating the identity of said individual if both said waveform and said physiological identifier correspond with previously enrolled identifiers recorded for said individual. 26. The computer-readable storage medium of claim 25, wherein said second internal physiological identifier comprises the depth of a previously-identified layer of epithelial tissue. 27. The computer-readable storage medium of claim 25, wherein said second internal physiological identifier comprises the retinal pattern of an iris. 28. The computer-readable storage medium of claim 25, wherein said instructions are performed by a single computer chip. 29. The medium of claim 25 wherein said second unique, internal physiological identifier is measured by reflecting light off of the skin of said individual. 30. The medium of claim 25 wherein said second unique, internal physiological identifier comprises the light absorption characteristics of the skin tissue of said individual. 31. The computer-readable medium of claim 25, wherein analyzing said heartbeat waveform includes filtering and normalizing the heartbeat waveform. 32. The computer-readable medium of claim 25, wherein analyzing said heartbeat waveform includes analyzing a dicrotic notch. 33. The computer-readable medium of claim 25, wherein analyzing said heartbeat waveform includes analyzing two peak amplitudes. 34. A layered biometric authentication system comprising: a portable computerized device having an infrared emitter and detector operably connected to a single computer chip; means for capturing a first unique heartbeat waveform of an individual, said means being located on said portable device and operably connected to said computer chip, said waveform being measured by reflecting light off of the subdermal layers of skin tissue on said individual; means for analyzing said waveform to identify unique traits; means for capturing a second internal physiological identifier of said individual, said means for reading the second biological identifier being located on said portable device and operably connected to said computer chip; means for verifying physiological activity, said verifying means being operably connected to said computer chip; and means for authenticating the identity of said individual if both of said waveform and said physiological identifier correspond with previously enrolled identifiers recorded for said individual, said means for authenticating weighting some quantitative features of said identifiers more than other quantitative features of said identifiers. 35. The layered biometric authentication system of claim 34, wherein means for analyzing includes means for filtering and normalizing the heartbeat waveform. 36. The layered biometric authentication system of claim 34, wherein means for analyzing includes means for analyzing a dicrotic notch. 37. The layered biometric authentication system of claim 34, wherein means for analyzing includes means for analyzing two peak amplitudes.
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