BIOMETRICS: FACIAL
RECOGNITION
TECHNOLOGY
By Matthew WillertBy Matthew Willert
PUAD 620PUAD 620
OUTLINE
 WHAT IS BIOMETRICS?WHAT IS BIOMETRICS?
 WHAT IS FACIAL RECOGNITIONWHAT IS FACIAL RECOGNITION
TECHNOLOGY?TECHNOL...
WHAT IS BIOMETRICS?
BIOMETRICS – any automaticallyBIOMETRICS – any automatically
measurablemeasurable,, robustrobust andan...
TWO MAIN USES
1) IDENTFICATION1) IDENTFICATION
-figure out “Who is X?”-figure out “Who is X?”
-accomplished by system perf...
TYPES OF BIOMETRICS
Iris ScanningIris Scanning
-measures the iris patter in the colored part-measures the iris patter in t...
TYPES OF BIOMETRICS
Voice RecognitionVoice Recognition
-measures the vocal characteristics of a-measures the vocal charact...
FACIAL RECOGNITION
Facial recognition is a form of computerFacial recognition is a form of computer
vision that uses faces...
FIVE STEP PROCESS (STEP 1)
ACQUIRING THE IMAGE OF ANACQUIRING THE IMAGE OF AN
INDIVIDUALS FACEINDIVIDUALS FACE
2 WAYS TO A...
FIVE STEP PROCESS (STEP 2)
LOCATE IMAGE OF FACELOCATE IMAGE OF FACE
-software is used to locate the faces in the-software ...
FIVE STEP PROCESS (STEP 2)
FIVE STEP PROCESS (STEP 3)
ANALYSIS OF FACIAL IMAGEANALYSIS OF FACIAL IMAGE
-software measures face according to is-softwa...
FIVE STEP PROCESS (STEP 4)
COMPARISONCOMPARISON
-the face print created by the software is-the face print created by the s...
FIVE STEP PROCESS (STEP 5)
MATCH OR NO MATCHMATCH OR NO MATCH
-software decides whether or not any-software decides whethe...
FINAL STEP
THE HUMAN OPERATORTHE HUMAN OPERATOR
CONTROVERSY
FALSE POSITIVESFALSE POSITIVES
-FACIAL RECOGNITION VENDOR-FACIAL RECOGNITION VENDOR
TEST 2000TEST 2000
-PALM B...
CONTROVERSY
VIOLATION OF CONTITUTION RIGHTVIOLATION OF CONTITUTION RIGHT
AGAINST UNREASONABLE SEARCH?AGAINST UNREASONABLE ...
CONTROVERSY
THE BORDER EXCEPTIONTHE BORDER EXCEPTION
-the fourth amendment recognizes the-the fourth amendment recognizes ...
MY THOUGHTS ON FACIAL
RECOGNITION TECHNOLGY
REVIEW
 WHAT IS BIOMETRIC?WHAT IS BIOMETRIC?
 WHAT IS FACIAL RECOGNTIONWHAT IS FACIAL RECOGNTION
TECHNOLOGY?TECHNOLOGY?
...
QUESTIONS??????
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  1. 1. BIOMETRICS: FACIAL RECOGNITION TECHNOLOGY By Matthew WillertBy Matthew Willert PUAD 620PUAD 620
  2. 2. OUTLINE  WHAT IS BIOMETRICS?WHAT IS BIOMETRICS?  WHAT IS FACIAL RECOGNITIONWHAT IS FACIAL RECOGNITION TECHNOLOGY?TECHNOLOGY?  CONTROVERSYCONTROVERSY  MY OPINION OF THIS TECHNOLOGYMY OPINION OF THIS TECHNOLOGY  QUESTIONS????????QUESTIONS????????
  3. 3. WHAT IS BIOMETRICS? BIOMETRICS – any automaticallyBIOMETRICS – any automatically measurablemeasurable,, robustrobust andand distinctivedistinctive physicalphysical characteristic or personal trait that can becharacteristic or personal trait that can be used to identify an individual or verify theused to identify an individual or verify the claimed identity of an individual.claimed identity of an individual.
  4. 4. TWO MAIN USES 1) IDENTFICATION1) IDENTFICATION -figure out “Who is X?”-figure out “Who is X?” -accomplished by system performing a-accomplished by system performing a “one-to-many” search“one-to-many” search 2) VERIFICATION2) VERIFICATION -answer the question “Is this X?”-answer the question “Is this X?” -accomplished by the system performing-accomplished by the system performing a “one-to-one” searcha “one-to-one” search
  5. 5. TYPES OF BIOMETRICS Iris ScanningIris Scanning -measures the iris patter in the colored part-measures the iris patter in the colored part of the eyeof the eye Retinal ScanRetinal Scan -measures the blood vessel patterns in the-measures the blood vessel patterns in the back of the eyeback of the eye
  6. 6. TYPES OF BIOMETRICS Voice RecognitionVoice Recognition -measures the vocal characteristics of a-measures the vocal characteristics of a person using a specific phraseperson using a specific phrase Finger PrintingFinger Printing -measures the unique pattern of lines on a-measures the unique pattern of lines on a persons fingerpersons finger
  7. 7. FACIAL RECOGNITION Facial recognition is a form of computerFacial recognition is a form of computer vision that uses faces to attempt to identifyvision that uses faces to attempt to identify a person or verify a person’s claimeda person or verify a person’s claimed identity. Regardless of specific methodidentity. Regardless of specific method used, the facial recognition is accomplishedused, the facial recognition is accomplished in a five step process.in a five step process.
  8. 8. FIVE STEP PROCESS (STEP 1) ACQUIRING THE IMAGE OF ANACQUIRING THE IMAGE OF AN INDIVIDUALS FACEINDIVIDUALS FACE 2 WAYS TO AQUIRE IMAGE2 WAYS TO AQUIRE IMAGE 1)Digitally scan an existing photograph1)Digitally scan an existing photograph 2)Acquire a live picture of a subject2)Acquire a live picture of a subject
  9. 9. FIVE STEP PROCESS (STEP 2) LOCATE IMAGE OF FACELOCATE IMAGE OF FACE -software is used to locate the faces in the-software is used to locate the faces in the image that has been obtainedimage that has been obtained
  10. 10. FIVE STEP PROCESS (STEP 2)
  11. 11. FIVE STEP PROCESS (STEP 3) ANALYSIS OF FACIAL IMAGEANALYSIS OF FACIAL IMAGE -software measures face according to is-software measures face according to is peaks and valleys (nodal points)peaks and valleys (nodal points) -focuses on the inner region of the face-focuses on the inner region of the face known as the “golden triangle”known as the “golden triangle” -nodal points are used to make a face print-nodal points are used to make a face print
  12. 12. FIVE STEP PROCESS (STEP 4) COMPARISONCOMPARISON -the face print created by the software is-the face print created by the software is compared to all face prints the system hascompared to all face prints the system has stored in its database.stored in its database.
  13. 13. FIVE STEP PROCESS (STEP 5) MATCH OR NO MATCHMATCH OR NO MATCH -software decides whether or not any-software decides whether or not any comparisons from step 4 are close enoughcomparisons from step 4 are close enough to declare a possible matchto declare a possible match
  14. 14. FINAL STEP THE HUMAN OPERATORTHE HUMAN OPERATOR
  15. 15. CONTROVERSY FALSE POSITIVESFALSE POSITIVES -FACIAL RECOGNITION VENDOR-FACIAL RECOGNITION VENDOR TEST 2000TEST 2000 -PALM BEACH INTERNATIONAL-PALM BEACH INTERNATIONAL AIRPORTAIRPORT -FACIAL RECOGNITION VENDOR-FACIAL RECOGNITION VENDOR TEST 2002TEST 2002
  16. 16. CONTROVERSY VIOLATION OF CONTITUTION RIGHTVIOLATION OF CONTITUTION RIGHT AGAINST UNREASONABLE SEARCH?AGAINST UNREASONABLE SEARCH? United States v. DionisioUnited States v. Dionisio, 410 U.S. 1, 14 (1973), 410 U.S. 1, 14 (1973) -person does not have a reasonable expectation of-person does not have a reasonable expectation of privacy of those physical characteristics that areprivacy of those physical characteristics that are constantly exposed to the public such as one’sconstantly exposed to the public such as one’s facial features, voice and handwritingfacial features, voice and handwriting
  17. 17. CONTROVERSY THE BORDER EXCEPTIONTHE BORDER EXCEPTION -the fourth amendment recognizes the-the fourth amendment recognizes the longstanding right of the sovereign tolongstanding right of the sovereign to protect itself by stopping and examiningprotect itself by stopping and examining persons and property crossing into thispersons and property crossing into this countrycountry
  18. 18. MY THOUGHTS ON FACIAL RECOGNITION TECHNOLGY
  19. 19. REVIEW  WHAT IS BIOMETRIC?WHAT IS BIOMETRIC?  WHAT IS FACIAL RECOGNTIONWHAT IS FACIAL RECOGNTION TECHNOLOGY?TECHNOLOGY?  CONTROVERSYCONTROVERSY  MY OPINIONMY OPINION
  20. 20. QUESTIONS??????

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