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It’s a matter of perspective Mary Theofanos. 3 System starts capture Capture Capture thresholding...
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It’s a matter of perspective Mary Theofanos
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Transcript of It’s a matter of perspective Mary Theofanos. 3 System starts capture Capture Capture thresholding...
It’s a matter of perspective
Mary Theofanos
What is central to the biometric challenge?What is central to the biometric challenge?
It’s a matter of perspective It’s a matter of perspective
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System starts capture
Capture
Capture thresholding
Time
Participant presentsBiometric
Participant withdraws biometric
Next attempt(acceptable attempt)
Opposite sides of an issue
Capture repeated if unacceptable
Product Development : Technology Perspective
Product Development : Technology Perspective
Product Development: User Centered DesignPerspective
Context of Use
User &OrganizationalRequirements
Design Solution
Evaluation
Product Development: User Centered DesignPerspective
User
Examples:Contactless fingerprinting
• Pointing Upward?
• Signaling Importance?
• Directing Movement?
• Denoting Fingerprinting?
Examples:What does this symbol mean?
!
Examples:How long does it take to leave a fingerprint?
Technology PerspectiveUser Perspective
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Opportunity (“please place your hand on the scanner”)
System starts capture
Capture
Capture thresholding
Capture thresholding
Time
Participant presentsAttempt starts
Attempt
Attempt ends
Next attempt(acceptable
attempt)
Two sides of the same coin
Capture repeated if unacceptable
