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

3

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

11

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