1. FACE RECOGNITION TECHNOLOGY
123seminarsonly.com
123seminarsonly.com
FACE RECOGNITION TECHNOLOGY
JITHIN.S.J.
S7 CSE.
123seminarsonly.com
123seminarsonly.com

2. FACE RECOGNITION
All identification and authentication technologies operate using the 4 stage procedure
capture
extraction
comparison
match/nonmatch
123seminarsonly.com

3. There are two methods of capture Video imaging
123seminarsonly.com
123seminarsonly.com
There are two methods of capture
Video imaging
Video imaging uses video cameras.
System performance depends on precise position, angle of the head and surrounding lighting condition.
Thermal imaging
Thermal imaging has better accuracy as it uses facial temperature variation.
Disadvantage is that its very costly.
123seminarsonly.com
123seminarsonly.com

4. CAPTURING OF IMAGE BY STANDARD VIDEO CAMERAS
123seminarsonly.com

5. COMPONENTS OF FACE RECONITION SYSTEM
Consists of three modules
Enrollment module
Database
Identification
123seminarsonly.com

6. Performance Parameters
False acceptance rate,FAR= NFA/NIIA
NFA= number of false acceptance
NIIA=no of imposter identification attempt
False rejection rate,FRR = NFR/NEIA
NFR=number of false rejection
NEIA=number of enrollee identification attempt
Threshold/decision threshold
Equal error rate
123seminarsonly.com

7. IMPLEMENTATION OF FACE RECOGNITION TECHNOLOGY
Data acquisition
Input processing
Face image classification and decision making
123seminarsonly.com

8. HOW FACE RECOGNITION SYSTEMS WORKS-an example
Visionics, a company based in New Jersey
Faceit
There are distinguishable landmark on your face called peaks and valleys-nodal points
80 nodal points on human face like
-distance between eyes
-width of nose
-depth of eye socket
-cheek bones
-jawline
-chin
faceit needs 14 to 20 nodal points
123seminarsonly.com

9. THE SOFTWARE The basic process used by Faceit system are Detection
Alignment
Normalisation
Representation
Matching
123seminarsonly.com

10. ADVANTAGES AND DISADVANTAGES
Convenient, social acceptability
Easy to use
Inexpensive technique of identification
DISADVANTAGES
Problem with false rejection when people change their hair style, grow or shave a beard or wear glasses.
Identical twins
123seminarsonly.com

11. WHY WE CHOOSE FACE RECOGNITION
No physical interaction on behalf of the user
Does not require an expert to interpret the comparison
Can use existing hardware infrastructure
Can use existing image without having to re-enroll everytime
Only biometric that allows you to perform passive identification in a one to many environment
123seminarsonly.com

12. APPLICATIONS Replacement of PIN,physical tokens
No need of human assistance for identification
Prison visitor systems
Border control
Voting system
Computer security
Banking using ATM
Physical access control of buildings,areas etc
123seminarsonly.com

13. CONCLUSION Cost of equipments is going down-cost effective Reliable
No technological or financial barriers
123seminarsonly.com

14. Thank you
123seminarsonly.com