Download - Biometrics (1)
![Page 1: Biometrics (1)](https://reader035.vdocuments.us/reader035/viewer/2022062306/58735e031a28abe7648b4f89/html5/thumbnails/1.jpg)
![Page 2: Biometrics (1)](https://reader035.vdocuments.us/reader035/viewer/2022062306/58735e031a28abe7648b4f89/html5/thumbnails/2.jpg)
Overview
What is Biometrics? Types of Biometric Recognition. Applications of Biometric Systems. Types of Authentication. Constraints on Biometrics. Biometric Research at Clemson University.
![Page 3: Biometrics (1)](https://reader035.vdocuments.us/reader035/viewer/2022062306/58735e031a28abe7648b4f89/html5/thumbnails/3.jpg)
What is Biometrics?
Automated method for recognizing individuals based on measurable biological and behavioral characteristics
![Page 4: Biometrics (1)](https://reader035.vdocuments.us/reader035/viewer/2022062306/58735e031a28abe7648b4f89/html5/thumbnails/4.jpg)
Finger Print Recognition
Minutiae
Pattern Matching
Problems: sometimes unusable
![Page 5: Biometrics (1)](https://reader035.vdocuments.us/reader035/viewer/2022062306/58735e031a28abe7648b4f89/html5/thumbnails/5.jpg)
Vascular Pattern Matching
LED infrared light
Fingers and back of hand
Not completely viable
![Page 6: Biometrics (1)](https://reader035.vdocuments.us/reader035/viewer/2022062306/58735e031a28abe7648b4f89/html5/thumbnails/6.jpg)
Iris Recognition
Uses infrared light
Converts Images to vectors
Needs further development
![Page 7: Biometrics (1)](https://reader035.vdocuments.us/reader035/viewer/2022062306/58735e031a28abe7648b4f89/html5/thumbnails/7.jpg)
Facial Recognition
Location and position of facial features
Dependent on background and lighting conditions
![Page 8: Biometrics (1)](https://reader035.vdocuments.us/reader035/viewer/2022062306/58735e031a28abe7648b4f89/html5/thumbnails/8.jpg)
Voice Verification
Factors: pitch, intensity, quality and duration
Text dependent
Text independent
Problems: include background noise
![Page 9: Biometrics (1)](https://reader035.vdocuments.us/reader035/viewer/2022062306/58735e031a28abe7648b4f89/html5/thumbnails/9.jpg)
Hand Geometry
Scan both sides of hand
Primarily used for verification
Not as accurate as other methods
![Page 10: Biometrics (1)](https://reader035.vdocuments.us/reader035/viewer/2022062306/58735e031a28abe7648b4f89/html5/thumbnails/10.jpg)
Dynamic Signature
Factors: velocity, acceleration and speed
Mainly used for verification
Problems: forgers could reproduce
![Page 11: Biometrics (1)](https://reader035.vdocuments.us/reader035/viewer/2022062306/58735e031a28abe7648b4f89/html5/thumbnails/11.jpg)
Retina Recognition
One of the most secure means of biometrics
Unique to each person
Unique to each eye
Problems: require effort on the part of subjects
![Page 12: Biometrics (1)](https://reader035.vdocuments.us/reader035/viewer/2022062306/58735e031a28abe7648b4f89/html5/thumbnails/12.jpg)
Other Types
Keystroke
DNA
![Page 13: Biometrics (1)](https://reader035.vdocuments.us/reader035/viewer/2022062306/58735e031a28abe7648b4f89/html5/thumbnails/13.jpg)
Commercial Applications
Computer login
Electronic Payment
ATMs
Record Protection
![Page 14: Biometrics (1)](https://reader035.vdocuments.us/reader035/viewer/2022062306/58735e031a28abe7648b4f89/html5/thumbnails/14.jpg)
Government Applications
Passport control
Access Control
![Page 15: Biometrics (1)](https://reader035.vdocuments.us/reader035/viewer/2022062306/58735e031a28abe7648b4f89/html5/thumbnails/15.jpg)
Forensic Applications
Missing Persons
Corpse identification
Criminal investigations
![Page 16: Biometrics (1)](https://reader035.vdocuments.us/reader035/viewer/2022062306/58735e031a28abe7648b4f89/html5/thumbnails/16.jpg)
Type of Authentication
Authentication 1:1
Verification 1:N
![Page 17: Biometrics (1)](https://reader035.vdocuments.us/reader035/viewer/2022062306/58735e031a28abe7648b4f89/html5/thumbnails/17.jpg)
Constraints on Biometrics
Typical “Constrained” Image
Constraints: Lighting Distance Pose Expression Time Lapse Occlusion
![Page 18: Biometrics (1)](https://reader035.vdocuments.us/reader035/viewer/2022062306/58735e031a28abe7648b4f89/html5/thumbnails/18.jpg)
Biometrics Research at Clemson University.
Biometric and Pattern Recognition Lab
Goals:1. Usable Biometrics2. Unconstrained
Biometrics
![Page 19: Biometrics (1)](https://reader035.vdocuments.us/reader035/viewer/2022062306/58735e031a28abe7648b4f89/html5/thumbnails/19.jpg)
Biometrics Research at Clemson
Aging Research
![Page 20: Biometrics (1)](https://reader035.vdocuments.us/reader035/viewer/2022062306/58735e031a28abe7648b4f89/html5/thumbnails/20.jpg)
Biometrics Research at Clemson
Demographics Older vs. Younger Males vs. Females Geographic origin of
algorithms
![Page 21: Biometrics (1)](https://reader035.vdocuments.us/reader035/viewer/2022062306/58735e031a28abe7648b4f89/html5/thumbnails/21.jpg)
Biometrics Research at Clemson
Periocular Region Recognition Texture, color, eye
shape Overcome facial
occlusion
![Page 22: Biometrics (1)](https://reader035.vdocuments.us/reader035/viewer/2022062306/58735e031a28abe7648b4f89/html5/thumbnails/22.jpg)
Biometrics Research at Clemson
Ear Recognition Not affected by aging
or expression Covert collection of
images Little research
performed