This is a chemical type of biometric- The identification of an individual using the analysis of segments from DNA.
This is a visual biometric- its telling identification of a person just by using the shape of there ear.
Eyes – Iris Recognition
Visual Biometric- This is the use of features found in your eye more specially the iris to identify an individual.
Eyes – Retina Recognition
Visual Biometric- This uses patterns in your veins in the back of the someones eye to to create a form of recognition.
Visual Biometric – This is looking particularly at the facial features and patterns for the authentication or recognition of an individuals identity.
Many face recognition systems either use something called eigenfaces or local feature analysis.
Visual Biometric- This uses the ridges and valleys that are found on the surface tips on humans fingers to identify an individual.
Finger Geometry Recognition
The use of 3D geometry of the finger to determine identity.