Fingers & Knuckles
Doigts & Articulations

This pages gathers several biometric methods related to the finger, but fingerprints & finger geometry :

Knuckle creases
Articulations

Brevet US 5,594,806 (Colbert)

Finger wrinkles
Plis du doigt

Sensor
capacitance measurement of wrinkles

3D Finger surface
Topographie de la surface du doigt

Uses the curvature of each small section of the finger surface, starting from a normal image.

Utilise la courbure de la surface du doigt en chaque point, à partir d'une photo normale.

Finger curvature segmented into regions

Finger-Knuckle-Print
Empreinte articulaire du doigt

Several groups are working on identification using finger knuckle prints :

An automated extraction of finger knuckles for identification (Kumar)

The acquisition device used by Zhang & al.

Example of a finger knuckle print from Zhang & al.