
When the palm is illuminated with near-infrared light, deoxidised haemoglobin inside the veins absorbs this light, which causes the veins to appear as a dark pattern. The region used for authentication is photographed with near-infrared light, and the vein pattern is extracted by image processing and registered. To authenticate the user, their unique vein pattern is verified against the preregistered pattern held on a database, Smart card or encrypted onto memory card.

Hand is placed adjacent to the PalmSecure unit.

The PalmSecure sensor emits a near-infrared beam towards the presented palm. Unique properties of blood flowing in the veins show them up as a complex individual pattern under the near-infrared light. .

The special optical system integrated into the PalmSecure sensor generates an image of the palm vein pattern.

The generated image is processed, digitised, encrypted and finally stored as a registered template.
Subsequently, system authentication for system log-on, access control or identification is carried out by comparing the actual scanned palm vein pattern against the secure registered template archived in the library. Advanced matching algorithms ensure the highest levels of accuracy.