Method for identifying a user manipulating a touchscreen device

摘要

This method identifies a user according to a hand tap on a touchscreen device. This method comprises:
- at least one step among:
- a step (E10) of acquiring the coordinates of a plurality of fingertips contacts on said touchscreen device, of determining (E20), for at least one pair of said fingertips contacts, the distance between said fingertips contacts and (E30) of recording said distance in a first data structure ;
- a step (E40) of determining the order in which at least two fingertips have contacted said touchscreen device and (E50) of recording said order in a second data structure;
- a step (E60) of determining a duration during which a given number of fingertips are all together in contact with said touchscreen device and (E70) of recording said duration in a third data structure; and
- a step (E80) of comparing these data with corresponding data recorded in a database.