A method for controlling an input from a user to a computerized system including a touchpad is presented. The method includes obtaining data from the touchpad. The data is associated with the location and force of a finger and/or a hand of the user upon the touchpad and not associated with an image of the finger from an image sensor, when the user operates the computerized system using the touchpad. The method further includes communicating the data from the touchpad to the computerized system and analyzing the data in accordance with a model of a human hand. The method further includes determining, using the model, that at least one finger of the user is touching a first control region of the touchpad using a first force.