Method and apparatus for recognizing a pedestrian step for a portable terminal

The portable terminal (10) has a receiving unit (20). It is detected in one of the receiving unit (20) each image of an image sequence detected an object that represents at least a part of a foot and / or a shoe and / or a leg. The position of the object in each image is determined, and depending on a change in position of the object is detected between at least two images in the sequence, a step of the pedestrian.