METHOD, DEVICE AND COMPUTER PROGRAM FOR MONITORING AN AREA

摘要

A method for monitoring a monitored area comprising the steps of recording an image of the monitored area and of comparing the recorded image with a reference image in order to determine whether there is an alarm situation. The method further comprises the step of creating the reference image by combining at least two previously stored images from a set of images, so that the lighting conditions in the reference image are adjusted to the lighting conditions in the recorded image.