1. A control system for an autonomous garden tool that is equipped with at least one camera and at least one motor, wherein the control system comprises: a camera controller configured for controlling camera settings such that the camera can apply a change of camera settings; an image generator configured to i) analyze images of a sequence of images, ii) determine, based on the analyzed images, a time on which the change of camera settings is applied by the camera, iii) determine, based on said time, two consecutive images in the sequence of images captured by the camera on the basis of different, respective camera settings, and iv) generate a HDR image on the basis of these two consecutive images in a HDR mode; and an image analyzer configured to analyze the HDR image transferred from the image generator, the control system being configured to use the HDR image for automatically implementing a function of the autonomous garden tool.