1. An apparatus, comprising: a user interface comprising a displaying surface; an image sensor array integrated with the displaying surface, the image sensor array comprising a group of image sensors, each image sensor being configured for capturing an image; and a touch sensor; and a processor being configured for controlling the user interface; wherein the processor is configured to cause capturing a first image with each active image sensor of the group of image sensors; choosing a number of images from the first images; and forming a second image from the chosen images; wherein the processor is further configured to cause changing a number of active image sensors in the group of image sensors in response to a captured disturbed image.