Abstract: In a sky monitoring system, comprising an image sensor, a wide-angle lens, a microprocessor, and a memory unit, wherein the sky monitoring system is configured to take pictures of a sky scene, wherein the sky monitoring system is configured to subdivide each picture of the sky scene into a group of patches and to determine one luminance value for each patch, wherein the sky monitoring system is configured to calculate an output based on the luminance values of the patches, the image sensor, the wide-angle lens, the microprocessor and the memory unit are integrated into one single sky monitoring device thus making the sky monitoring system an embedded system.

Abstract: In a sky monitoring system, comprising an image sensor, a wide-angle lens, a microprocessor, and a memory unit, wherein the sky monitoring system is configured to take pictures of a sky scene, wherein the sky monitoring system is configured to subdivide each picture of the sky scene into a group of patches and to determine one luminance value for each patch, wherein the sky monitoring system is configured to calculate an output based on the luminance values of the patches, the image sensor, the wide-angle lens, the microprocessor and the memory unit are integrated into one single sky monitoring device thus making the sky monitoring system an embedded system.

Abstract: A shading device is configured to be integrated into a façade of a building. The shading device includes an imaging system configured to create images of an outside view of the building.

Abstract: A screening device (3) for screening exterior light (2) which illuminates a room (1), is controlled such that in the room on the one hand, user comfort with regard to freedom from dazzling and room temperature is optimal and, on the other hand, energy consumption for artificial lighting within the room or for heating and cooling the room is minimized.