1. A transparent display device, comprising: a display panel comprising a plurality of pixels configured to display a compensated image to a viewer facing a first side of the display panel, wherein at least part of a background facing a second side of the display panel is visible to the viewer through the display panel at least when no image is being displayed by the display panel; one or more driving units connected to the display panel and configured to drive the plurality of pixels; means for controlling the one or more driving units; means for compensating an image, the means for compensating the image being configured to: determine a property of the background; and process original image data to compensate for the determined property of the background, thereby producing compensated image data; and means for generating a display by the display panel of the compensated image, the compensated image being based on the compensated image data.