A graphical user interface that is embodied in a computer-readable medium for execution on a computer, and configured for processing of an image that is displayed on a screen. The graphical user interface includes an original version of a control element, and a blurred version of the control element. The blurred version of the control element is superimposed over the image on the screen, and the original version of the control element is superimposed over the blurred version of the control element on the screen.