1. A method comprising: receiving at least first image data information representing a first image, second image data information representing a second image; and third image data information representing a third image; generating fourth image data information representing a fourth image by: replacing a first portion of the first image data information representing a first image area with a first portion of the second image data information representing the first image area in the second image; maintaining at least a second portion of the first image data information representing a second image area; replacing a third portion of the first image data information representing a third image area with a third portion of the third image data information representing the third image area in the third image.