1. A method for encoding dynamic image information for an image generated by a computer application, the method comprising performing by processing circuitry: determining at least one characteristic of a computer application, said at least one characteristic comprising one or both of: a name of said computer application and/or a type of said computer application; determining a first set of information describing a reference image; and determining a second set of information describing an image generated, at least in part, by the computer application, the second set of information comprising information indicative of movement between the image and the reference image, wherein determining the second set of information comprises determining the information indicative of movement between the image and the reference image based, at least in part, on said determined at least one characteristic of the computer application.