Patent ID: 8612628

Claim:
A method for reproducing an image of a first computer on a second computer in a computer network, the method comprising: detecting a first screen image on the first computer, the first screen image having a first color depth; producing a representation at a second color depth of the first screen image to be stored on the first computer, wherein the second color depth is lower than the first color depth; sending the first screen image of the first color depth to the second computer; compressing and storing the first screen image on the second computer; detecting, by the first computer, that a second screen image is a portion of the first screen image using the stored second color depth representation of the first screen image; and responsive to the detecting by the first computer that the second screen image is a portion of the first screen image, invoking the portion of first screen image for display at the first color depth on the second computer, wherein the invoking comprises sending to the second computer a co-ordinate set identifying the portion of the first screen image corresponding to the second screen image such that only the identified portion of the first screen image is displayed on the second computer.