Patent ID: 7447369
Filing Date: 2008-11-04
Classification: H04N

Abstract:
1. A method compnsing: modifying image data corresponding to an image to create a sub-image at a first location, wherein the sub-image represents a modification of image data already controlled by a server remote with respect to the first location; compressing, at the first location, the sub-image to create a compressed sub-image; uploading the compressed sub-image to the server for combination with compressed data corresponding to the image; and combining the compressed sub-image with the compressed data corresponding to the image stored on the server, wherein combining the compressed sub-image comprises replacing all tile-parts for the tiles uploaded by removing all tile-parts in a file for which a tile-part exists in the uploaded compressed sub-image and inserting tile-parts of the compressed sub-image that has been uploaded, including removing or adjusting one or more informative marker segments based on lengths of tile-pans in the uploaded compressed sub-image.