Patent ID: 8209375
Filing Date: 2012-06-26
Classification: H04L

Abstract:
1. A method comprising: receiving a first request at a server for a first set of image data corresponding to an image, the first request starting an image viewing session; responding to the first request with the first set of image data; receiving a second request at the server, during the image viewing session and subsequent to the first request, for a second set of image data corresponding to a portion of the image generated from the first set of image data; determining that the second set of image data includes restricted data; sending a prompt for authentication; receiving a third request at the server, during the image viewing session, wherein the third request includes the second request along with authentication information; determining that the third request is for restricted data; checking the authentication information supplied by the third request at the server; and providing the second set of image data from the server if the authentication information is correct, wherein the second set of image data does not include image data from the first set of image data and includes new image data to refine the image data from the first set for the portion of the image by integrating the second set of image data with the first set of image data.