Patent ID: 7757089
Filing Date: 2010-07-13
Classification: G06T

Abstract:
1. A content rendering method of rendering unified contents composed of a plurality of contents including at least first and second contents of web broadcasting, the method comprising: embedding a first digital watermark in the first content within a first time-offset, such that visible watermarks are embedded with key data in each scene of the first content individually and independently of each other scene; saving a first key in the second content enabling a removal of the first digital watermark; embedding a second digital watermark in the second content within a second time-offset; saving a second key in the second content enabling a removal of the second digital watermark; storing the first content and second content from web broadcasting on a computer server; setting viewable permission levels for each user wherein the viewable permission levels are set according to first and second viewable permission levels and a user level comprises first and second user levels wherein the first viewable permission level is viewable by the first user level and the second viewable permission level is viewable by the second user level; detecting the first key from the second content during the second time-offset and detecting the second key from the first content during the first time-offset; the above steps are conducted using a computer while conducting web broadcasting.