Patent ID: 8565472
Filing Date: 2013-10-22
Classification: G06T

Abstract:
1. A device for embedding multimedia content with additional information, comprising: an encoder configured to transform at least a portion of the multimedia content into a plurality of blocks represented by a plurality of coefficients; a block selector coupled to the encoder and configured to select at least one block of the plurality of blocks to be embedded with additional information; a coefficient selector coupled to the block selector and configured for selecting at least one coefficient within a selected block to be embedded with additional information; and an inserter coupled to the coefficient selector and configured to insert additional information into the selected coefficients of the selected blocks of the multimedia content, wherein the additional information includes a first portion of additional information and at least one second portion of additional information, and wherein the inserter inserts the first portion of additional information into at least a portion of a first selected coefficient within a selected block and inserts the at least one second portion of additional information into at least a portion of at least one second coefficient within the selected block; and wherein at least one of the block selector selects which blocks are to be embedded with additional information based on the values of the plurality of coefficients and the coefficient selector selects which coefficients within a selected block are to be embedded with additional information based on the values of the plurality of coefficients.