Patent Portfolio

CONTENT AUTHENTICATION AND RECOVERY USING DIGITAL WATERMARKS

7,389,420

METHODS AND SYSTEMS FOR INTERACTING WITH PRINTED ARTICLES, SUCH AS POSTERS

7,377,421

QUANTIZATION-BASED DATA EMBEDDING IN MAPPED DATA

7,376,242

TRANSMARKING OF MULTIMEDIA SIGNALS

7,373,513

CONTENT INDEXING AND SEARCHING USING CONTENT IDENTIFIERS AND ASSOCIATED METADATA

7,372,976

DATA PROCESSING SYSTEMS AND METHODS

7,370,190

ROUTING NETWORKS FOR USE WITH CONTENT LINKING SYSTEMS

7,369,676

DIGITAL WATERMARKING WITH CONTENT DEPENDENT KEYS AND AUTOCORRELATION PROPERTIES FOR SYNCHRONIZATION

7,366,908

SUBSTITUTING OBJECTS BASED ON STEGANOGRAPHIC ENCODING

7,362,879

HUMAN PERCEPTUAL MODEL APPLIED TO RENDERING OF WATERMARKED SIGNALS

7,352,878

CONNECTED AUDIO AND OTHER MEDIA OBJECTS

7,349,552

AUTHENTICATING MEDIA SIGNALS BY ADJUSTING FREQUENCY CHARACTERISTICS TO REFERENCE VALUES

7,346,776

PROCESSING METHODS COMBINING MULTIPLE FRAMES OF IMAGE DATA (as amended)

7,346,184

CONNECTED AUDIO AND OTHER MEDIA OBJECTS

7,333,957

DIGITAL WATERMARKING APPARATUS AND METHODS

7,330,564

WATERMARKING IN THE TIME-FREQUENCY DOMAIN

7,330,562

DATA HIDING THROUGH ARRANGEMENT OF OBJECTS

7,321,667

WAVELET DOMAIN WATERMARKS

7,319,775

METHODS AND TANGIBLE OBJECTS EMPLOYING MACHINE READABLE DATA IN PHOTO-REACTIVE MATERIALS

7,313,253

METHODS AND TANGIBLE OBJECTS EMPLOYING MACHINE READABLE DATA

7,305,117

AUTHENTICATION OF IDENTIFICATION DOCUMENTS USING DIGITAL WATERMARKS

7,305,104

CONTENT IDENTIFIERS TRIGGERING CORRESPONDING RESPONSES THROUGH COLLABORATIVE PROCESSING

7,302,574

DIGITAL WATERMARKS AS A GATEWAY AND CONTROL MECHANISM

7,298,864

METHOD, APPARATUS AND PROGRAMS FOR GENERATING AND UTILIZING CONTENT SIGNATURES

7,289,643

HALFTONE WATERMARKING AND RELATED APPLICATIONS

7,286,685