Issued Patents All Time
Showing 51–72 of 72 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7688996 | Adaptive prediction filtering for digital watermarking | — | 2010-03-30 |
| 7668334 | Conditioning imagery to better receive steganographic encoding | Alastair M. Reed | 2010-02-23 |
| 7607016 | Including a metric in a digital watermark for media authentication | Hugh L. Brunk, Brett T. Hannigan | 2009-10-20 |
| 7602978 | Deriving multiple identifiers from multimedia content | Kenneth L. Levy, Brett T. Hannigan, Geoffrey B. Rhoads | 2009-10-13 |
| 7519819 | Layered security in digital watermarking | Brett T. Hannigan, John Kennedy Barr | 2009-04-14 |
| 7483547 | Perceptual modeling of media signals for data hiding | Brett T. Hannigan, Alastair M. Reed | 2009-01-27 |
| 7460726 | Integrating steganographic encoding in multimedia content | Kenneth L. Levy, Brett T. Hannigan, Geoffrey B. Rhoads | 2008-12-02 |
| 7412072 | Variable message coding protocols for encoding auxiliary data in media signals | Ravi K. Sharma, Geoffrey B. Rhoads | 2008-08-12 |
| 7376242 | Quantization-based data embedding in mapped data | John Stach | 2008-05-20 |
| 7346184 | Processing methods combining multiple frames of image data | J. Scott Carr, Geoffrey B. Rhoads | 2008-03-18 |
| 7302574 | Content identifiers triggering corresponding responses through collaborative processing | William Y. Conwell, Geoffrey B. Rhoads | 2007-11-27 |
| 7261612 | Methods and systems for read-aloud books | Brett T. Hannigan, Burt Perry, Tony F. Rodriguez | 2007-08-28 |
| 7231061 | Adaptive prediction filtering for digital watermarking | — | 2007-06-12 |
| 7224819 | Integrating digital watermarks in multimedia content | Kenneth L. Levy, Brett T. Hannigan, Geoffrey B. Rhoads | 2007-05-29 |
| 7088844 | Perceptual modeling of media signals based on local contrast and directional edges | Brett T. Hannigan, Alastair M. Reed | 2006-08-08 |
| 6993153 | Self-orienting watermarks | — | 2006-01-31 |
| 6975745 | Synchronizing watermark detectors in geometrically distorted signals | — | 2005-12-13 |
| 6721440 | Low visibility watermarks using an out-of-phase color | Alastair M. Reed | 2004-04-13 |
| 6633654 | Perceptual modeling of media signals based on local contrast and directional edges | Brett T. Hannigan, Alastair M. Reed | 2003-10-14 |
| 6631198 | Perceptual modeling of media signals based on local contrast and directional edges | Brett T. Hannigan, Alastair M. Reed | 2003-10-07 |
| 6625297 | Self-orienting watermarks | — | 2003-09-23 |
| 6535617 | Removal of fixed pattern noise and other fixed patterns from media signals | Brett T. Hannigan, Geoffrey B. Rhoads | 2003-03-18 |