Issued Patents All Time
Showing 25 most recent of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8488915 | Automatic video quality measurement system and method based on spatial-temporal coherence metrics | Nitin Suresh | 2013-07-16 |
| 8331436 | Expert system and method for elastic encoding of video according to regions of interest | Sira P. Rao | 2012-12-11 |
| 7155067 | Adaptive edge detection and enhancement for image processing | Seong Hwan Jang, Janghyun Yoon | 2006-12-26 |
| 6144935 | Tunable perceptual weighting filter for tandem coders | Juin-Hwey Chen, Richard Vandervoort Cox | 2000-11-07 |
| 5999566 | Method and apparatus for providing error-tolerant communication of information | Jeffrey C. Lagarias | 1999-12-07 |
| 5933151 | Simulated natural movement of a computer-generated synthesized talking head | Jialin Zhong | 1999-08-03 |
| 5892775 | Method and apparatus for providing error-tolerant storage of information | Jeffrey C. Lagarias | 1999-04-06 |
| 5850294 | Method and apparatus for post-processing images | John G. Apostolopoulos | 1998-12-15 |
| 5828413 | Method and apparatus for image processing using model-based localized quantization | Moshe Porat | 1998-10-27 |
| 5825976 | Device and method for efficient utilization of allocated transmission medium bandwidth | Sean M. Dorward, James David Johnston, Schuyler Reynier Quackenbush, Kenneth Lane Thompson | 1998-10-20 |
| 5826227 | Hiding a source identifier within a signal | — | 1998-10-20 |
| 5724482 | Smart tray for audio player | Anthony J. Grewe, Kevin A. Shelby, Howard M. Singer | 1998-03-03 |
| 5694519 | Tunable post-filter for tandem coders | Juin-Hwey Chen, Richard Vandervoort Cox | 1997-12-02 |
| 5661718 | Simultaneous analog and digital communication | Gordon Bremer, Kenneth D. Ko, Nambirajan Seshadri, Luke J. Smithwick | 1997-08-26 |
| 5559900 | Compression of signals for perceptual quality by selecting frequency bands having relatively high energy | Robert J. Safranek | 1996-09-24 |
| 5473384 | Method of and system for enhancing distorted graphical information | Tsann-Shyong Liu | 1995-12-05 |
| 5463641 | Tailored error protection | Sean M. Dorward, James David Johnston, Schuyler Reynier Quackenbush, Nambirajan Seshadri, Carl-Erik Wilhelm Sundberg | 1995-10-31 |
| 5371544 | Geometric vector quantization | Arnaud Jacquin, Christine Podilchuk | 1994-12-06 |
| 5136374 | Geometric vector quantization | Christine Podilchuk | 1992-08-04 |
| 4791654 | Resisting the effects of channel noise in digital transmission of information | Jose R. B. De Marca | 1988-12-13 |
| 4726037 | Predictive communication system filtering arrangement | — | 1988-02-16 |
| 4617676 | Predictive communication system filtering arrangement | Venkatasubbarao Ramamoorthy | 1986-10-14 |
| 4551580 | Time-frequency scrambler | Richard Vandervoort Cox | 1985-11-05 |
| 4513426 | Adaptive differential pulse code modulation | — | 1985-04-23 |
| 4375581 | Digital transmission error reduction | — | 1983-03-01 |