Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7936814 | Cascaded output for an encoder system using multiple encoders | James D. Greenfield, Agnes Y. Ngai, Edward F. Westermann | 2011-05-03 |
| 7738551 | System and method for processing a high definition television (HDTV) image | Agnes Y. Ngai, Robert L. Woodard | 2010-06-15 |
| 7016413 | Adaptively encoding a picture of contrasted complexity having normal video and noisy video portions | Agnes Y. Ngai, Charles Stein, Everett G. Vail, III, Edward F. Westermann | 2006-03-21 |
| 6993078 | Macroblock coding technique with biasing towards skip macroblock coding | Agnes Y. Ngai, John M. Sutton, Edward F. Westermann | 2006-01-31 |
| 6980598 | Programmable vertical filter for video encoding | James D. Greenfield, Agnes Y. Ngai, John M. Sutton | 2005-12-27 |
| 6956899 | Precise bit control apparatus with look-ahead for MPEG encoding | John A. Murdock, Agnes Y. Ngai, Edward F. Westermann | 2005-10-18 |
| 6895048 | Adaptive encoding of a sequence of still frames or partially still frames within motion video | Charles Boice, Agnes Y. Ngai, Charles Stein, Everett G. Vail, III, Edward F. Westermann | 2005-05-17 |
| 6823015 | Macroblock coding using luminance date in analyzing temporal redundancy of picture, biased by chrominance data | Agnes Y. Ngai, John M. Sutton, Edward F. Westermann | 2004-11-23 |
| 6788227 | Apparatus for integrated cascade encoding | Agnes Y. Ngai, Michael Patrick Vachon | 2004-09-07 |
| 6720893 | Programmable output control of compressed data from encoder | James D. Greenfield, Agnes Y. Ngai, Edward F. Westermann | 2004-04-13 |
| 6356589 | Sharing reference data between multiple encoders parallel encoding a sequence of video frames | Charlene Ann Gebler, Agnes Y. Ngai, Michael Patrick Vachon | 2002-03-12 |
| 6269120 | Method of precise buffer management for MPEG video splicing | Charles Boice, Agnes Y. Ngai, Edward F. Westermann | 2001-07-31 |
| 6020934 | Motion estimation architecture for area and power reduction | James D. Greenfield, John A. Murdock, Agnes Y. Ngai, Stephen P. Pokrinchak | 2000-02-01 |
| 5978029 | Real-time encoding of video sequence employing two encoders and statistical analysis | Charles Boice, John M. Kaczmarczyk, Agnes Y. Ngai, Stephen P. Pokrinchak | 1999-11-02 |
| 5844607 | Method and apparatus for scene change detection in digital video compression | Charlene Ann Gebler, Agnes Y. Ngai | 1998-12-01 |
| 5786856 | Method for adaptive quantization by multiplication of luminance pixel blocks by a modified, frequency ordered hadamard matrix | John M. Kaczmarczyk, Agnes Y. Ngai, Robert Leslie Woodward | 1998-07-28 |
| 5760836 | FIFO feedback and control for digital video encoder | James D. Greenfield, John M. Kaczmarczyk, Agnes Y. Ngai | 1998-06-02 |
| 5737020 | Adaptive field/frame encoding of discrete cosine transform | Agnes Y. Ngai, John M. Sutton | 1998-04-07 |
| 5418916 | Central processing unit checkpoint retry for store-in and store-through cache systems | Kevin C. Huang, John D. Jabusch, Agnes Y. Ngai | 1995-05-23 |