Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6005981 | Quadtree-structured coding of color images and intra-coded images | Hak-Leong Ng | 1999-12-21 |
| 5991455 | Hashing-based vector quantization | Chang Choo | 1999-11-23 |
| 5832131 | Hashing-based vector quantization | Chang Choo | 1998-11-03 |
| 5768434 | Quadtree-structured walsh transform coding | — | 1998-06-16 |
| 5768533 | Video coding using segmented frames and retransmission to overcome channel errors | — | 1998-06-16 |
| 5706059 | Motion estimation using a hierarchical search | Michael van Scherrenburg | 1998-01-06 |
| 5654702 | Syntax-based arithmetic coding for low bit rate videophone | — | 1997-08-05 |
| 5644361 | Subsampled frame storage technique for reduced memory size | Michael Van Scherrenburg | 1997-07-01 |
| 5627601 | Motion estimation with bit rate criterion | Michael van Scherrenburg | 1997-05-06 |
| 5587710 | Syntax based arithmetic coder and decoder | Chang Choo, Christine A. Porter, Mohammad R. Motamedi | 1996-12-24 |
| 5581302 | Subsampled frame storage technique for reduced memory size | Michael van Scherrenburg | 1996-12-03 |
| 5446806 | Quadtree-structured Walsh transform video/image coding | Micheal Anthonius van Scherrenburg | 1995-08-29 |