Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6112219 | Method and apparatus for performing fast discrete cosine transforms and fast inverse discrete cosine transforms using look-up tables | Staffan Ericsson | 2000-08-29 |
| 5917954 | Image signal coder operating at reduced spatial resolution | Staffan Ericsson | 1999-06-29 |
| 5854858 | Image signal coder operating at reduced spatial resolution | Staffan Ericsson | 1998-12-29 |
| 5822003 | Method and apparatus for performing fast reduced coefficient discrete cosine transforms | Staffan Ericsson | 1998-10-13 |
| 5818972 | Method and apparatus for enhancing images using helper signals | Edward H. Adelson | 1998-10-06 |
| 5809139 | Watermarking method and apparatus for compressed digital video | Frank Hartung | 1998-09-15 |
| 5712809 | Method and apparatus for performing fast reduced coefficient discrete cosine transforms | Staffan Ericsson | 1998-01-27 |
| 5689592 | Parallel processing of digital signals in a single arithmetic/logic unit | Staffan Ericsson, John E. Bruder | 1997-11-18 |
| 5565931 | Method and apparatus for applying gamma predistortion to a color image signal | — | 1996-10-15 |
| 5155594 | Hierarchical encoding method and apparatus employing background references for efficiently communicating image sequences | Jeffrey Bernstein, Xiancheng Yuan | 1992-10-13 |
| 5150209 | Hierarchical entropy coded lattice threshold quantization encoding method and apparatus for image and video compression | Richard L. Baker, Jeffrey Bernstein, Xiancheng Yuan, Edmund Thompson | 1992-09-22 |
| 5003166 | Multidimensional range mapping with pattern projection and cross correlation | — | 1991-03-26 |
| 4965442 | System for ascertaining direction of blur in a range-from-defocus camera | Edward H. Adelson | 1990-10-23 |