Issued Patents All Time
Showing 25 most recent of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5414423 | Stabilization of probability estimates by conditioning on prior decisions of a given context | — | 1995-05-09 |
| 5293434 | Technique for use in a transform coder for imparting robustness to compressed image data through use of global block transformations | Ephraim Feig, Keith S. Pennington | 1994-03-08 |
| 5157488 | Adaptive quantization within the JPEG sequential mode | — | 1992-10-20 |
| 5103763 | Apparatus for formation and electrostatic deposition of charged droplets | Michael P. Goldowsky | 1992-04-14 |
| 5099440 | Probability adaptation for arithmetic coders | Joan LaVerne Mitchell | 1992-03-24 |
| 5066512 | Electrostatic deposition of LCD color filters | Michael P. Goldowsky | 1991-11-19 |
| 5045852 | Dynamic model selection during data compression | Joan LaVerne Mitchell, Jorma J. Rissanen | 1991-09-03 |
| 4965677 | Compression of binary halftones | Karen L. Anderson, Joan LaVerne Mitchell | 1990-10-23 |
| 4935882 | Probability adaptation for arithmetic coders | Joan LaVerne Mitchell | 1990-06-19 |
| 4933883 | Probability adaptation for arithmetic coders | Joan LaVerne Mitchell | 1990-06-12 |
| 4905297 | Arithmetic coding encoder and decoder system | Glen G. Langdon, Jr., Joan LaVerne Mitchell, Jorma J. Rissanen | 1990-02-27 |
| 4891643 | Arithmetic coding data compression/de-compression by selectively employed, diverse arithmetic coding encoders and decoders | Joan LaVerne Mitchell | 1990-01-02 |
| 4885786 | Method for enlarging an image stored in run representation form | Karen L. Anderson, Keith S. Pennington | 1989-12-05 |
| 4885576 | Soft copy display of facsimile images | Joan LaVerne Mitchell, Frederick C. Mintzer | 1989-12-05 |
| 4870695 | Compression and de-compression of column-interlaced, row-interlaced graylevel digital images | Cesar A. Gonzales, Joan LaVerne Mitchell | 1989-09-26 |
| 4799105 | Modified technique for suppression of flicker in interlaced video images | Joan LaVerne Mitchell | 1989-01-17 |
| 4791403 | Log encoder/decorder system | Joan LaVerne Mitchell, Gerald Goertzel | 1988-12-13 |
| 4785356 | Apparatus and method of attenuating distortion introduced by a predictive coding image compressor | Cesar A. Gonzales | 1988-11-15 |
| 4725885 | Adaptive graylevel image compression system | Cesar A. Gonzales, Joan LaVerne Mitchell | 1988-02-16 |
| 4695884 | Correction of shading effects in video images | Dimitris Anastassiou | 1987-09-22 |
| 4656665 | Thresholding technique for graphics images using histogram analysis | — | 1987-04-07 |
| 4646356 | Method for converting a bit map of an image to a run length or run end representation | Karen L. Anderson, Joan LaVerne Mitchell, Gerald Goertzel | 1987-02-24 |
| 4558370 | Image processing method for graphics images | Joan LaVerne Mitchell | 1985-12-10 |
| 4532503 | Sequence controlled pixel configuration | — | 1985-07-30 |
| 4532651 | Data filter and compression apparatus and method | Keith S. Pennington | 1985-07-30 |