Issued Patents All Time
Showing 1–25 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11297346 | Motion-compensated compression of dynamic voxelized point clouds | Philip A. Chou | 2022-04-05 |
| 10694210 | Scalable point cloud compression with transform, and corresponding decompression | Philip A. Chou | 2020-06-23 |
| 10262451 | View-dependent color compression | Philip A. Chou, Xiang-Ping Zhang, Ming-Ting Sun | 2019-04-16 |
| 10223810 | Region-adaptive hierarchical transform and entropy coding for point cloud compression, and corresponding decompression | Philip A. Chou | 2019-03-05 |
| 7627761 | System for authentication of JPEG image data | — | 2009-12-01 |
| 7590298 | Decompression with reduced ringing artifacts | Zhigang Fan, Reiner Eschbach, Shen-Ge Wang | 2009-09-15 |
| 7493489 | System and method for authentication of JPEG image data | — | 2009-02-17 |
| 7391901 | Method for embedding color image information into a black-and-white image | Karen M. Braun | 2008-06-24 |
| 7360093 | System and method for authentication of JPEG image data | — | 2008-04-15 |
| 7313696 | Method for authentication of JPEG image data | — | 2007-12-25 |
| 7215817 | System and method for digital watermarking in a calibrated printing path | Robert P. Loce, Karen M. Braun, Raja Bala | 2007-05-08 |
| 7187805 | Maximum likelihood estimation of JPEG quantization values | Zhigang Fan | 2007-03-06 |
| 7106901 | Method and apparatus for image classification | — | 2006-09-12 |
| 7070252 | System and method for digital watermarking in a calibrated printing path | Robert P. Loce, Karen M. Braun, Raja Bala | 2006-07-04 |
| 6954287 | Gamut mapping preserving local luminance differences with adaptive spatial filtering | Thyagarajan Balasubramanian, Reiner Eschbach, Wencheng Wu | 2005-10-11 |
| 6795211 | Resolution enhancement of compressed image data | Reiner Eschbach | 2004-09-21 |
| 6778707 | Method for decompressing JPEG files using a variable block size inverse discrete cosine transform | — | 2004-08-17 |
| 6778301 | Fast preview of CCITT-compressed documents | Reiner Eschbach | 2004-08-17 |
| 6738524 | Halftone detection in the wavelet domain | — | 2004-05-18 |
| 6707938 | Principal axis look-up for color correction | Thyagarajan Balasubramanian | 2004-03-16 |
| 6683994 | HVQ-based filtering method | Patrick A. Fleckenstein | 2004-01-27 |
| 6646762 | Gamut mapping preserving local luminance differences | Thyagarajan Balasubramanian, Karen M. Braun, Reiner Eschbach | 2003-11-11 |
| 6611626 | Method of compressing JPEG files using a conditional transform | — | 2003-08-26 |
| 6563955 | Method and apparatus for analyzing image data to use multiple transforms for enhanced image data transmission | — | 2003-05-13 |
| 6385342 | Blocking signature detection for identification of JPEG images | — | 2002-05-07 |