Issued Patents All Time
Showing 25 most recent of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11996883 | Method and device for recovering sub-signals from composite signal of blind source | Ka Luen Fung, Herman C. Chui | 2024-05-28 |
| 8270469 | Encoding video at multiple resolution levels | Haishan Wang | 2012-09-18 |
| 8238419 | Displaying video at multiple resolution levels | Haishan Wang, Dongfang Shi | 2012-08-07 |
| 7570832 | Image clean-up and pre-coding | Jianzhong Wang | 2009-08-04 |
| 7206451 | Multi-resolution image data management system and method based on tiled wavelet-like transform and distinct bitstreams for distinct groups of bit planes | Hong Gao, Lefan Zhong | 2007-04-17 |
| 7174020 | System and method for real-time secure communication based on multi-level transform and encryption | — | 2007-02-06 |
| 7162080 | Graphic image re-encoding and distribution system and method | Haishan Wang | 2007-01-09 |
| 6978049 | Multi-resolution image data management system and method based on tiled wavelet-like transform and sparse data coding | Hong Gao, Lefan Zhong | 2005-12-20 |
| 6904176 | System and method for tiled multiresolution encoding/decoding and communication with lossless selective regions of interest via data reuse | Haishan Wang | 2005-06-07 |
| 6898288 | Method and system for secure key exchange | — | 2005-05-24 |
| 6873343 | Scalable graphics image drawings on multiresolution image with/without image data re-usage | — | 2005-03-29 |
| 6807308 | Multi-resolution image data management system and method based on tiled wavelet-like transform and sparse data coding | Hong Gao, Lefan Zhong | 2004-10-19 |
| 6600838 | System and method for performing wavelet and inverse wavelet transformations of digital data using semi-orthogonal wavelets | — | 2003-07-29 |
| 6587507 | System and method for encoding video data using computationally efficient adaptive spline wavelets | Lefan Zhong | 2003-07-01 |
| 6549674 | Image compression based on tiled wavelet-like transform using edge and non-edge filters | Hong Gao, Lefan Zhong | 2003-04-15 |
| 6496608 | Image data interpolation system and method | — | 2002-12-17 |
| 6411305 | Image magnification and selective image sharpening system and method | — | 2002-06-25 |
| 6407747 | Computer screen image magnification system and method | Haishan Wang | 2002-06-18 |
| 6389160 | Hybrid wavelet and JPEG system and method for compression of color images | Haishan Wang | 2002-05-14 |
| 6347157 | System and method for encoding a video sequence using spatial and temporal transforms | — | 2002-02-12 |
| 6343155 | Memory saving wavelet-like image transform system and method for digital camera and other memory conservative applications | Lefan Zhong | 2002-01-29 |
| 6275619 | System and method for performing wavelet and inverse wavelet transformations of digital data using semi-orthogonal wavelets | — | 2001-08-14 |
| 6246797 | Picture and video storage management system and method | Jon Castor | 2001-06-12 |
| 6236762 | System and method for unified DCT and wavelet data coding | Lefan Zhong, James M. Spring, Rongxiang Yi | 2001-05-22 |
| 6229926 | Memory saving wavelet-like image transform system and method for digital camera and other memory conservative applications | Lefan Zhong | 2001-05-08 |