Issued Patents All Time
Showing 26–50 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8170101 | Methods and systems for low-complexity data compression | — | 2012-05-01 |
| 8107751 | DPCM with adaptive range and PCM escape mode | Masayuki Yamaguchi, Akihisa Yamada, Shinichi Maeta | 2012-01-31 |
| 8040957 | Adaptive filtering based upon boundary strength | Shijun Sun, Hiroyuki Katata | 2011-10-18 |
| 8036270 | Intra-frame flicker reduction in video coding | Jie Zhao, Christopher A. Segall | 2011-10-11 |
| 8000390 | Methods and systems for efficient prediction-mode selection | Jie Zhao | 2011-08-16 |
| 7907667 | Adaptive filtering based upon boundary strength | Shijun Sun, Hiroyuki Katata | 2011-03-15 |
| 7876969 | Video decoding with reduced IDCT calculations | Shijun Sun | 2011-01-25 |
| 7787542 | Adaptive filtering based upon boundary strength | Shijun Sun, Hiroyuki Katata | 2010-08-31 |
| 7684639 | Methods and systems for automatic digital image enhancement | Jie Zhao | 2010-03-23 |
| 7684640 | Methods and systems for automatic digital image enhancement with local adjustment | Jie Zhao | 2010-03-23 |
| 7657110 | Image compression using a color visual model | Xiao-fan Feng, Scott Daly, Renjit Tom Thomas | 2010-02-02 |
| 7650036 | System and method for three-dimensional video coding | Shijun Sun | 2010-01-19 |
| 7613240 | Adaptive filtering based upon boundary strength | Shijun Sun, Hiroyuki Katata | 2009-11-03 |
| 7450641 | Adaptive filtering based upon boundary strength | Shijun Sun | 2008-11-11 |
| 7440501 | Method and apparatus for controlling loop filtering or post filtering in block based motion compensationed video coding | Shijun Sun | 2008-10-21 |
| 7440635 | Method for removing ringing artifacts from locations near dominant edges of an image reconstructed after compression | Yap-Peng Tan, Wenjun Zeng | 2008-10-21 |
| 7352812 | Method and apparatus for controlling loop filtering or post filtering in block based motion compensationed video coding | Shijun Sun | 2008-04-01 |
| 7242717 | Wavelet domain motion compensation system | Xin Li, Louis Joseph Kerofsky | 2007-07-10 |
| 7062104 | Distortion-adaptive visual frequency weighting | Wenjun Zeng | 2006-06-13 |
| 7050500 | Method and apparatus for motion vector coding with global motion parameters | Shijun Sun | 2006-05-23 |
| 7035473 | Distortion-adaptive visual frequency weighting | Wenjun Zeng | 2006-04-25 |
| 7006255 | Adaptive image filtering based on a distance transform | Shijun Sun | 2006-02-28 |
| 6931063 | Method and apparatus for controlling loop filtering or post filtering in block based motion compensationed video coding | Shijun Sun | 2005-08-16 |
| 6915019 | Method for combining vector-quantization decoding with color transform or halftoning or both | Renjit Tom Thomas, Uoc H. Nguyen, Chingwei Chang | 2005-07-05 |
| 6807312 | Robust codebooks for vector quantization | Renjit Tom Thomas | 2004-10-19 |