Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9158791 | Image retrieval and authentication using enhanced expectation maximization (EEM) | Yun-Qing Shi | 2015-10-13 |
| 8270665 | System and method for reversible binary image data hiding using run-length histogram modification and logical operations | Yun-Qing Shi | 2012-09-18 |
| 8260065 | Data hiding with wavelet transform histogram shifting | Yun-Qing Shi | 2012-09-04 |
| 8175324 | Reversible data hiding | Yun-Qing Shi | 2012-05-08 |
| 7974477 | Apparatus and method for reversible data hiding for JPEG images | Yun-Qing Shi | 2011-07-05 |
| 7826638 | Methods and apparatus for lossless data hiding | Yun-Qing Shi | 2010-11-02 |
| 7783074 | Apparatus and method for steganalysis | Yun-Qing Shi | 2010-08-24 |
| 7738709 | Method for identifying marked content, such as by using a class-wise non-principal component approach | Yun-Qing Shi | 2010-06-15 |
| 7706566 | System and method for reversible data hiding based on integer wavelet spread spectrum | Yun-Qing Shi | 2010-04-27 |
| 7496210 | System and method for steganalysis | Yun-Qing Shi | 2009-02-24 |
| 7356158 | Methods and apparatus for lossless data hiding | Yun-Qing Shi | 2008-04-08 |