Xuan; Guorong

Patent Applications and Registrations

Patent applications and USPTO patent grants for Xuan; Guorong.The latest application filed is for "image retrieval and authentication using enhanced expectation maximization (eem)".

Company Profile

0.12.12

Xuan; Guorong - Shanghai N/A CN

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Image retrieval and authentication using enhanced expectation maximization (EEM) Grant 9,158,791 - Xuan , et al. October 13, 2	2015-10-13
Image Retrieval And Authentication Using Enhanced Expectation Maximization (eem) App 20140355880 - Xuan; Guorong ; et al.	2014-12-04
System and method for reversible binary image data hiding using run-length histogram modification and logical operations Grant 8,270,665 - Xuan , et al. September 18, 2	2012-09-18
Data hiding with wavelet transform histogram shifting Grant 8,260,065 - Shi , et al. September 4, 2	2012-09-04
Reversible data hiding Grant 8,175,324 - Xuan , et al. May 8, 2	2012-05-08
Apparatus and method for reversible data hiding for JPEG images Grant 7,974,477 - Shi , et al. July 5, 2	2011-07-05
Methods and apparatus for lossless data hiding Grant 7,826,638 - Shi , et al. November 2, 2	2010-11-02
Apparatus and method for steganalysis Grant 7,783,074 - Shi , et al. August 24, 2	2010-08-24
Method for identifying marked content, such as by using a class-wise non-principal component approach Grant 7,738,709 - Shi , et al. June 15, 2	2010-06-15
System and method for reversible data hiding based on integer wavelet spread spectrum Grant 7,706,566 - Shi , et al. April 27, 2	2010-04-27
Reversible Data Hiding App 20100098287 - Xuan; Guorong ; et al.	2010-04-22
System And Method For Reversible Binary Image Data Hiding Using Run-length Histogram Modification And Logical Operations App 20090196500 - Shi; Yun-Qing ; et al.	2009-08-06
Apparatus And Method For Steganalysis App 20090154797 - Shi; Yun-Qing ; et al.	2009-06-18
System and method for steganalysis Grant 7,496,210 - Shi , et al. February 24, 2	2009-02-24
Methods And Apparatus For Lossless Data Hiding App 20080285793 - Shi; Yun Qing ; et al.	2008-11-20
Appratus And Method For Reversible Data Hiding For Jpeg Images App 20080199093 - Shi; Yun-Qing ; et al.	2008-08-21
Methods and apparatus for lossless data hiding Grant 7,356,158 - Shi , et al. April 8, 2	2008-04-08
Data hiding with wavelet transform histogram shifting App 20080002851 - Shi; Yun Q. ; et al.	2008-01-03
Method for identifying marked content, such as by using a class-wise non-principal component approach App 20070270978 - Shi; Yun-Qing ; et al.	2007-11-22
System and method for steganalysis App 20060257018 - Shi; Yun-Qing ; et al.	2006-11-16
Methods and apparatus for lossless data hiding App 20060126890 - Shi; Yun-Qing ; et al.	2006-06-15
System and method for lossless data hiding using the integer wavelet transform App 20060120558 - Shi; Yun-Qing ; et al.	2006-06-08
System and method for reversible data hiding based on integer wavelet spread spectrum App 20050244032 - Shi, Yun-Qing ; et al.	2005-11-03

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