发明名称 |
Method of embedding watermark into digital image |
摘要 |
Methods of embedding and detecting a watermark into-from a digital image are disclosed. A method of embedding a watermark in accordance with an embodiment of the present invention into a digital image, the method comprising: generating a difference from an original image; segmenting said difference image into sub-regions; and calculating a watermark block into each sub-region by adding said watermark block with pixel values of each sub-region.
|
申请公布号 |
US7697717(B2) |
申请公布日期 |
2010.04.13 |
申请号 |
US20060405608 |
申请日期 |
2006.04.18 |
申请人 |
LG ELECTRONICS INC. |
发明人 |
MAYBORODA ALEXANDER LEONIDOVICH;SMOLENTSEV SERGEY V.;SALL MIKHAIL A.;REDKOV VIKTOR V.;TIKHOTSKY ANATOLI I. |
分类号 |
G06K9/00;G11B20/10;G06T1/00 |
主分类号 |
G06K9/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|