| 发明名称 |
Image capture and marking |
| 摘要 |
A digital image is scanned to generate image data, which is processed to steganographically embed plural-bit auxiliary data. The system is useful, e.g., for capturing and marking digital images without noticeably changing their visual appearance.
|
| 申请公布号 |
US6614915(B2) |
申请公布日期 |
2003.09.02 |
| 申请号 |
US20020172353 |
申请日期 |
2002.06.13 |
| 申请人 |
DIGIMARC CORPORATION |
发明人 |
POWELL ROBERT D.;NITZBERG MARK J. |
| 分类号 |
G06T1/00;G06T7/00;G06T9/00;G07D7/00;G07D7/12;G07D7/20;G07F7/12;G09C5/00;H04N1/32;H04N1/387;H04N1/40;H04N7/08;H04N7/081;H04N7/26;(IPC1-7):H04K1/00 |
主分类号 |
G06T1/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
