| 发明名称 | Steganographic encoding and decoding | ||
| 摘要 | This patent document relates generally to steganography and digital watermarking. One claim recites a method of encoding auxiliary information in an image or video comprising: determining watermark tweaks for attributes of image or video samples to encode auxiliary information in the image or video; and, using a programmed electronic processor, altering color values of the image or video samples to convey the watermark tweaks. The altering alters color values based at least in part on both: i) visibility of color value alterations, and ii) anticipated watermark detection. Of course, other claims and combinations are provided too. | ||
| 申请公布号 | US8908908(B2) | 申请公布日期 | 2014.12.09 |
| 申请号 | US201313936766 | 申请日期 | 2013.07.08 |
| 申请人 | Digimarc Corporation | 发明人 | Reed Alastair M.;Sharma Ravi K.;Rodriguez Tony F. |
| 分类号 | G06T1/00;H04N1/32 | 主分类号 | G06T1/00 |
| 代理机构 | Digimarc Corporation | 代理人 | Digimarc Corporation |
| 主权项 | 1. A method of encoding auxiliary information in an image or video comprising: determining watermark tweaks for attributes of image or video samples to encode auxiliary information in the image or video; and using a programmed electronic processor, altering color values of the image or video samples to convey the watermark tweaks, said altering alters color values based at least in part on both: i) visibility of color value alterations, andii) anticipated watermark detection. | ||
| 地址 | Beaverton OR US | ||