发明名称 |
Embedding information in document blank space |
摘要 |
A method for embedding information in a document includes encoding information as a plurality of data carrying dot patterns. For each of a plurality of blocks of a document page to be rendered, the method includes determining whether the block is blank. Each of the plurality of data carrying dot patterns is embedded in a respective one of the blank blocks. The document with the embedded data carrying dot patterns is rendered. |
申请公布号 |
US8224019(B2) |
申请公布日期 |
2012.07.17 |
申请号 |
US20070751665 |
申请日期 |
2007.05.22 |
申请人 |
FAN ZHIGANG;ESCHBACH REINER;XEROX CORPORATION |
发明人 |
FAN ZHIGANG;ESCHBACH REINER |
分类号 |
G06K9/00 |
主分类号 |
G06K9/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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