发明名称 |
Using steganographic encoded information with maps |
摘要 |
A map depicts a plurality of different locations. Steganographic encoding is embebbed in first and second map areas. Steganographic encoding in each area conveys an identifier that is associated with its respective map area. Different encoded identifiers are used to link to information pertaining various different locations depicted in the map.
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申请公布号 |
US7184572(B2) |
申请公布日期 |
2007.02.27 |
申请号 |
US20050145514 |
申请日期 |
2005.06.03 |
申请人 |
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发明人 |
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分类号 |
G06K9/00;G01C11/00;G01C13/00;G06K15/00;G06K19/06;G06T1/00;H04L9/00 |
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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