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Document Title |
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7254249 |
Embedding location data in video
Digital watermarking technology is used to convey location data for images or objects depicted in video. A digital watermark may associate geovector information with the video or object and areas...
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7249257 |
Digitally watermarked maps and signs and related navigational tools
Maps and signs are embedded with plural-bit data in the form of digital watermarks. In one embodiment, the plural-bit data includes location information with respect to a map. A handheld reading...
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7197160 |
Geographic information systems using digital watermarks
The present invention relates to systems and methods for managing images and related information. In one implementation, geographic information system (GIS) layer information is registered or...
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7184572 |
Using steganographic encoded information with maps
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...
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