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Industry design map is one of the most important digital assets for the designer and company. However, industry design maps are usually used for unintended purposes by the dishonest customer. In recent, piracy of industry design map becomes increasingly rampant as the dishonest customer can easily duplicate, modify and redistribute it. How to protect the costly industry design map from unauthorized using has become increasingly critical, especially considering the ease of manipulating digital map and open Internet environment. This paper proposed an efficient copyright protection scheme based on digital fingerprinting technology. Before sending the industry design map to a customer for previewing, the designer embeds a unique identification mark called digital fingerprinting into the distributed industry design map.
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