A Novel System for Content Protection in Home Environment
نویسندگان
چکیده
This paper presents a novel system that protects digital contents in home environment by embedding both perceptible and imperceptible watermarks into contents. The imperceptible watermark is used for illegal copy detection, usage states management and forensic tracking. The perceptible watermark is deployed for protecting contents from illegal consuming by bothering the performance of playing. Only authorized device with correct rights can remove it and play the contents clearly. The paper also proposes two methods to change usage states carried by the imperceptible watermark in order to support content super-distribution and other business scenarios flexibly.
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