Digital copyright protection has gained more and more attention with a wide customer group in recent years. Digital content service based on copyright protection is seemed as a useful solution for the service industry. The lack of optimized copyright protection technology is a key issue for digital content service industry. Currently, watermarking, encryption and digital signature authentication are commonly used in this area. Our research focused on watermarking algorithm, copyright protection system and efficient data retrieval design etc.
(Sources of Funding: National Key Technology Support Program)