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dc.contributor.authorChang, FCen_US
dc.contributor.authorHuang, HCen_US
dc.contributor.authorHang, HMen_US
dc.date.accessioned2014-12-08T15:25:24Z-
dc.date.available2014-12-08T15:25:24Z-
dc.date.issued2005en_US
dc.identifier.isbn0-7803-8834-8en_US
dc.identifier.issn0271-4302en_US
dc.identifier.urihttp://hdl.handle.net/11536/17793-
dc.description.abstractIntellectual Property (IP) protection is a critical element in multimedia transmission and delivery systems. Conventional IP protection can be categorized into encryption and watermarking. In this paper, a structure to perform layered access control of scalable media by combining encryption and robust watermarking is proposed and implemented. By taking advantages of the nature of both encryption and watermarking, copyrights of multimedia contents can be well protected. In the summated example, we assume a scalable transmission scheme over the broadcasting environment and test the effectiveness of proposed method. Embedded watermark can be extracted with high confidence. Then, the next temporal-layer keys can be perfectly decrypted and reconstructed. Finally, the media contents are recovered and the copyrights are assured.en_US
dc.language.isoen_USen_US
dc.titleLayered access control schemes on watermarked scalable mediaen_US
dc.typeProceedings Paperen_US
dc.identifier.journal2005 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS (ISCAS), VOLS 1-6, CONFERENCE PROCEEDINGSen_US
dc.citation.spage4983en_US
dc.citation.epage4986en_US
dc.contributor.department電子工程學系及電子研究所zh_TW
dc.contributor.departmentDepartment of Electronics Engineering and Institute of Electronicsen_US
dc.identifier.wosnumberWOS:000232002404202-
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