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Efficient Fully Format Compliant Selective Scrambling Methods for Compressed Video Streams
Sharif University of Technology, Tehran, Iran .
Sharif University of Technology, Tehran, Iran .
Sharif University of Technology, Tehran, Iran .
2006 (Engelska)Ingår i: Proceedings of the Advanced International Conference on Telecommunications and International Conference on Internet and Web Applications and Services, AICT/ICIW'06, 2006, s. 42-Konferensbidrag, Publicerat paper (Refereegranskat)
Abstract [en]

Format compliance, a desirable feature of multimedia security systems, means that the secured bitstream resembles the unprotected compressed bitstream. It is called full format compliance, if the scrambled stream can be decoded by a typical decoder. In this paper, we address the issues that are to be carefully taken into account to develop efficient fully format compliant scrambling methods for compressed video. We also propose new selective scrambling methods for securing compressed video streams. The security issues, in different parts of these scrambling methods, are analyzed and their impact on bit-rate and complexity is discussed. We show that our scrambling methods provide significantly higher security and full format compliance, while having less impact on bit-rate and encoding/decoding complexity, as compared to existing semi-format compliant scrambling methods. The proposed techniques are integrated into the baseline mode of H.263 low bit-rate video coding standard.

Ort, förlag, år, upplaga, sidor
2006. s. 42-
Nyckelord [en]
Bit error rate, Computational complexity, Data transfer, Encoding (symbols), Image compression
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Datavetenskap (datalogi)
Identifikatorer
URN: urn:nbn:se:kth:diva-71078DOI: 10.1109/AICT-ICIW.2006.88ISBN: 978-076952522-8 (tryckt)OAI: oai:DiVA.org:kth-71078DiVA, id: diva2:486500
Konferens
Advanced International Conference on Telecommunications andInternational Conference on Internet and Web Applications and Services, AICT/ICIW'06; Guadelope; 19 February 2006 through 25 February 2006
Anmärkning
QC 20120203Tillgänglig från: 2012-01-30 Skapad: 2012-01-30 Senast uppdaterad: 2018-01-12Bibliografiskt granskad

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Khazaei, Shahram
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