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Scalable Security and Conditional Access Control for Multiple Regions of Interest in Scalable Video Coding

  • Yeongyun Kim
  • Sung Ho Jin
  • Yong Man Ro
Part of the Lecture Notes in Computer Science book series (LNCS, volume 5041)

Abstract

In this paper, we propose an encryption method to secure the multiple regions of interest (ROIs) of scalable video coding (SVC) bitstream from malicious attacks and a key generation scheme to control the protected ROIs conditionally. To establish the encryption method, we analyze the encryption requirements to maintain spatial, temporal, and SNR scalability of SVC. Depending on the given user’s condition such as the status of the payment, the proposed conditional access control provides keys to access various types of the secured scalable videos ranging from the lowest to the highest quality. Since the conditional access control needs multiple ROIs as secured videos, the key generation scheme should support the multiple ROIs that are secured with the proposed encryption method. Experiments are performed to verify the proposed methods and results show that the proposed schemes could provide an effective access control of the secured multiple ROIs in SVC.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2008

Authors and Affiliations

  • Yeongyun Kim
    • 1
  • Sung Ho Jin
    • 1
  • Yong Man Ro
    • 1
  1. 1.Image and Video Systems LaboratoryInformation and Communications UniversityDeajeonKorea

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