Scalable protection and access control in full scalable video coding
IWDW'06 Proceedings of the 5th international conference on Digital Watermarking
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IEEE Transactions on Circuits and Systems for Video Technology
Context-based adaptive binary arithmetic coding in the H.264/AVC video compression standard
IEEE Transactions on Circuits and Systems for Video Technology
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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.