NDLI: An efficient video encryption scheme for H.264 compressed bitstream

Content Provider	IEEE Xplore Digital Library
Author	Niansheng Mao Li Zhuo Xiaoguang Li Jing Zhang
Copyright Year	2011
Description	Author affiliation: Signal & Inf. Process. Lab., Beijing Univ. of Technol., Beijing, China (Niansheng Mao; Li Zhuo; Xiaoguang Li; Jing Zhang)
Abstract	In this paper, the bit-sensitivity of H.264 bitstream has been studied firstly, to determine the most significant bits for video reconstruction. On this basis, an efficient video encryption scheme in H.264 compressed domain is presented. In the proposed scheme, the most significant bits in H.264 bitstream are directly extracted to be encrypted, including the codewords of intra-prediction modes, motion vector difference (MVD) and the sign bits of the low frequency DCT coefficients of intra-frames. Experimental results show that the proposed encryption scheme exhibits reliable perceptual security, can secure against not only replacement attacks but also brute-force attacks, and achieves significant computational efficiency. Furthermore, it maintains the format-compliance to the H.264 standard decoder and has no impact on the compression efficiency.
Sponsorship	IEEE
Starting Page	89
Ending Page	94
File Size	432061
Page Count	6
File Format	PDF
ISBN	9781457704710
e-ISBN	9788988678534
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-11-29
Publisher Place	South Korea
Access Restriction	Subscribed
Rights Holder	AICIT
Subject Keyword	Degradation Compressed domain PSNR Streaming media Bit-sensitivity Encryption Discrete cosine transforms Video encryption
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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