Paper Info
Title
Over the real-time selective encryption of AVS video coding standard
Abstract
Audio Video Coding Standard (AVS) is the emerging video standard in which 2-dimensional context adaptive variable length coding (C2DVLC) is used. The main difference between context adaptive variable length coding (CAVLC) of H.264/AVC and C2DVLC of AVS from selective encryption point of view is that C2DVLC codewords are not contiguous and do not use the full code-space. In this case, C2DVLC codewords can be assigned indices and are encrypted. This scheme works fine if codewords are encrypted separately. But when we make a plaintext by encryptable bits of codewords, the encrypted codewords may not be valid codewords because C2DVLC encryptable bits do not use a full code-space. In this paper, we will present two schemes to overcome this limitation for real-time implementation of C2DVLC codewords. Both of the algorithms are a compromise between the processing power and security of realtime selective encryption.
Year
Venue
Keywords
2010
Aalborg
data compression,variable length codes,video codecs,video coding,2-dimensional context adaptive variable length coding,avs video coding standard,c2dvlc codeword,cavlc,h.264/avc,audio video coding standard,code-space,encryptable bit,real-time selective encryption,encoding,indexes,encryption
Field
DocType
ISSN
Coding tree unit,Context-adaptive variable-length coding,Computer science,Multiview Video Coding,Algorithm,Coding (social sciences),Theoretical computer science,Encryption,Data compression,Plaintext,Context-adaptive binary arithmetic coding
Conference
2219-5491
Citations 
PageRank 
References 
0
0.34
13
Authors
3
Name
Order
Citations
PageRank
Zafar Shahid115410.42
M. Chaumont2945.79
William Puech353576.74