中国图象图形学报A
中國圖象圖形學報A
중국도상도형학보A
JOURNAL OF IMAGE AND GRAPHICS
2010年
1期
1-6
,共6页
安全编码%视频加密%基于上下文的自适应二进制算术安全编码%基于上下文的自适应变长安全编码
安全編碼%視頻加密%基于上下文的自適應二進製算術安全編碼%基于上下文的自適應變長安全編碼
안전편마%시빈가밀%기우상하문적자괄응이진제산술안전편마%기우상하문적자괄응변장안전편마
secure coding%video encryption%context-based adaptive binary arithmetic secure coding(CABASC)%contextbased adaptive variable length secure coding(CAVLSC)
对于视频压缩领域,基于上下文的自适应编码(CAC)是一类新出现的高效熵编码方法.为了对数字视频进行实时安全编码,提出了一种基于CAC的数字视频安全编码方案,并首先建立了以CAC安全编码器为核心的安全编码链,然后给出了基于上下文的自适应二进制算术安全编码(CABASC)和基于上下文的自适应变长安全编码(CAVLSC)两种安全编码操作.实验结果表明,该方案具有较好的安全性、实时性和软件易实现性,可作为进一步研究CAC安全编码的基础.
對于視頻壓縮領域,基于上下文的自適應編碼(CAC)是一類新齣現的高效熵編碼方法.為瞭對數字視頻進行實時安全編碼,提齣瞭一種基于CAC的數字視頻安全編碼方案,併首先建立瞭以CAC安全編碼器為覈心的安全編碼鏈,然後給齣瞭基于上下文的自適應二進製算術安全編碼(CABASC)和基于上下文的自適應變長安全編碼(CAVLSC)兩種安全編碼操作.實驗結果錶明,該方案具有較好的安全性、實時性和軟件易實現性,可作為進一步研究CAC安全編碼的基礎.
대우시빈압축영역,기우상하문적자괄응편마(CAC)시일류신출현적고효적편마방법.위료대수자시빈진행실시안전편마,제출료일충기우CAC적수자시빈안전편마방안,병수선건립료이CAC안전편마기위핵심적안전편마련,연후급출료기우상하문적자괄응이진제산술안전편마(CABASC)화기우상하문적자괄응변장안전편마(CAVLSC)량충안전편마조작.실험결과표명,해방안구유교호적안전성、실시성화연건역실현성,가작위진일보연구CAC안전편마적기출.
Context-based adaptive coding (CAC) is a class of new high-efficient entropy coding techniques for video compression.In this paper,a CAC-based scheme is presented to achieve realtime secure coding for digital video,and a secure coding chain is built based on CAC secure coder.Two kinds of secure coding operations,including context-based adaptive binary arithmetic secure coding (CABASC) and context-based adaptive variable length secure coding (CAVLSC) ,are given.The experimental results show that this scheme has significant improvement on security,real-time performance and flexibility of software implementation.These properties make it a sound foundation for further research on CAC secure coding.
