...an Coding)来达成可变长度编码(Variable Length Coding),但是使用了新的算术式编码可以更有效地把资料压缩到接近其乱度(Entropy),因此在 H.263 中有一个增强模式(Syntax-based Arithmetic Coding Mode;SAC)是可以使用此种新的编码方式.
基于10个网页-相关网页
讨论了图像置乱的置乱度、置乱周期和鲁棒性。
The scrambling degree, period and robustness were discussed as well.
实验表明，给出的图像置乱度能较好地反映图像的置乱效果。
Experimental result shows that image scramble degree reflects the scramble effect well.
实验结果表明该方法具有较高的安全性，能快速达到预期的置乱度。
Experiments show that our methods have high security and can obtain expected disorder degree quickly.
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