At the same time of improving secrecy, for both the requests of robustness and invisibility, human visual systems are fully considered in order to realize self-adaptability of embedding in the thesis in both DCT and DWT cases.
在加强保密性的同时,为了同时兼顾不可觉察性和鲁棒性,本文还充分考虑了人类视觉系统,做到自适应的嵌入水印,对于DCT和DWT两种情况都做了探索。
参考来源 - 基于混沌的数字水印技术研究·2,447,543篇论文数据，部分数据来源于NoteExpress
But scientists didn't know how biological visual systems estimate blur so well.
然而科学家还没弄清楚生物视觉系统为何能如此精确的估计模糊程度。
Database improvements included adding virtual visual systems for South Korea, Iraq, and Kosovo.
对数据库的改进包括为韩国、伊拉克和科索沃的系统增加了虚拟视觉系统。
On-board VCD is car audio-visual systems, is an important part of the video signal mobile cinema.
车载VCD是汽车视听系统的重要组成部分，是移动影院的视频信号源。
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