在连续帧间隔的几个毫秒内，要从新图像中提取相关信息融合到现有图像中更新视图。
In the milliseconds between successive frames, relevant information from each fresh image must be extracted and fused with the current map to produce an updated version.
方案一，利用ICA技术提取连续帧的静态分量和动态分量，在动态分量上嵌入置乱水印。
The first scheme: In the video domain, ICA is used to extract dynamic component and static component of the consecutive frames, the watermark is embeded into the dynamic one.
图像传感器通常工作在差分模式，且当连续帧间的差异超过阈值时，切换到宽动态范围模式。
The image sensor normally operates in the difference mode and switches to the WDR mode when the difference between consecutive frames is over a threshold.
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