全帧鱼眼镜头拍到了地平线上所有东西，包括边缘一圈被灯光照亮的地景，正在脑袋上方的天顶。
The full fisheye frame shows everything above the horizon, including a lamp-illuminated landscape around the edges, and the zenith of the sky directly overhead.
为了展示3d全帧图像，就需要非常高的帧率，所以通常电视须具备240 - Hz的刷新频率。
In order to display a full-frame image in 3-d, you need an extremely high frame rate, so usually the TV must be capable of a 240-hz refresh rate.
说明：视频关键帧提取。全阈值算法找到每个镜头的关键帧并保存。
Video key fr a me extraction. Using threshold algorithm to find key fr a mes in every scene and save them.
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