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shurushuchushijian
- 蓝幕技术是通过在同一色彩的背景上拍摄物体,通过背景色彩特殊的色调信息加以区分前景和背景,从而达到自动去除背景保留前景的目的。-Blue screen technology is by shooting the same color of the background object, to distinguish between foreground and background information by the special tone color of the background to