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YPbPr
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一种模拟复合视频信号，可将电视信号的标准红/绿/蓝 (RGB) 颜色分解并压缩为单独的亮度和颜色值。&quot;Y&quot; 代表亮度通道，而 &quot;Pb&quot; 和 &quot;Pr&quot; 分别代表蓝色通道和红色通道，它们的亮度值是相减而得的。该信号与用于数字视频基于色度的 YcbCr 的颜色空间相同。
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