Due to the nonlinear of the conversion from the RGB color space to the XYZ color space, we need establish a nonlinear conversion relation.

由于RGB颜色空间向XYZ颜色空间的转换是非线性的，所以需要建立一个非线性的转换关系。

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Based on BP neural network, algorithm transforming CMY to XYZ color space was dis - cussed. Working flow of transforming algorithm was given and algorithm model was established.

对基于BP神经网络的CMY到xyz颜色空间转换算法进行了探讨，给出了算法工作流程并建立了模型。

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