Initially, the selecting of source image of the color night vision system was done by manual work which took quite a long time with poor accuracy and restricted the automation efficiency.

而最初，夜视图像彩色化对源图的选择过程是根据夜视图像的特点依靠人工选择完成的，耗时颇多且难以准确，制约了系统的自动化程度。

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Initially, the selecting of source image of the color night vision system was done by manual work which took quite a long time with poor accuracy and restricted the automation efficiency.

而最初，夜视图像彩色化对源图的选择过程是根据夜视图像的特点依靠人工选择完成的，耗时颇多且难以准确，制约了系统的自动化程度。

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