Alignment signal of phase grating alignment mark and the factors of influece of alignment signal are analysed secondly;
其次分析影响相位光栅对准标记衍射效率的主要因素槽深、占空比和反射率；
From the results of experimentation, the method can make the mark image edge achieve good edge localization and improve the alignment precision.
从实验的结果来看，这种方法能够对对准标记达到很好的边缘定位，提高了对准精度。
Refers to the suture line, the provincial line, fold line and so on the intersection of a short line, in order to imply that the suture is connected, as a mark of line alignment.
指与缝合线、省线、褶线等相交的一条短线，以暗示缝线相连，作为线条对位时用的记号。
Design of the test-cosmetic system is discussed. Application of automatic face alignment is discussed. An affirmatory arithmetic is offered that can mark the place of facial feature when you make up.
对脸部试妆系统的设计和面部特征自动标定算法的实际应用进行了详细地论述，并给出了“特征矫正”时所需特征标准位置的确定算法。
Design of the test-cosmetic system is discussed. Application of automatic face alignment is discussed. An affirmatory arithmetic is offered that can mark the place of facial feature when you make up.
对脸部试妆系统的设计和面部特征自动标定算法的实际应用进行了详细地论述，并给出了“特征矫正”时所需特征标准位置的确定算法。
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