The qualities of a shadow depend on the light direction and intensity, as well as the distance between the object and the surface where the shadow is cast.
阴影深度取决于光照方向和强度，以及物体和投影面的距离。
Introduced lights and darks according to the light direction.
根据灯光方向来设定亮部与暗部。
The experimental results show that the algorithm is effective for the 3d reconstruction of the coarse surface with unknown light direction.
该算法对于未知光源方向的粗糙表面的3维重建具有较大的理论价值和实用价值。
This paper investigates an optical reorientation process of azo dye doped liquid crystals and explains the dependence of the enhancement factor on the incident light direction.
研究了发生在偶氮染料掺杂液晶中的光诱导重新取向问题，并解释增强因子与光入射方向存在依赖关系的物理机制。
This paper investigates an optical reorientation process of azo dye doped liquid crystals and explains the dependence of the enhancement factor on the incident light direction.
研究了发生在偶氮染料掺杂液晶中的光诱导重新取向问题，并解释增强因子与光入射方向存在依赖关系的物理机制。
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