Second,a new algorithm for recognizing polyhedrons from a perspective line drawing based on principle of homograph is presented.
据此提出了基于类似形原理从单幅透视投影线图识别平面立体的新方法。
参考来源 - 基于类似形原理从单幅透视图识别平面立体 in C·2,447,543篇论文数据，部分数据来源于NoteExpress
基于类似形的定义给出了在透视投影下平面多边形为类似形的识别算法。
A new algorithm is presented for recognizing planar objects from a line drawing under axonometric and perspective projections based on principle of homograph.
类似于假日或幻日，近幻月是月光透过高空卷云中的六角形的薄冰晶而形成的。
Analogous to a sundog or parhelion, the paraselene is produced by moonlight shining through thin, hexagonal-shaped ice crystals in high cirrus clouds.
类似地，州和国家边界可以用多边形表示。
Similarly, state and county boundaries can be represented with polygons.
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