zero cross ratio 过零率
Doppelverhaeltnis double cross ratio 双交比
equianharmonic cross ratio [数] 等交比
cross ratio 交比
zero-cross ratio 过零率
cross-ratio invariant 交比不变量
cross-ratio invariability 交比不变性
Real Cross Ratio Lemma 实交比值引理
Single view metrology compute the 3D coordinate of a point based on the projective geometry’s characteristic of cross-ratio invariability.
单视图测量理论主要是利用了射影几何中的交比不变性来计算图像上点的三维坐标。
参考来源 - 基于图像的三维重建技术研究·2,447,543篇论文数据，部分数据来源于NoteExpress
以上来源于: WordNet
A linear camera calibration method with vanishing point and the invariance of cross-ratio is proposed.
在已知一个消隐点的情况下，利用交比不变性及消隐点的知识对摄像机进行标定。
Single view metrology compute the 3d coordinate of a point based on the projective geometry's characteristic of cross-ratio invariability.
单视图测量理论主要是利用了射影几何中的交比不变性来计算图像上点的三维坐标。
Based on invariance of the cross-ratio in projective transformation, this paper designed a gray artificial landmark for vision-based recognition by shape information.
本文以射影变换下的复比不变性为理论基础，设计了一种可基于形状信息进行视觉识别的灰度人工路标。
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