1) spatial parallel lines
空间平行线段族
2) spatial line segment
空间线段
3) parallel segments
平行线段
1.
1)If the length ratio of the two parallel segments is known,then from its projections across n images,a)2(n-1)quadratic constraint equations on camera internal parameters can be obtained;b)(5n-6)constraint equations can be obtained if additionally the epipoles across n images are known,among which 3(n-1)are quadratic,(n-2)third degree,and(n-1)fourth degree.
提出了一种基于空间平行线段的摄像机标定算法和理论。
4) parallel waterline
水线平行段
5) parallel subspace
平行子空间
6) radial parallel search
平行线族搜索
补充资料：平行线等分线段定理推论
经过梯形一腰的中点与底平行的直线，必平分另一腰
经过三角形一边的中点与另一边平行的直线，必平分第三边
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条