两两正交 meaning in English

pairwise orthogonal

The algorithm of camera ' s self - calibration is always a important research domain . in this paper by taking advantage of parallel lines and orthogonal lines in architecture as usual , we can calculate the absolute conic image and vanishing points
摄像机自标定的线性算法一直是计算机视觉领域的研究热点，本文利用场景中的两两正交三条直线，计算直线的消失点，进而线性计算绝对二次曲线的像。