提出了一种将感知编组应用于平行四边形提取的算法。
This paper proposes a parallelogram extraction algorithm applying perceptual organization.
首先通过对建筑物边缘进行折线逼近和感知编组，可以得到其顶部大体结构。
We arrange the line segments of (building's) edges to reconstruct the structure of the building roof by means of line closing and perceptual organization method first.
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