1. In this paper, we discuss a new method for camera self-calibration based on a plane pattern of equilateral-dodecagon.
基于平面模板摄像机自标定的新算法,利用正六边形的特性,给出了一种精确求解其外接圆圆心的巧妙方法。

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2. Ancient Chinese architecture USES a variety of shapes: the square, rectangle, triangle, hexagon, octagon, dodecagon, cross, circle, and semicircle.
中国古代建筑采用多种不同的外形:正方形、长方形、三角形、六角形、八角形、十二角形、十字形、圆形和半圆形。

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3. Ancient Chinese architecture USES a variety of shapes: the square, rectangle, triangle, hexagon, octagon, dodecagon, cross, circle, and semicircle.
中国古代建筑采用多种不同的外形:正方形、长方形、三角形、六角形、八角形、十二角形、十字形、圆形和半圆形。

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