The algorithm mentioned is valid and reliable by 3d reconstruction on a pair of actual natural images with weak texture and the standard piece with given precise 3-d coordinates, respectively.
提到的算法是有效和可靠的一对弱纹理和标准件，分别给出精确的3 - D坐标与实际自然图像的三维重建。
At last, we get the contour of all these images segmented and realize 3-d surface reconstruction, which is virtual endoscopy.
最后，用前面分割得到的图像，获取轮廓并得到心脏内部结构的轮廓线，实现三维面重建，即虚拟内窥镜。
The DLT algorithm is widely used in 3-d reconstruction of planar images.
dlt算法是利用平面图象进行三维重构的广泛采用的基本算法。
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