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Optimal 3D Surface Reconstruction from Multiview Photographic Images

机译:来自多视图摄影图像的最佳3D表面重建

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This paper describes a new method for reconstructing 3D surface using a small number, e.g. 10, of 2D photographic images. The images are taken at different viewing directions by a perspective camera with full prior knowledge of the camera configurations. The reconstructed object's surface is represented as a set of triangular facets. We empirically demonstrate that if the viewing directions are uniformly distributed around the object's viewing sphere, then the reconstructed 3D points optimally cluster closely on the highly curved part of the surface and are widely spread on smooth or flat parts. The advantage of this property is that the reconstructed points along a surface or a contour generator are not under sampled or underrepresented because surfaces or contours should be sampled or represented with more densely points where their curvatures are high. The more complex the contour's shape, the greater the number of points is automatically generated by the proposed method. Given that the viewing directions are uniformly distributed, the number and distribution of the reconstructed points depend on the shape or the curvature of the surface regardless of the size of the surface of the object.
机译:本文介绍了一种使用少数重建3D表面的新方法,例如, 10,2D摄影图像。通过透视相机在不同的观看方向上拍摄图像,该相机具有完整的相机配置的完整知识。重建的物体表面表示为一组三角形面。我们经验证明,如果观察方向均匀地分布在物体的观察球周围,则重建的3D点最佳地簇在表面的高弯曲部分上紧密地簇,并且广泛地展开平滑或平坦的部分。该特性的优点在于,沿着表面或轮廓发生器的重建点不在采样或不足之下,因为应该采样表面或轮廓,或者表示它们的曲率高的位置。轮廓形状越复杂,所提出的方法自动生成的点数越大。考虑到观看方向均匀分布,重建点的数量和分布取决于表面的形状或曲率,而不管物体表面的尺寸。

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