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Resolving occlusion in multiframe reconstruction of deformable surfaces

机译:解决可变形表面的多帧重建中的闭塞

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Occlusion is troublesome for almost all computer vision algorithms. To a certain extent, the difficulty is alleviated when multiple frames are given. On the other hand, when we consider the recovery of shapes of moving deformable objects, observed using a monocular camera, the problem appears difficult again. In this paper, we show a method that outperforms previous approaches to reconstruction when feature data is unavailable, perhaps due to occlusion. Our key intuition is that portions of the surface that are visible in some frame can be reliably reconstructed in that frame; further, the reliable portions can be stitched together to find even missing portions, much the way a human eye would hallucinate. Our techniques are based on optimization in Riemannian shape spaces, and is demonstrated on isometric surfaces without involving any kind of machine learning methods.
机译:对于几乎所有计算机视觉算法,遮挡是麻烦的。 在一定程度上,当给出多个帧时,难度被减轻。 另一方面,当我们考虑使用单眼相机观察到移动可变形物体的形状的恢复时,问题再次困难。 在本文中,我们示出了一种方法,当特征数据不可用时,胜过先前的重建方法,可能是由于遮挡。 我们的关键直觉是在该框架中可以可靠地重建在某些框架中可见的表面的部分; 此外,可靠的部分可以缝合在一起,以找到甚至缺少部分,使人眼会幻觉的方式。 我们的技术基于Riemannian形状空间的优化,并且在等距表面上演示而不涉及任何类型的机器学习方法。

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