Hierarchical Shape Matching for Temporally Consistent 3D Video
Hierarchical Shape Matching for Temporally Consistent 3D Video
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DOI：
10.1109/3dimpvt.2011.29
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发表时间：
2011-05
期刊：
影响因子：
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通讯作者：
C. Budd;Peng Huang;A. Hilton
中科院分区：
文献类型：
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作者：
C. Budd;Peng Huang;A. Hilton
在本文中，我们提出了一种新的方法与非刚性表面重建网格序列的时间对齐，以获得一致的表示。我们提出了一个分层的计划，非顺序匹配的帧在整个序列中使用形状相似性。这给出了一个树结构，它代表了序列中每个帧对齐的最佳路径，以使形状变化最小化。非刚性对齐是通过递归遍历树以对齐所有帧来执行的。非顺序对准减少了在先前的顺序帧到帧技术中发生的漂移或跟踪故障的问题。具有挑战性的3D视频序列的比较评估表明，所提出的方法产生了时间上的一致性表示与减少错误的形状和对应关系。
In this paper we present a novel approach for temporal alignment of reconstructed mesh sequences with non-rigid surfaces to obtain a consistent representation. We propose a hierarchical scheme for non-sequential matching of frames across the sequence using shape similarity. This gives a tree structure which represents the optimal path for alignment of each frame in the sequence to minimize the change in shape. Non-rigid alignment is performed by recursively traversing the tree to align all frames. Non-sequential alignment reduces problems of drift or tracking failure which occur in previous sequential frame-to-frame techniques. Comparative evaluation on challenging 3D video sequences demonstrates that the proposed approach produces a temporally coherent representation with reduced error in shape and correspondence.