Co-segmentation of 3D shapes
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Co-segmentation of 3D shapes in the same category is anintensive topic in computer
graphics. In this paper, we present an unsupervised method tosegment a set of
meshes into corresponding parts in a consistent manner. Giventhe over-segmented
patches as input, the co-segmentation result is generated bygrouping them. In
contrast to the previous method, we formulate the problem as amulti-view spectral
clustering task by co-training a set of affinity matricesderived from different shape
descriptors. For each shape descriptor, the affinity matrix isconstructed via combining
low-rankness and sparse representation. The integration ofmultiple features makes
our method tolerate the large geometry and topology variationsamong the 3D meshes
in a set. Moreover, the low-rank and sparse representation cancapture not only the
global structure but also the local relationship, whichdemonstrate robust to outliers.
The experimental results show that our approach successfullysegments each category
in the benchmark dataset into corresponding parts andgenerates more reliable results
compared with the state-of-the-art.
Results
- Co-segmentation of 3D shapes
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