Detail-generating geometry completion for point-sampled geometry |
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Authors: | Ren-fang Wang Yun-peng Liu De-chao Sun Hui-xia Xu Ji-fang Li |
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Affiliation: | 1. College of Computer Science and Information Technology, Zhejiang Wanli University, Ningbo, 315100, China
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Abstract: | In this paper, we present a novel method for detail-generating geometry completion over point-sampled geometry. The main idea consists of converting the context-based geometry completion into the detail-based texture completion on the surface. According to the influence region of boundary points surrounding a hole, a smooth patch covering the hole is first constructed using radial base functions. By applying region-growing clustering to the patch, the patching units for further completion with geometry details is then produced, and using the trilateral filtering operator formulated by us, the geometry-detail texture of each sample point on the input geometry is determined. The geometry details on the smooth completed patch are finally generated by optimizing a constrained global texture energy function on the point-sampled surfaces. Experimental results demonstrate that the method can achieve efficient completed patches that not only conform with their boundaries, but also contain the plausible 3D surface details. |
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