Method and apparatus for 3D mesh de-noising

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United States of America Patent

PATENT NO 9792728
APP PUB NO 20150221131A1
SERIAL NO

14420426

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Abstract

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Disclosed are a method and apparatus for processing a 3D model. To preserve fine structures while de-noising a 3D mesh model, the local structural information around a vertex is captured when designing a de-noising filter. In particular, for a current vertex to be processed, a path, for example, a geodesic path, is determined between the current vertex and each neighboring vertex. For each mesh edge along the path, local variations are calculated for the two end vertices of the mesh edge using a covariance matrix, and a geometric variation for the mesh edge is calculated as the difference between the two local variations. Then structural information for the region between the current vertex and a neighboring vertex is calculated as a function of the geometric variations for mesh edges along the path, for example, as the maximum geometric variation along the path. The present principles can also be adjusted to be used in de-noising 3D point-based models.

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Patent Owner(s)

Patent OwnerAddress
INTERDIGITAL VC HOLDINGS INC200 BELLEVUE PARKWAY SUITE 300 WILMINGTON DE 19809

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Jiang, Wenfei Beijing, CN 32 271
Luo, Tao Beijing, CN 5517 35959
Tian, Jiang Beijing, CN 27 195

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