NDLI: Feature-preserving mesh denoising via attenuated bilateral normal filtering and quadrics

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Feature-preserving mesh denoising via attenuated bilateral normal filtering and quadrics

Content Provider	ACM Digital Library
Author	Ferko, Andrej Nociar, Michal
Abstract	In this paper, we propose a two phase feature-preserving mesh denoising algorithm. The first phase consists of modified bilateral filtering applied on field of face normals. The range filtering is affected by gradual attenuation of the standard deviation of normal differences along with subsequent iteration. We also provide a method for automatic estimation of the bilateral filter parameters without user interaction. Filtering process is followed by reconstruction of the mesh vertex positions from a given field of face normals. Our method is based on geometric fact that every vertex should lie within all tangent planes that locally support one of its neighbouring triangles. We use quadrics to encode squared distances to the planes defined by filtered normals and centroids of the faces from 1-ring neighbourhood of considered vertex. New vertex positions are identified by minimizing quadric error metric. Our tests have shown that this iteration scheme converges faster than gradient descent algorithm. Sharp features are well preserved which will be documented on several CAD-like models.
Starting Page	149
Ending Page	156
Page Count	8
File Format	PDF
ISBN	9781450305587
DOI	10.1145/1925059.1925086
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2010-05-13
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Mesh denoising Mesh simplification Quadric error metric Bilateral filtering
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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