Title
Meta-representation of shape families
Abstract
We introduce a meta-representation that represents the essence of a family of shapes. The meta-representation learns the configurations of shape parts that are common across the family, and encapsulates this knowledge with a system of geometric distributions that encode relative arrangements of parts. Thus, instead of predefined priors, what characterizes a shape family is directly learned from the set of input shapes. The meta-representation is constructed from a set of co-segmented shapes with known correspondence. It can then be used in several applications where we seek to preserve the identity of the shapes as members of the family. We demonstrate applications of the meta-representation in exploration of shape repositories, where interesting shape configurations can be examined in the set; guided editing, where models can be edited while maintaining their familial traits; and coupled editing, where several shapes can be collectively deformed by directly manipulating the distributions in the meta-representation. We evaluate the efficacy of the proposed representation on a variety of shape collections.
Year
DOI
Venue
2014
10.1145/2601097.2601185
ACM Trans. Graph.
Keywords
Field
DocType
consensus relations,geometric algorithms, languages, and systems,model editing,shape collections
ENCODE,Computer vision,Active shape model,3d shapes,Computer science,Artificial intelligence,Prior probability,Shape analysis (digital geometry)
Journal
Volume
Issue
ISSN
33
4
0730-0301
Citations 
PageRank 
References 
18
0.57
30
Authors
6
Name
Order
Citations
PageRank
Noa Fish11857.31
Melinos Averkiou2373.48
Oliver Matias Van Kaick373227.83
Olga Sorkine44309173.10
Daniel Cohen-Or510588533.55
Niloy J. Mitra63813176.15