Automatic construction of curvilinear solids from wireframe views
Computer-Aided Design
Convex decomposition and solid geometric modeling
Convex decomposition and solid geometric modeling
A method for generating volumetric features from surface features
SMA '91 Proceedings of the first ACM symposium on Solid modeling foundations and CAD/CAM applications
Separation for boundary to CSG conversion
ACM Transactions on Graphics (TOG)
A shortest path approach to wireframe to solid model conversion
SMA '95 Proceedings of the third ACM symposium on Solid modeling and applications
Geometric algorithms for recognition of features from solid models
Geometric algorithms for recognition of features from solid models
Approximate symmetry detection for reverse engineering
Proceedings of the sixth ACM symposium on Solid modeling and applications
Reconstruction of feature volumes and feature suppression
Proceedings of the seventh ACM symposium on Solid modeling and applications
Removal of blends from boundary representation models
Proceedings of the seventh ACM symposium on Solid modeling and applications
Automatic recognition of machinable features in solid models
Automatic recognition of machinable features in solid models
Geometric constraints within feature hierarchies
Computer-Aided Design
IBM Journal of Research and Development
A generative theory of shape
Detecting approximate symmetries of discrete point subsets
Computer-Aided Design
Discovering structural regularity in 3D geometry
ACM SIGGRAPH 2008 papers
Detecting design intent in approximate CAD models using symmetry
Computer-Aided Design
Symmetry factored embedding and distance
ACM SIGGRAPH 2010 papers
A comment on 'constructing regularity feature trees for solid models'
GMP'08 Proceedings of the 5th international conference on Advances in geometric modeling and processing
Technical Section: An approach to B-rep model simplification based on region suppression
Computers and Graphics
A feature-based method of rapidly detecting global exact symmetries in CAD models
Computer-Aided Design
Proceedings of the 2013 ACM conference on Pervasive and ubiquitous computing adjunct publication
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Approximate geometric models, e.g. as created by reverse engineering, describe the approximate shape of an object, but do not record the underlying design intent. Automatically inferring geometric aspects of the design intent, represented by feature trees and geometric constraints, enhances the utility of such models for downstream tasks. One approach to design intent detection in such models is to decompose them into regularity features. Geometric regularities such as symmetries may then be sought in each regularity feature, and subsequently be combined into a global, consistent description of the model's geometric design intent. This paper describes a systematic approach for finding such regularity features based on recovering broken symmetries in the model. The output is a tree of regularity features for subsequent use in regularity detection and selection. Experimental results are given to demonstrate the operation and efficiency of the algorithm.