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SAC
2008
ACM
14 years 9 months ago
A constraint hierarchies approach to geometric constraints on sketches
We propose an approach that uses preferences on the constraints in order to deal with over-constrained geometric constraint problems. This approach employs constraint hierarchies,...
Christophe Jermann, Hiroshi Hosobe
CAD
2006
Springer
14 years 9 months ago
Geometric constraints within feature hierarchies
We study the problem of enabling general 2D and 3D variational constraint representation to be used in conjunction with a feature hierarchy representation, where some of the featu...
Meera Sitharam, Jianjun Oung, Yong Zhou, Adam Arbr...
VLC
2008
156views more  VLC 2008»
14 years 9 months ago
An agent-based framework for sketched symbol interpretation
Recognizing hand-sketched symbols is a definitely complex problem. The input drawings are often intrinsically ambiguous, and require context to be interpreted in a correct way. Ma...
Giovanni Casella, Vincenzo Deufemia, Viviana Masca...
VISUALIZATION
1998
IEEE
15 years 1 months ago
Interpolation of triangle hierarchies
We consider interpolation between keyframe hierarchies. We impose a set of weak constraints that allows smooth interpolation between two keyframe hierarchies in an animation or, m...
Axel Friedrich, Konrad Polthier, Markus Schmies
ICPR
2006
IEEE
15 years 10 months ago
Automatic Adjacency Grammar Generation from User Drawn Sketches
In this paper we present an innovative approach to automatically generate adjacency grammars describing graphical symbols. A grammar production is formulated in terms of rulesets ...
Joan Mas Romeu, Bart Lamiroy, Gemma Sánchez...