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Proceedings of the 26th annual conference on Computer graphics and interactive techniques
Teddy: a sketching interface for 3D freeform design
Proceedings of the 26th annual conference on Computer graphics and interactive techniques
Feature sensitive surface extraction from volume data
Proceedings of the 28th annual conference on Computer graphics and interactive techniques
Reconstruction and representation of 3D objects with radial basis functions
Proceedings of the 28th annual conference on Computer graphics and interactive techniques
A suggestive interface for 3D drawing
Proceedings of the 14th annual ACM symposium on User interface software and technology
Introduction to Implicit Surfaces
Introduction to Implicit Surfaces
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ACM Transactions on Graphics (TOG)
Smooth meshes for sketch-based freeform modeling
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Interactive modelling from sketches using spherical implicit functions
AFRIGRAPH '04 Proceedings of the 3rd international conference on Computer graphics, virtual reality, visualisation and interaction in Africa
Sketch-based modeling with few strokes
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Interactive Implicit Modeling with Hierarchical Spatial Caching
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A sketching interface for modeling the internal structures of 3D shapes
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Towards 3D modeling using sketches and retrieval
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Life-sketch: a framework for sketch-based modelling and animation of 3D objects
AUIC '10 Proceedings of the Eleventh Australasian Conference on User Interface - Volume 106
Sketching Variational Hermite-RBF implicits
Proceedings of the Seventh Sketch-Based Interfaces and Modeling Symposium
Sketch-based modeling of smooth surfaces using adaptive curve networks
Proceedings of the Eighth Eurographics Symposium on Sketch-Based Interfaces and Modeling
Style nodes and repolygonization for hierarchical tree-based implicit surface modelling
Computational Aesthetics'09 Proceedings of the Fifth Eurographics conference on Computational Aesthetics in Graphics, Visualization and Imaging
Technical Section: Sketch-based surface design using malleable curve networks
Computers and Graphics
AUIC '11 Proceedings of the Twelfth Australasian User Interface Conference - Volume 117
Surface patches for 3D sketching
Proceedings of the International Symposium on Sketch-Based Interfaces and Modeling
CAD/Graphics 2013: Sketch2Jewelry: Semantic feature modeling for sketch-based jewelry design
Computers and Graphics
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Various systems have explored the idea of inferring 3D models from sketched 2D outlines. In all of these systems the underlying modeling methodology limits the complexity of models that can be created interactively. The ShapeShop sketch-based modeling system utilizes Hierarchical Implicit Volume Models (BlobTrees) as an underlying shape representation. The BlobTree framework supports interactive creation of complex, detailed solid models with arbitrary topology. A new technique is described for inflating 2D contours into rounded three-dimensional implicit volumes. Sketch-based modeling operations are defined that combine these basic shapes using standard blending and CSG operators. Since the underlying volume hierarchy is by definition a construction history, individual sketched components can be non-linearly edited and removed. For example, holes can be interactively dragged through a shape. ShapeShop also provides 2D drawing assistance using a new curve-sketching system based on variational contours. A wide range of models can be sketched with ShapeShop, from cartoon-like characters to detailed mechanical parts. Examples are shown which demonstrate significantly higher model complexity than existing systems.