Fast parallel thinning algorithms: parallel speed and connectivity preservation
Communications of the ACM
Interactive techniques for implicit modeling
I3D '90 Proceedings of the 1990 symposium on Interactive 3D graphics
An implicit surface polygonizer
Graphics gems IV
Teddy: a sketching interface for 3D freeform design
Proceedings of the 26th annual conference on Computer graphics and interactive techniques
Harold: a world made of drawings
NPAR '00 Proceedings of the 1st international symposium on Non-photorealistic animation and rendering
A Generalization of Algebraic Surface Drawing
ACM Transactions on Graphics (TOG)
Introduction to Implicit Surfaces
Introduction to Implicit Surfaces
Implicit Modelling with Skeleton Curves: Controlled Blending in Contact Situations
SMI '02 Proceedings of the Shape Modeling International 2002 (SMI'02)
SCCG '03 Proceedings of the 19th spring conference on Computer graphics
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
SmoothSketch: 3D free-form shapes from complex sketches
ACM SIGGRAPH 2006 Papers
A Sketch-Based Interface for Clothing Virtual Characters
IEEE Computer Graphics and Applications
SMI '07 Proceedings of the IEEE International Conference on Shape Modeling and Applications 2007
FiberMesh: designing freeform surfaces with 3D curves
ACM SIGGRAPH 2007 papers
Interactive design of botanical trees using freehand sketches and example-based editing
ACM SIGGRAPH 2007 courses
Sketching subdivision surfaces
Proceedings of the 6th Eurographics Symposium on Sketch-Based Interfaces and Modeling
Technical Section: WarpCurves: A tool for explicit manipulation of implicit surfaces
Computers and Graphics
Sketching Variational Hermite-RBF implicits
Proceedings of the Seventh Sketch-Based Interfaces and Modeling Symposium
Sketch-based modeling of vascular systems: a first step towards interactive teaching of anatomy
Proceedings of the Seventh Sketch-Based Interfaces and Modeling Symposium
OverCoat: an implicit canvas for 3D painting
ACM SIGGRAPH 2011 papers
Gesture-based design of 2D contours: an alternative to sketching?
Proceedings of the Eighth Eurographics Symposium on Sketch-Based Interfaces and Modeling
Convolution surfaces based on polygonal curve skeletons
Journal of Symbolic Computation
SMI 2012: Short Sketch based 3D modeling with curvature classification
Computers and Graphics
Just DrawIt: a 3D sketching system
Proceedings of the International Symposium on Sketch-Based Interfaces and Modeling
RigMesh: automatic rigging for part-based shape modeling and deformation
ACM Transactions on Graphics (TOG) - Proceedings of ACM SIGGRAPH Asia 2012
EuroMed'12 Proceedings of the 4th international conference on Progress in Cultural Heritage Preservation
A gradient-based implicit blend
ACM Transactions on Graphics (TOG)
A practical framework for constructing structured drawings
Proceedings of the 19th international conference on Intelligent User Interfaces
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This paper presents Matisse, an interactive modeling system aimed at providing the public with a very easy way to design free-form 3D shapes. The user progressively creates a model by painting 2D regions of arbitrary topology while freely changing the view-point and zoom factor. Each region is converted into a 3D shape, using a variant of implicit modeling that fits convolution surfaces to regions with no need of any optimization step. We use intuitive, automatic ways of inferring the thickness and position in depth of each implicit primitive, enabling the user to concentrate only on shape design. When he or she paints partly on top of an existing primitive, the shapes are blended in a local region around the intersection, avoiding some of the well known unwanted blending artifacts of implicit surfaces. The locality of the blend depends on the size of smallest feature, enabling the user to enhance large, smooth primitives with smaller details without blurring the latter away. As the results show, our system enables any unprepared user to create 3D geometry in a very intuitive way.