Briar: a constraint-based drawing program
CHI '92 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Inferring constraints from multiple snapshots
ACM Transactions on Graphics (TOG)
Inferring graphical constraints with Rockit
CHI '93 Proceedings of the INTERACT '93 and CHI '93 Conference on Human Factors in Computing Systems
A perceptually-supported sketch editor
UIST '94 Proceedings of the 7th annual ACM symposium on User interface software and technology
Design galleries: a general approach to setting parameters for computer graphics and animation
Proceedings of the 24th annual conference on Computer graphics and interactive techniques
Pegasus: a drawing system for rapid geometric design
CHI 98 Cconference Summary on Human Factors in Computing Systems
Interaction techniques for ambiguity resolution in recognition-based interfaces
UIST '00 Proceedings of the 13th annual ACM symposium on User interface software and technology
A suggestive interface for 3D drawing
Proceedings of the 14th annual ACM symposium on User interface software and technology
Finding Perceptually Closed Paths in Sketches and Drawings
IEEE Transactions on Pattern Analysis and Machine Intelligence
Sketch pad a man-machine graphical communication system
DAC '64 Proceedings of the SHARE design automation workshop
Snap-dragging: interactive geometric design in two and three dimensions
Snap-dragging: interactive geometric design in two and three dimensions
Extending interactive graphical applications with constraints (user interface)
Extending interactive graphical applications with constraints (user interface)
A suggestive interface for image guided 3D sketching
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Perceptually-supported image editing of text and graphics
ACM SIGGRAPH 2004 Papers
Perceptually based learning of shape descriptions for sketch recognition
ACM SIGGRAPH 2006 Courses
Implicit geometric constraint detection in freehand sketches using relative shape histogram
SBIM '07 Proceedings of the 4th Eurographics workshop on Sketch-based interfaces and modeling
Lineogrammer: creating diagrams by drawing
Proceedings of the 21st annual ACM symposium on User interface software and technology
ParSketch: a sketch-based interface for a 2D parametric geometry editor
HCI'07 Proceedings of the 12th international conference on Human-computer interaction: interaction platforms and techniques
Cascading recognizers for ambiguous calligraphic interaction
SBM'04 Proceedings of the First Eurographics conference on Sketch-Based Interfaces and Modeling
Assisted multitouch image-based reconstruction
Proceedings of the Seventh Sketch-Based Interfaces and Modeling Symposium
Towards locally and globally shape-aware reverse 3D modeling
Computer-Aided Design
Using multi-agent systems for constraint-based modeling
Proceedings of the 28th Spring Conference on Computer Graphics
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Beautification of freehand sketches is integral for building robust sketch understanding systems and sketch-based interfaces for CAD. Many of the current methods for beautification do not consider some important information implied in the sketches such as spatial relationships (geometric constraints) between primitives. In addition, as the freehand input is ambiguous in nature, correctly interpreting the visual scene the user has in mind is a difficult problem. To this extent, we present our ongoing work, a suggestive interface for constraint-driven beautification of freehand sketches which provides multiple interpretations of the freehand input, from which the user can choose the intended result. A preliminary user study has been conducted to evaluate the effectiveness of the proposed method.