Real time spline curves from interactively sketched data
I3D '90 Proceedings of the 1990 symposium on Interactive 3D graphics
Shape Representation by Multiscale Contour Approximation
IEEE Transactions on Pattern Analysis and Machine Intelligence
Specifying gestures by example
Proceedings of the 18th annual conference on Computer graphics and interactive techniques
Scale-Based Detection of Corners of Planar Curves
IEEE Transactions on Pattern Analysis and Machine Intelligence
SKETCH: an interface for sketching 3D scenes
SIGGRAPH '96 Proceedings of the 23rd annual conference on Computer graphics and interactive techniques
Interactive beautification: a technique for rapid geometric design
Proceedings of the 10th annual ACM symposium on User interface software and technology
Implicit Polynomials, Orthogonal Distance Regression, and the Closest Point on a Curve
IEEE Transactions on Pattern Analysis and Machine Intelligence
Structured Document Image Analysis
Structured Document Image Analysis
Analysis of Engineering Drawings: State of the Art and Challenges
GREC '97 Selected Papers from the Second International Workshop on Graphics Recognition, Algorithms and Systems
LAMPS: A sketch recognition-based teaching tool for Mandarin Phonetic Symbols I
Journal of Visual Languages and Computing
iCanDraw: using sketch recognition and corrective feedback to assist a user in drawing human faces
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Sketched menu: a tabletop-menu technique for GUI object creation
Proceedings of the 2nd ACM SIGCHI symposium on Engineering interactive computing systems
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Freehand sketching is a natural and crucial part of everyday human interaction, yet is almost totally unsupported by current user interfaces. We are working to combine the flexibility and ease of use of paper and pencil with the processing power of a computer, to produce a user interface for design that feels as natural as paper, yet is considerably smarter. One of the most basic steps in accomplishing this is converting the original digitized pen strokes in a sketch into the intended geometric objects. In this paper we describe an implemented system that combines multiple sources of knowledge to provide robust early processing for freehand sketching.