Compilers: principles, techniques, and tools
Compilers: principles, techniques, and tools
Interactive beautification: a technique for rapid geometric design
Proceedings of the 10th annual ACM symposium on User interface software and technology
Direct Least Square Fitting of Ellipses
IEEE Transactions on Pattern Analysis and Machine Intelligence
Recognition of freehand sketches using mean shift
Proceedings of the 8th international conference on Intelligent user interfaces
Finding Perceptually Closed Paths in Sketches and Drawings
IEEE Transactions on Pattern Analysis and Machine Intelligence
VL '00 Proceedings of the 2000 IEEE International Symposium on Visual Languages (VL'00)
Robust sketched symbol fragmentation using templates
Proceedings of the 9th international conference on Intelligent user interfaces
Sketch based interfaces: early processing for sketch understanding
Proceedings of the 2001 workshop on Perceptive user interfaces
A Parsing Technique for Sketch Recognition Systems
VLHCC '04 Proceedings of the 2004 IEEE Symposium on Visual Languages - Human Centric Computing
Technical Section: SpeedSeg: A technique for segmenting pen strokes using pen speed
Computers and Graphics
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In this paper, we address the problem of ink parsing, which tries to identify distinct symbols from a stream of pen strokes. An important task of this process is the segmentation of the users' pen strokes into salient fragments based on geometric features. This process allows users to create a sketch symbol varying the number of pen strokes, obtaining a more natural drawing environment. The proposed sketch recognition technique is an extension of LR parsing techniques, and includes ink segmentation and context disambiguation. During the parsing process, the strokes are incrementally segmented by using a dynamic programming algorithm. The segmentation process is based on templates specified in the productions of the grammar specification from which the parser is automatically constructed.