Specifying gestures by example
Proceedings of the 18th annual conference on Computer graphics and interactive techniques
Recognizing multistroke geometric shapes: an experimental evaluation
UIST '93 Proceedings of the 6th annual ACM symposium on User interface software and technology
Recognizing and interpreting diagrams in design
AVI '94 Proceedings of the workshop on Advanced visual interfaces
SATIN: a toolkit for informal ink-based applications
UIST '00 Proceedings of the 13th annual ACM symposium on User interface software and technology
Perceptual Organization as a Foundation for Graphics Recognition
GREC '01 Selected Papers from the Fourth International Workshop on Graphics Recognition Algorithms and Applications
Pen and speech recognition in the user interface for mobile multimedia terminals
Pen and speech recognition in the user interface for mobile multimedia terminals
Hierarchical parsing and recognition of hand-sketched diagrams
Proceedings of the 17th annual ACM symposium on User interface software and technology
SketchREAD: a multi-domain sketch recognition engine
Proceedings of the 17th annual ACM symposium on User interface software and technology
HMM-based efficient sketch recognition
Proceedings of the 10th international conference on Intelligent user interfaces
An image-based, trainable symbol recognizer for hand-drawn sketches
Computers and Graphics
ACM SIGGRAPH 2007 courses
Multi-domain sketch understanding
ACM SIGGRAPH 2007 courses
ACM SIGGRAPH 2007 courses
An efficient graph-based recognizer for hand-drawn symbols
Computers and Graphics
An agent-based framework for sketched symbol interpretation
Journal of Visual Languages and Computing
Sketching reality: Realistic interpretation of architectural designs
ACM Transactions on Graphics (TOG)
Analyzing the kinematics of bivariate pointing
GI '08 Proceedings of graphics interface 2008
A pen-based tool for efficient labeling of 2D sketches
SBIM '07 Proceedings of the 4th Eurographics workshop on Sketch-based interfaces and modeling
Kirchhoff's Pen: a pen-based circuit analysis tutor
SBIM '07 Proceedings of the 4th Eurographics workshop on Sketch-based interfaces and modeling
Designing a sketch recognition front-end: user perception of interface elements
SBIM '07 Proceedings of the 4th Eurographics workshop on Sketch-based interfaces and modeling
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
Newton's Pen: A pen-based tutoring system for statics
Computers and Graphics
Hand Drawn Symbol Recognition by Blurred Shape Model Descriptor and a Multiclass Classifier
Graphics Recognition. Recent Advances and New Opportunities
Structuring and manipulating hand-drawn concept maps
Proceedings of the 14th international conference on Intelligent user interfaces
Computational Support for Sketching in Design: A Review
Foundations and Trends in Human-Computer Interaction
Recognition of hand drawn chemical diagrams
AAAI'07 Proceedings of the 22nd national conference on Artificial intelligence - Volume 1
Using entropy to distinguish shape versus text in hand-drawn diagrams
IJCAI'09 Proceedings of the 21st international jont conference on Artifical intelligence
Automated freehand sketch segmentation using radial basis functions
Computer-Aided Design
Human perception in segmentation of sketches
GREC'09 Proceedings of the 8th international conference on Graphics recognition: achievements, challenges, and evolution
QuickDiagram: a system for online sketching and understanding of diagrams
GREC'09 Proceedings of the 8th international conference on Graphics recognition: achievements, challenges, and evolution
Feature extraction and classifier combination for image-based sketch recognition
Proceedings of the Seventh Sketch-Based Interfaces and Modeling Symposium
Sketch recognition by fusion of temporal and image-based features
Pattern Recognition
ChemInk: a natural real-time recognition system for chemical drawings
Proceedings of the 16th international conference on Intelligent user interfaces
From engineering diagrams to engineering models: Visual recognition and applications
Computer-Aided Design
Technical Section: SpeedSeg: A technique for segmenting pen strokes using pen speed
Computers and Graphics
Reconstruction of concurrent lines from leaning points
IWCIA'11 Proceedings of the 14th international conference on Combinatorial image analysis
Proceedings of the Eighth Eurographics Symposium on Sketch-Based Interfaces and Modeling
Technical Section: Neural network-based symbol recognition using a few labeled samples
Computers and Graphics
Understanding, Manipulating and Searching Hand-Drawn Concept Maps
ACM Transactions on Intelligent Systems and Technology (TIST)
Freely-drawn sketches interpretation using SVMs-chain modeling
Engineering Applications of Artificial Intelligence
Newtons Pen II: an intelligent, sketch-based tutoring system and its sketch processing techniques
Proceedings of the International Symposium on Sketch-Based Interfaces and Modeling
I don't believe my eyes!: geometric sketch recognition for a computer art tutorial
Proceedings of the International Symposium on Sketch-Based Interfaces and Modeling
HBF49 feature set: A first unified baseline for online symbol recognition
Pattern Recognition
An efficient graph-based symbol recognizer
SBM'06 Proceedings of the Third Eurographics conference on Sketch-Based Interfaces and Modeling
Supervised machine learning for grouping sketch diagram strokes
Proceedings of the International Symposium on Sketch-Based Interfaces and Modeling
User perceptions of drawing logic diagrams with pen-centric user interfaces
Proceedings of Graphics Interface 2013
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One main challenge in building interpreters for hand-drawn sketches is the task of parsing a sketch to locate the individual symbols. Many existing pen-based systems avoid this problem by requiring the user to explicitly indicate the partitioning of the sketch with button clicks or pauses in drawing. We have created a parser that automatically locates symbols by looking for areas of high ink density, and for points at which the characteristics of the pen strokes change. To demonstrate our techniques, we have developed AC-SPARC, a sketch-based interface for the SPICE electric circuit analysis program. An evaluation of our interface has indicated that, even for novice users, our system can successfully locate and identify most of the circuit components in hand-drawn circuit diagrams.