Machine assessment of shape copying tests using Zernike moment descriptors
SPPRA'06 Proceedings of the 24th IASTED international conference on Signal processing, pattern recognition, and applications
Supporting Generic Sketching-Based Input of Diagrams in a Domain-Specific Visual Language Meta-Tool
ICSE '07 Proceedings of the 29th international conference on Software Engineering
Calligraphic Interfaces: Classifier combination for sketch-based 3D part retrieval
Computers and Graphics
Content-based object movie retrieval and relevance feedbacks
EURASIP Journal on Advances in Signal Processing
An agent-based framework for sketched symbol interpretation
Journal of Visual Languages and Computing
A pen-based tool for efficient labeling of 2D sketches
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
SUMLOW: early design-stage sketching of UML diagrams on an E-whiteboard
Software—Practice & Experience
AMDO '08 Proceedings of the 5th international conference on Articulated Motion and Deformable Objects
Proceedings of the 6th Eurographics Symposium on Sketch-Based Interfaces and Modeling
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Computers and Graphics
A visual approach to sketched symbol recognition
IJCAI'09 Proceedings of the 21st international jont conference on Artifical intelligence
Automated freehand sketch segmentation using radial basis functions
Computer-Aided Design
On-line signature authentication using Zernike moments
BTAS'09 Proceedings of the 3rd IEEE international conference on Biometrics: Theory, applications and systems
A model-based recognition engine for sketched diagrams
Journal of Visual Languages and Computing
Sketch-based 3D model retrieval using diffusion tensor fields of suggestive contours
Proceedings of the international conference on Multimedia
Fuzzy intervals for designing structural signature: an application to graphic symbol recognition
GREC'09 Proceedings of the 8th international conference on Graphics recognition: achievements, challenges, and evolution
SSP: sketching slide presentations, a syntactic approach
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
An approach for on-line signature authentication using Zernike moments
Pattern Recognition Letters
Sketch recognition by fusion of temporal and image-based features
Pattern Recognition
From engineering diagrams to engineering models: Visual recognition and applications
Computer-Aided Design
Reconstruction of concurrent lines from leaning points
IWCIA'11 Proceedings of the 14th international conference on Combinatorial image analysis
Gauss-laguerre keypoints extraction using fast hermite projection method
ICIAR'11 Proceedings of the 8th international conference on Image analysis and recognition - Volume Part I
Technical Section: Neural network-based symbol recognition using a few labeled samples
Computers and Graphics
A few steps towards on-the-fly symbol recognition with relevance feedback
DAS'06 Proceedings of the 7th international conference on Document Analysis Systems
A shape representation scheme for hand-drawn symbol recognition
MIWAI'11 Proceedings of the 5th international conference on Multi-Disciplinary Trends in Artificial Intelligence
Sketched symbol recognition with auto-completion
Pattern Recognition
A projection local image descriptor
Pattern Recognition and Image Analysis
HBF49 feature set: A first unified baseline for online symbol recognition
Pattern Recognition
Spatial recognition and grouping of text and graphics
SBM'04 Proceedings of the First Eurographics conference on Sketch-Based Interfaces and Modeling
An efficient graph-based symbol recognizer
SBM'06 Proceedings of the Third Eurographics conference on Sketch-Based Interfaces and Modeling
Automatic interpretation of proofreading sketches
SBM'06 Proceedings of the Third Eurographics conference on Sketch-Based Interfaces and Modeling
Sketch-based 3D engineering part class browsing and retrieval
SBM'06 Proceedings of the Third Eurographics conference on Sketch-Based Interfaces and Modeling
A data collection tool for sketched diagrams
SBM'08 Proceedings of the Fifth Eurographics conference on Sketch-Based Interfaces and Modeling
Speeding-up the kernel k-means clustering method: A prototype based hybrid approach
Pattern Recognition Letters
Dynamic injection of sketching features into GEF based diagram editors
Proceedings of the 2013 International Conference on Software Engineering
Proceedings of the International Symposium on Sketch-Based Interfaces and Modeling
Structured representations in a content based image retrieval context
Journal of Visual Communication and Image Representation
Spectra of shape contexts: An application to symbol recognition
Pattern Recognition
A new geometric descriptor for symbols with affine deformations
Pattern Recognition Letters
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In this paper, we present an on-line recognition method for hand-sketched symbols. The method is independent of stroke-order, -number, and -direction, as well as invariant to scaling, translation, rotation and reflection of symbols. Zernike moment descriptors are used to represent symbols and three different classification techniques are compared: Support Vector Machines (SVM), Minimum Mean Distance (MMD), and Nearest Neighbor (NN). We have obtained a 97% recognition accuracy rate on a dataset consisting of 7,410 sketched symbols using Zernike moment features and a SVM classifier.