Pen Stroke Extraction and Refinement using Learned Models (English)

in Sketch Based Interfaces and Modeling ; 73-79
Sketch Based Interfaces and Modeling
The Eurographics Association , Postfach 8043, 38621 Goslar, Germany; 2004

This paper presents a smart interface that automatically extracts and refines pen strokes from images of hand drawn sketches. The interface allows users to digitize hand-drawn material such sketches of flowcharts, cartoons or other pen based drawings and automatically isolate and refine the individual strokes making up the sketch. First, we present a method for extracting pen strokes based on learned constraints on curves. The approach consists of using a training set that shows good examples of curves and how a user would draw them. Given an image of a hand-drawn sketch, the system selects the pen stroke that is most statistically consistent with the examples in the training set and ranks the others based on their likelihood. Users can keep the selected candidate or they may scroll through the other top candidates to select a preferred solution. Second, we present an overview of our refinement procedure and its application on the extracted pen strokes. Using the same database of examples, the extracted pen stroke is refined to make it 'look' more like those in the database.

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Table of contents conference proceedings

The table of contents of the conference proceedings is generated automatically, so it can be incomplete, although all articles are available in the TIB.

9
3D Sketching with Fully Free Form Deformation Features (d-F4) for Aesthetic Design
Cheutet, V. / Catalano, C. E. / Pernot, J. P. / Falcidieno, B. / Giannini, F. / Leon, C. | 2004
19
Process Improvement Impacts on the Styling Workflow of an Industrial Design Company
Barone, Mirko | 2004
27
Sketching in Early Conceptual Phases of Product Design: Guidelines and Tools
Ponn, Josef / Lindemann, Udo / Diehl, Holger / Müller, Franz | 2004
33
A Cameraphone-Based Approach for the Generation of 3D Models from Paper Sketches .
Farrugia, Philip J. / Borg, Jonathan C. / Camilleri, Kenneth P. / Spiteri, Christopher / Bartolo, Alexandra | 2004
43
Pen-to-mime: A Pen-Based Interface for Interactive Control of A Human Figure
Oshita, Masaki | 2004
53
A Multi-Agent System for the Interpretation of Architectural Sketches
Juchmes, Roland / Leclercq, Pierre | 2004
63
Cascading Recognizers for Ambiguous Calligraphic Interaction .
Pereira, João P. / Branco, Vasco A. / Jorge, Joaquim A. / Silva, Nelson F. / Cardoso, Tiago D. / Ferreira, F. Nunes | 2004
73
Pen Stroke Extraction and Refinement using Learned Models
Simhon, Saul / Dudek, Gregory | 2004
81
Adaptation of Brensens Thresholding Algorithm for Sketched Line Drawings
Bartolo, Alexandra / Camilleri, Kenneth P. / Farrugia, Philip J. / Borg, Jonathan C. | 2004
91
Spatial Recognition and Grouping of Text and Graphics
Shilman, Michael / Viola, Paul | 2004
97
On the Evolution of Geometrical Reconstruction as a Core Technology to Sketch-Based Modeling
Company, Pedro / Piquer, Ana / Contero, Manuel | 2004
107
Can Machines Interpret Line Drawings?
Varley, P. A. C. / Suzuki, H. / Martin, R. R. | 2004
117
A Two-Stage Approach for Interpreting Line Drawings of Curved Objects
Varley, P. A. C. / Takahashi, Y. / Mitani, J. / Suzuki, H. | 2004
127
Towards 3DModeling using Sketches and Retrieval
Fonseca, Manuel J. / Ferreira, Alfredo / Jorge, Joaquim A. | 2004
137
From raw 3D-Sketches to exact CAD product models Concept for an assistant-system
Diehl, Holger / Müller, Franz / Lindemann, Udo | 2004
143
A Sketch-Based Interface for Collaborative Design .
Fan, Zhe / Chi, Ma / Kaufman, Arie / Oliveira, Manuel M. | 2004
151
Relief: A Modeling by Drawing Tool
Bourguignon, David / Chaine, Raphaelle / Cani, Marie-Paule / Drettakis, George | 2004
161
Constraint Stroke-Based Oversketching for 3D Curves.
Fleisch, Timo / Rechel, Florian / Santos, Pedro / Stork, André | 2004
167
Epipolar Methods for Multi-View Sketching .
Karpenko, Olga / Hughes, John F. / Raskar, Ramesh | 2004
175
Sketching Garments for Virtual Characters .
Turquin, Emmanuel / Cani, Marie-Paule / Hughes, John F. | 2004

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