Curvature-Based Segmentation for Sketch Understanding (English)

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Segmentation is known as an important and fundamental task in sketch understanding, by which free hand drawing is processed into primitive geometric units such as line segments, arcs, etc. Usually, two types of information are used in segmentation: drawing speed and curvature. This paper first analyzes the necessity of drawing speed and curvature, then concludes that curvature is better for segmentation, and drawing speed is harmful to later steps in sketch understanding. To provide a fast and robust method for segmentation, we device a window-controlled relative curvature calculation method which is immune to ink noise. Based on the method, our segmentation approach adopts a two-step strategy which shows satisfying experimental results.

  • Title:
    Curvature-Based Segmentation for Sketch Understanding
  • Author / Creator:
  • Published in:
  • Publisher:
    The Eurographics Association
  • Place of publication:
    Postfach 8043, 38621 Goslar, Germany
  • Year of publication:
    2006
  • Size:
    8 pages
  • ISBN:
  • DOI:
  • Type of media:
    Conference paper
  • Type of material:
    Electronic Resource
  • Language:
    English
  • Source:
  • Export:
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Table of contents conference proceedings

The tables of contents are generated automatically and are based on the data records of the individual contributions available in the index of the TIB portal. The display of the Tables of Contents may therefore be incomplete.

13
Physically Based Simulation and Visualization of Fire in Real-Time using the GPU
Rødal, Samuel / Storli, Geir / Gundersen, Odd Erik | 2006
21
Computing Static Electricity on Human Hair
Sobottka, Gerrit / Weber, Andreas | 2006
31
HyperStreamball Visualization for Symmetric Second Order Tensor Fields
Liu, J. / Turner, M. / Hewitt, W. T. / Perrin, J. S. | 2006
39
Smarticles for Sampling and Rendering Implicit Models
Jepp, Pauline / Wyvill, Brian / Sousa, Mario Costa | 2006
47
GraSSML: Smart Schematic Diagrams, XML and Accessibility
Fredj, Z. Ben / Duce, D. A. | 2006
55
Polynomial Approximation of Blinn-Phong Model
Öztürk, Aydin / Bilgili, Ahmet / Kurt, Murat | 2006
63
Perception-based Lighting Design
Ha, Hai Nam / Olivier, Patrick | 2006
71
ATIP: A Tool for 3D Navigation inside a Single Image with Automatic Camera Calibration
Boulanger, Kevin / Bouatouch, Kadi / Pattanaik, Sumanta | 2006
81
Fast Rendering of Complex Dynamic Scenes
Kovalcík, Vit / Sochor, Jiri | 2006
89
State of the Art Non-Photorealistic Rendering (NPR) Techniques
Sayeed, Rezwan / Howard, Toby | 2006
99
Augmented Reality with Multilayer Occlusion
Feng, Yan / Chen, Yimin | 2006
105
Hand Motion Capture and Tracking in 3D Animation
Condell, J. / Moore, G. / Moore, J. | 2006
111
Real-Time Modelling of the Action of Wind on Liquid Surfaces
Bristol, Amanda / Varsamidis, Thomas | 2006
115
Collision Detection for Deformable Objects using Octrees
Madera, F. A. / Day, A. M. / Laycock, S. D. | 2006
123
Automatic Stroke Extraction and Stroke Ordering Based on TrueType Font
Koo, Sang Ok / Jang, Hyun Gyu / Won, Kwang Hee / Jung, Soon Ki | 2006
133
Perceived Rendering Thresholds for High-Fidelity Graphics on Small Screen Devices
Aranha, M. / Debattista, K. / Chalmers, A. / Hill, S. | 2006
141
Out of core Polyhedral Union and its Application to Interactive Shadow Rendering
Fedorkiw, J. / Smith, C. / Ghali, S. | 2006
149
Structured Image Techniques for Efficient High-Fidelity Graphics
Yang, X. / Debattista, K. / Chalmers, A. | 2006
157
Curvature-Based Segmentation for Sketch Understanding
Zheng, Wentao / Liu, Zhiyu / Sun, Zhengxing | 2006
165
A Mixed Reality Anatomy Teaching Tool
Thomas, Rhys G. / John, Nigel W. / Lim, Ik Soo | 2006
171
An Interactive Multiscale Framework for Enhancement and Visualization of 2D & 3D Image Data
Graham, Andrew D. / Turner, Martin J. / Hewitt, Terry | 2006
179
Visualisation of DNA - Does the Soul Have a Picture?
Middleton, M. / Yue, Y. | 2006
187
Visual Analysis of Packing Process for 3D Container
Yue, Y. / Middleton, M. / Liu, J. | 2006
195
Flexible Interaction with Large Point-Based Datasets
Rosiuta, A. / Reina, G. / Ertl, T. | 2006
203
Evolving Body Kinematics for Virtual Characters
Gatzoulis, C. / Tang, W. / Stoddart, W. J. | 2006
211
Expressive and Dynamic Deformation of Animated Computer-Generated Characters
Noble, Paul / Tang, Wen | 2006