Image vectorization using optimized gradient meshes

  • Authors:
  • Jian Sun;Lin Liang;Fang Wen;Heung-Yeung Shum

  • Affiliations:
  • Microsoft Research Asia;Microsoft Research Asia;Microsoft Research Asia;Microsoft Research Asia

  • Venue:
  • ACM SIGGRAPH 2007 papers
  • Year:
  • 2007

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Abstract

Recently, gradient meshes have been introduced as a powerful vector graphics representation to draw multicolored mesh objects with smooth transitions. Using tools from Abode Illustrator and Corel CorelDraw, a user can manually create gradient meshes even for photo-realistic vector arts, which can be further edited, stylized and animated. In this paper, we present an easy-to-use interactive tool, called optimized gradient mesh, to semi-automatically and quickly create gradient meshes from a raster image. We obtain the optimized gradient mesh by formulating an energy minimization problem. The user can also interactively specify a few vector lines to guide the mesh generation. The resulting optimized gradient mesh is an editable and scalable mesh that otherwise would have taken many hours for a user to manually create.