Virtual hairy brush for painterly rendering

  • Authors:
  • Songhua Xu;Min Tang;Francis C. M. Lau;Yunhe Pan

  • Affiliations:
  • CAD & CG State Key Lab of China, Zhejiang University, Hangzhou, PR China and Department of Computer Science and Information Systems, The University of Hong Kong, Hong Kong;CAD & CG State Key Lab of China, Zhejiang University, Hangzhou, PR China;Department of Computer Science and Information Systems, The University of Hong Kong, Hong Kong;CAD & CG State Key Lab of China, Zhejiang University, Hangzhou, PR China

  • Venue:
  • Graphical Models
  • Year:
  • 2004

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Abstract

We propose a novel "e-brush" for calligraphy and painting, which meets all the criteria for a good e-brush. We use only four attributes to capture the essential features of the brush, and a suitably powerful modeling metaphor for its behavior. The e-brush's geometry, dynamic motions, and pigment changes are all dealt with in a single model. A single model simplifies the synchronization between the various system modules, thus giving rise to a more stable system, and lower costs. By a careful tradeoff between the complexity of the model and computation efficiency, more elaborate simulation of the e-brush's deformation and its recovery for interactive painterly rendering is made possible. We also propose a novel paper-ink model to complement the brush's model, and a machine intelligence module to empower the user to easily create beautiful calligraphy and painting. Despite the complexity of the modeling behind the scene, the high-level user interface has a simplistic and friendly design. The final results created by our e-brush can rival the real artwork.