Technical Section: Pencil rendering on 3D meshes using convolution

  • Authors:
  • Yunmi Kwon;Heekyung Yang;Kyungha Min

  • Affiliations:
  • Sangmyung University, Republic of Korea;Sangmyung University, Republic of Korea;Sangmyung University, Republic of Korea

  • Venue:
  • Computers and Graphics
  • Year:
  • 2012

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Abstract

We produce various styles of pencil drawings from a 3D triangular mesh using a new two-phase approach based on convolution. First, we generate the noise particles and integration directions required for convolution on the mesh and project them onto the image space. We then use the improved convolution algorithm to integrate the projected noise along the generated integration directions. This scheme produces pencil drawings in different styles, including feature-conveying, monochrome tone-depicting and smooth color-depicting styles, examples of which are provided in this study. This rendering process is temporally coherent. Therefore, it can be used to create drawing-styled animations.