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Artistic Low Poly rendering for images

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Abstract

This paper presents an automatic approach for generating low poly rendering of images, which is particularly popular in the recent art design community. Distinguishing from the traditional image triangulation methods for the sake of compression or vectorization, we propose some critical principles of such Low Poly rendering problem, and simulate the artists creation procedures straightforwardly. To produce the visual effects with clear boundaries, we constrain the vertices along the feature edges extracted from the input image. By employing the Voronoi diagram iteration guided by a feature flow field, the vertices in the result image well reflect the feature structure of the local shape. Moreover, with the salient region detection, we can achieve different mesh densities between the front object and the background. Some special color processing techniques are employed to make our result more artistic. Our method works well on a wide variety of images, no matter raster photographs or artificial images. Experiments show that our approach is able to generate satisfying results similar to the artwork created by professional artists.

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Acknowledgments

This research was supported by Grant Nos. 61421062, 61170205, 61232014, 61472010 from National Natural Science Foundation of China. Also was supported by Grant No. 2012AA011503 from The National Key Technology Research and Development Program of China.

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Authors and Affiliations

  1. Beijing Engineering Research Center of Virtual Simulation and Visualization, Peking University, Beijing, China

    Meng Gai & Guoping Wang

  2. State Key Lab of Mathematical Engineering and Advanced Computing, Wuxi, China

    Meng Gai & Guoping Wang

Authors
  1. Meng Gai
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  2. Guoping Wang
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Correspondence to Meng Gai.

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Gai, M., Wang, G. Artistic Low Poly rendering for images. Vis Comput 32, 491–500 (2016). https://doi.org/10.1007/s00371-015-1082-2

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