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Real-time information recombination of complex 3D tree model based on visual perception

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Abstract

It is important for the rapid visualization of large scale forest scene to dynamically simplify and recombine model data. In order to preserve the geometric features and visual perception of tree model, this paper presents a real-time information recombination method of complex 3D tree model based on visual perception. This method adopts visual attention model and the visual characteristic of tree structures, and then uses geometry-based and image-based methods to simplify tree models and construct a hybrid representation model. The hybrid representation model reflects the visual perception features of 3D tree models that can embody topological semantics in dynamic simulation. In addition, this method automatically extracts the representation information of 3D tree model based on visual perception, and recombines model information in real time according to the dynamic viewpoint of virtual scene. Finally, this method is applied in the simplification of different tree models, and it is compared with the existing tree model simplification methods. Experimental results show that this method can not only preserve better visual perception for 3D tree models, but also effectively decrease the geometric data of forest scene, and improve the rendering efficiency of forest scene.

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Authors and Affiliations

  1. School of Computer Science and Technology, Zhejiang University of Technology, Hangzhou, 310023, China

    Jing Fan, YunYi Fan, TianYang Dong & Lei Ji

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  1. Jing Fan
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  2. YunYi Fan
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  3. TianYang Dong
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  4. Lei Ji
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Correspondence to TianYang Dong.

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Fan, J., Fan, Y., Dong, T. et al. Real-time information recombination of complex 3D tree model based on visual perception. Sci. China Inf. Sci. 56, 1–14 (2013). https://doi.org/10.1007/s11432-013-4990-7

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  • DOI: https://doi.org/10.1007/s11432-013-4990-7

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