Simulation of multi-solvent stains on textile
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ORIGINAL ARTICLE
Simulation of multi-solvent stains on textile Yi Zheng1,2 · Lei Ma3
· Yanyun Chen1,2 · Guangzheng Fei4 · Bin Sheng5 · Enhua Wu1,2,6
© Springer-Verlag GmbH Germany, part of Springer Nature 2020
Abstract With the recent development of stains simulation on warp-weft style fabric materials, high realistic visual effects of reallife stains can be plausibly simulated effectively. However, the previous method relies on the limited single solvent dyeing assumption, while in the real world, the fabric is often contaminated by different stains simultaneously. To tackle the multistains simulation problem, we propose a novel duel-stage solvents computational model (DSSM-TLM), which essentially extended the triple-layer model (TLM) (Zheng et al. in IEEE Trans Vis Comput Graph 25(7):2471–2481, 2019. https://doi. org/10.1109/TVCG.2018.2832039) into a more general version. We demonstrated that various effects, such as oil-water stain mixing or alcohol-water stain mixing, can be simulated correctly first ever. Moreover, the simulation process of our algorithm is consistent with the real multi-solvent liquid diffusion process on a real fabric surface. Keywords Fabric appearance · Capillary action · Simulation · Texture synthesis · Textile · Multi-solvent stains
1 Introduction Visual imperfections have become part of our visual vocabulary. Along with the history of computer graphics research, correct and effective simulation methods of the surface imperfections such as noise texture Perlin [29], wet material Jensen et al. [18], and weathering process Chen et al. [2] are the key to photo-realism. Among many, staining simulation is a fascinating challenge since its complex process involving liquid–fiber interactions, pigment-fiber interactions, multisolvents interactions, and many other computationally heavy and hard tasks to model the process. For stain simulation on the fabric material, most of the previous research focuses on the simulation of clean fabric
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Lei Ma [email protected] Enhua Wu [email protected]
1
State Key Lab of Computer Science, Institute of Software, Chinese Academy of Sciences, Beijing, China
2
University of Chinese Academy of Sciences, Beijing, China
3
National Engineering Laboratory for Video Technology, Peking University, Beijing, China
4
Communication University of China, Beijing, China
5
Shanghai Jiao Tong University, Shanghai, China
6
University of Macau, Macau, China
material Zhao et al. [38] or surface assumption Morimoto et al. [27]. Recently, Zheng et al. [39] proposed a simple yet effective triple-layer model(TLM) to simulate the true nature of the imperfect staining behavior but limited to a single solvent dyeing effect. In this paper, we propose a novel method for simulating the mixing effects of multiple stains (Fig. 1). We carefully design a duel-stage solvents computational model to emulating the solvents mixing behavior naturally and effectively. The solvent mixture model is then proposed as the basic computation structure for the simulation. With DSSM-TLM, some
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