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Animating chinese ink painting through generating reproducible brush strokes

Science China(Information Sciences) 2013年第1期56卷 42-54页

作者： YANG LiJie XU TianChen Faculty of Science and Technology University of Macau

By generating reproducible brush strokes of chinese ink painting,we propose an image-based tool for lively displaying real painting process of chinese ink *** with previous work where the brush trajectory is explicitly specified as manual input,we automatically extract this trajectory from the outlines of the shapes to paint and model the brush footprints;first complex shape of an input image is decomposed into brush ***,we estimate the brush trajectory with shape outline and build a brush footprint model to measure the quality of the trajectory constrained by the variation along a stroke of the painting process parameters,such as location,size,and orientation of the ***,with our real-time rendering model,the estimated trajectories are dynamically rendered into brush strokes by mapping footprint textures sampled from the input *** is particularly useful for analysis and appreciation of chinese ink painting,as well as for art practice and education.

关键词： brush trajectory non-photorealistic rendering real-time rendering chinese ink painting

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GPU-based 3D model rendering of chinese ink painting

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Computer Aided Drafting,Design and Manufacturing 2017年第1期27卷 1-6页

作者： Deng Siyu Che Xiangjiu College of Computer Science and Technology Jilin University

In computer graphics, non-photorealistic rendering(NPR) is an important branch. NPR technology is to achieve a variety of artistic effects through the computer, such as oil painting, cartoon, watercolor and other effects. The purpose of this paper is to automatically convert the 3D model into two-dimensional chinese ink painting effect on graphics processing unit(GPU), and has improved the traditional algorithm that has some lacks of rendering effect. The algorithm is divided into two major steps: contour line rendering, and interior rendering. For contour line rendering, on the basis of the traditional extraction of contours, this paper adds self-bold, particle diffusion and other steps. For interior rendering, on the basis of the traditional layered rendering of diffuse lighting, two methods are added. The first method is based on the mean filtering, and the filter kernel is stratified by the principle of percentage-closer soft shadows(PCSS). The second method is Noise texture mapping, to obtain an ink diffusion effect.

关键词： non-photorealistic rendering chinese ink painting contour line

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