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A Study on the Dynamic Painterly Stroke Generation for 3D Animation

机译:用于3D动画的动态绘画笔触生成的研究

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摘要

We present a technique that provides a frame-to-frame coherence in 3D non-photorealistic animations. It is considered a very important subject for non-photorealistic animations to maintain frame-to-frame coherence so that the resulting frames do not randomly change every frame. We maintain coherence by using 3D particle systems. Each particle means a brush stroke in the resulting image. Since we have located particles on the object's surface, the coherence is maintained when the object or camera is moving in the scene. Of course, the coherence is maintained when camera is zooming in/out. However, the brush strokes on the surface also zoom in/out. This result in too large or too small brush strokes that are not considered hand-crafted brush strokes. Meanwhile, frame-to-frame coherence can be preserved during camera zoom in/out by dynamically managing the number of brush stroke and maintaining its size.
机译:我们提出了一种在3D非真实感动画中提供帧到帧连贯性的技术。对于非照片级逼真的动画,保持帧到帧的连贯性是非常重要的主题,这样,生成的帧不会在每个帧中随机变化。我们通过使用3D粒子系统来保持一致性。每个粒子表示结果图像中的笔触。由于我们已经将粒子放置在对象的表面上,因此当对象或摄影机在场景中移动时,可以保持连贯性。当然,当相机放大/缩小时,可以保持连贯性。但是,表面上的笔触也会放大/缩小。这会导致太大或太小的笔触,这些笔触不属于手工制作的笔触。同时,通过动态管理画笔笔触的数量并保持其大小,可以在相机放大/缩小期间保持帧间一致性。

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